Vertiv NetSure NSFP200 User manual

NetSure™
200 A Distribution Fuse Panel Assembly
Installation and User Manual (UM563317), Revision B
Specification Number: 563317
Model Number: NSFP200

Vertiv |200 A Distribution Fuse Panel Assembly Installation & User Manual (UM563317)|Rev. B
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The information contained in this document is subject to change without
notice and may not be suitable for all applications. While every precaution
has been taken to ensure the accuracy and completeness of this
document, Vertiv Group Corporation assumes no responsibility and
disclaims all liability for damages resulting from use of this information or
for any errors or omissions. Refer to other local practices or building codes
as applicable for the correct methods, tools, and materials to be used in
performing procedures not specifically described in this document.
This document may contain confidential and/or proprietary information of
Vertiv Group Corporation, and its receipt or possession does not convey
any right to reproduce, disclose its contents, or to manufacture or sell
anything that it may describe. Reproduction, disclosure, or use without
specific authorization from Vertiv Group Corporation is strictly prohibited.
Names of companies and products are trademarks or registered
trademarks of the respective companies. Any questions regarding usage
of trademark names should be directed to the original manufacturer.
© 2017 Vertiv Energy Systems, Inc. All rights reserved. Vertiv and the
Vertiv logo are trademarks or registered trademarks of Vertiv Group
Corporation. NetPerform™, NetReach™, NetSure™ and NetXtend™ are
trademarks of Vertiv Energy Systems, Inc. All other trademarks are the
property of their respective owners.

Vertiv |200 A Distribution Fuse Panel Assembly Installation & User Manual (UM563317)|Rev. B
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TABLE OF CONTENTS
Admonishments Used in this Document............................................................4
Important Safety Instructions ..............................................................................5
General Safety ...........................................................................................................................................................5
Voltages...........................................................................................................................................................................5
DC Input, DC Output, and Battery Voltages .......................................................................................5
Battery ...............................................................................................................................................................................5
Handling Equipment Containing Static Sensitive Components............................. 6
Maintenance and Replacement Procedures.............................................................................. 6
Static Warning...........................................................................................................6
Description.................................................................................................................7
Specifications............................................................................................................7
Electrical..........................................................................................................................................................................7
Environmental........................................................................................................................................................... 8
Compliance Information.................................................................................................................................. 8
Dimensions and Weight..................................................................................................................................9
Accessories..............................................................................................................10
Load Distribution Fuses................................................................................................................................10
Lugs ...................................................................................................................................................................................11
Installing the Distribution Fuse Panel............................................................... 12
Securing the Distribution Fuse Panel to a Relay Rack or a Cabinet
Equipment Rack ................................................................................................................................................... 12
Installing Load Distribution Fuses ......................................................................................................13
Making Electrical Connections...........................................................................14
Important Safety Instructions .................................................................................................................14
Wiring Considerations.....................................................................................................................................14
Relay Rack / Cabinet Frame Grounding Connection.......................................................14
Distribution Fuse Panel Frame Grounding Connection................................................14
External Alarm Connections..................................................................................................................... 15
Load Distribution Wiring .............................................................................................................................. 17
Input Wiring...............................................................................................................................................................19
Initial Startup.......................................................................................................... 20
Operation................................................................................................................. 20
Local Indicators....................................................................................................................................................20
Troubleshooting and Repair................................................................................ 21
Contact Information.......................................................................................................................................... 21
Replacement Procedures............................................................................................................................ 21
Replacing a Distribution Fuse.........................................................................................................................21
Replacing the Alarm Card..................................................................................................................................21

Vertiv |200 A Distribution Fuse Panel Assembly Installation & User Manual (UM563317)|Rev. B
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ADMONISHMENTS USED IN THIS DOCUMENT
DANGER
! Warns of a hazard the reader will be exposed to that will likely result
in death or serious injury if not avoided. (ANSI, OSHA)
WARNING
! Warns of a potential hazard the reader may be exposed to that could
result in
death or serious injury if not avoided. This admonition is not used for situations that pose a
risk only to equipment, software, data, or service. (ANSI)
CAUTION
! Warns of a potential hazard the reader may be exposed to that could
result in minor or moderate injury if not avoided. (ANSI, OSHA) This admonition is not
us
ed for situations that pose a risk only to equipment, data, or service, even if such use
appears to be permitted in some of the applicable standards. (OSHA)
ALERT
! Alerts the reader to an action that must be avoided in order to protect
equipment, software, data, or service. (ISO)
ALERT
! Alerts the reader to an action that must be performed in order to prevent
equipment damage, software corruption, data loss, or service interruption. (ISO)
FIRE SAFETY
! Informs the reader of fire safety information, reminders, precautions,
or policies, or of the locations of fire
-fighting and fire-safety equipment. (ISO)
SAFETY
! Informs the reader of general safety information, reminders, precautions, or
policies not related
to a particular source of hazard or to fire safety. (ISO, ANSI, OSHA)

Vertiv |200 A Distribution Fuse Panel Assembly Installation & User Manual (UM563317)|Rev. B
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IMPORTANT SAFETY INSTRUCTIONS
General Safety
DANGER! YOU MUST FOLLOW APPROVED SAFETY PROCEDURES.
Performing the following procedures may expose you to hazards. These procedures should be
performed by qualified technicians familiar with the hazards associated with this type of equipment.
These hazards may include shock, energy, and/or burns. To avoid these hazards:
a) The tasks should be performed in the order indicated.
b) Remove watches, rings, and other metal objects.
c) Prior to contacting any uninsulated surface or termination, use a voltmeter to verify that no voltage or
the expected voltage is present. Check for voltage with both AC and DC voltmeters prior to making
contact.
d) Wear eye protection.
e) Use certified and well maintained insulated tools. Use double insulated tools appropriately rated for the
work to be performed.
Voltages
DC Input, DC Output, and Battery Voltages
DANGER! This system has a DC source and/or battery connected to it. Although the DC voltage is not
hazardously high, the DC source and/or battery can deliver large amounts of current. Exercise extreme
caution not to inadvertently contact or have any tool inadvertently contact an input or output terminal or
exposed wire connected to an input or output terminal. NEVER allow a metal object, such as a tool, to
contact more than one termination at a time, or to simultaneously contact a termination and a grounded
object. Even a momentary short circuit can cause sparking, explosion, and injury.
DANGER! Follow local lockout/tagout procedures to ensure DC branch circuit protection devices
remain de-energized during installation at loads, as required.
Battery
Refer to the battery manufacturer documentation for specific battery safety instructions.
WARNING! Correct polarity must be observed when connecting battery leads.
WARNING! Special safety precautions are required for procedures involving handling, installing, and
servicing batteries. Observe all battery safety precautions in this manual and in the battery instruction
manual. These precautions should be followed implicitly at all times.

Vertiv |200 A Distribution Fuse Panel Assembly Installation & User Manual (UM563317)|Rev. B
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Handling Equipment Containing Static Sensitive Components
ALERT! Installation or removal of equipment containing static sensitive components requires careful
handling. Before handling any equipment containing static sensitive components, read and follow the
instructions contained on the Static Warning Page.
Maintenance and Replacement Procedures
CAUTION! When performing any step in procedures that requires removal or installation of hardware,
use caution to ensure no hardware is dropped and left inside the unit; otherwise service interruption or
equipment damage may occur.
NOTE! When performing any step in procedures that requires removal of existing hardware, retain all
hardware for use in subsequent steps, unless otherwise directed.
STATIC WARNING
This equipment contains static sensitive components. The warnings listed below must be observed to
prevent damage to these components. Disregarding any of these warnings may result in personal injury
or damage to the equipment.
1. Strictly adhere to the procedures provided in this document.
2. Before touching any equipment containing static sensitive components, discharge all static electricity
from yourself by wearing a wrist strap grounded through a one megohm resistor. Some wrist straps
have a built-in one megohm resistor; no external resistor is necessary. Read and follow wrist strap
manufacturer’s instructions outlining use of a specific wrist strap.
3. Do not touch traces or components on equipment containing static sensitive components. Handle
equipment containing static sensitive components only by the edges that do not have connector pads.
4. After removing equipment containing static sensitive components, place the equipment only on
conductive or anti-static material such as conductive foam, conductive plastic, or aluminum foil. Do not
use ordinary Styrofoam™or ordinary plastic.
5. Store and ship equipment containing static sensitive components only in static shielding containers.
6. If necessary to repair equipment containing static sensitive components, wear an appropriately
grounded wrist strap, work on a conductive surface, use a grounded soldering iron, and use grounded
test equipment.

Vertiv |200 A Distribution Fuse Panel Assembly Installation & User Manual (UM563317)|Rev. B
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DESCRIPTION
A 1RU high by 19” wide distribution fuse panel with twenty (20) fuse load positions.
Provides…
•+24 VDC or -48 VDC distribution fuse panel.
•Dual (Side A and Side B) load distribution.
•19” and 23” relay rack mounting options.
•(20) fuse load distribution positions (0.180 A to 20 A), (10) per side.
•Two (2) input connection points, per side.
•Local alarm/status indicators (Feed A Power, Feed B Power, Feed A FA, Feed B FA, Major, and Minor).
•Alarm relay contacts (Major, Minor, A Power Fail, B Power Fail, and FA) for connection to external alarms.
•Resistive battery (+24 Batt FA and -48 Batt FA) for connection to external alarms.
SPECIFICATIONS
Electrical
1. Input / Output Voltage: Nominal +24 VDC or -48 VDC
(Feed A and Feed B must be of the same voltage).
2. Maximum Input Current: 100 A per side, 200 A total.
3. Maximum Load Distribution Current:
a) 100 A per side, 200 A total at @ +55 °C (+131 °F).
b) 80 A per side, 160 A total @ +65 °C (+149 °F).

Vertiv |200 A Distribution Fuse Panel Assembly Installation & User Manual (UM563317)|Rev. B
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4. Maximum Fuse Size: 20 A.
5. Local Alarm / Status Indicators:
a) Major
b) Minor
c) Feed A Power
d) Feed B Power
e) Feed A FA
f) Feed B FA
6. External Form-C Alarm Relay Contacts:
a) Major (110 VDC maximum, 33 W maximum, 33 W/60 VDC = 0.55 A maximum)
b) Minor (110 VDC maximum, 33 W maximum, 33 W/60 VDC = 0.55 A maximum)
c) A Power Fail (120 VDC maximum, 60 W maximum, 60 W/60 VDC = 1 A maximum)
d) B Power Fail (120 VDC maximum, 60 W maximum, 60 W/60 VDC = 1 A maximum)
e) FA (120 VDC maximum, 60 W maximum, 60 W/60 VDC = 1 A maximum)
7. Resistive Battery for External Alarm Circuits:
a) +24 Batt FA
b) -48 Batt FA
Environmental
1. Operating Ambient Temperature Range: -40 °C to +65 °C (-40 °F to +149 °F).
2. Storage Ambient Temperature Range: -40 °C to +70 °C (-40 °F to +158 °F).
3. Relative Humidity: Capable of operating in an ambient relative humidity range of 0% to 95%, non-
condensing.
4. Altitude: Capable of operating in an altitude range of -200 feet to 10,000 feet. The maximum operating
ambient temperature should be de-rated by 3 °C per 1000 feet above 6562 feet.
Compliance Information
1. Safety Compliance (pending): This panel is UL Recognized for use in DC Power Distribution Centers for
Communications Equipment.
2. NEBS Compliance (pending): Compliance verified by a Nationally Recognized Testing Laboratory
(NRTL) per GR-1089-CORE and GR-63-CORE. Contact Vertiv for NEBS compliance reports.
3. GR-3108 (Pending): GR-3108 Class 2 Compliant.

Vertiv |200 A Distribution Fuse Panel Assembly Installation & User Manual (UM563317)|Rev. B
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Dimensions and Weight
See Figure 1.
Figure 1: Dimensions and Weight
Notes:
1. Dimensions are in inches,
unless otherwise specified.
2. Finish: Galvanized Steel.
3. Weight:
Net: 7 lbs.
Shipping: 11 lbs.
4. 19” and 23” mounting brackets
furnished.
5. Mounting brackets can be adjusted
for flush front mounting or 2“, 4”
or 5” front projection mounting.
10.0
Front View
23” Mounting Brackets
Rear View
Top View
Right Side ViewLeft Side View
1.25
1.00
1.25
1.72
22.3
23.0
17.6
18.3
19.0

Vertiv |200 A Distribution Fuse Panel Assembly Installation & User Manual (UM563317)|Rev. B
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ACCESSORIES
Order the following by part number as required.
Load Distribution Fuses
The distribution fuse panel holds up to twenty (20) load distribution fuses, ten (10) per side.
Order fuses as required per Table 1.
Table 1: Fuses
Ampere Rating (A) Part Number Body Color Code
0.180
150567
Yellow
0.200
150568
Red/Black
0.250
150569
Violet
0.375
150570
Gray/White
0.500
150571
Red
0.650 150572 Black
0.750
150573
Brown
1.00
150574
Gray
1.33
150575
White
1.50
150576
Yellow/White
2.00
150586
Orange
2.50
150587
Orange/White
3.00
150588
Blue
3.50
150589
Blue/White
4.00
150590
Brown/White
5.00
150591
Green
7.50
150592
White/Black
10.0
150593
White/Red
12.0
150595
Yellow/Green
15.0 (Note 2)
150594
BLUE/RED
20.0 (Note 1)
150596
White/Green
Replacement
Dummy Fuse 248872600 --
Note 1: To maintain compliance with UL 60950-1, Second Edition, 2011-12-19 (Information Technology
Equipment - Safety - Part 1: General Requirements): when the equipment is deployed in the United States the
maximum fuse value that can be used in this product is 20 A.
Note 2: To maintain compliance with CSA C22.2 No. 60950-1-07, Second Edition, 2011-12 (Information
Technology Equipment - Safety - Part 1: General Requirements): when the equipment is deployed in Canada
the maximum fuse value that can be used in this product is 15 A.

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Lugs
Standard Crimp Lugs
For use on the rear input busbars.
Specify part number from Table 2for desired lead size.
Maximum single lug size for rear input landing point connections is 2/0 AWG narrow tongue lug P/N 128945.
Table 2: Crimp Lug, Two-Hole, 1/4” Bolt Clearance Hole, 5/8” Centers
Lead Size Part Number
14-10 AWG
245342300
8 AWG
245390200
6 AWG
245346700
4 AWG
245346800
2 AWG
245346900
2 AWG
140541
(Narrow Tongue)
(Flex Wire)
2 AWG
150551
(Narrow Tongue)
(Standard Wire)
1/0 AWG
150554
(Narrow Tongue)
(Flex Wire)
1/0 AWG
150552
(Narrow Tongue)
(Standard Wire)
2/0 AWG
128945
(Narrow Tongue)
(Standard Wire)
Note: Lugs should be crimped per lug manufacturer’s specifications.

Vertiv |200 A Distribution Fuse Panel Assembly Installation & User Manual (UM563317)|Rev. B
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INSTALLING THE DISTRIBUTION FUSE PANEL
The product can be used at +55 °C (+131 °F) with a maximum of 100 A per side / 200 A total with a one (1) inch
space provided above the unit.
The product can be used at +65 °C (+149 °F) with a maximum of 80 A per side / 160 A total without a space
provided above or below the unit.
Securing the Distribution Fuse Panel to a Relay Rack or a Cabinet Equipment Rack
DANGER! If the distribution fuse panel is mounted in a relay rack, the relay rack must be securely
anchored to the floor before the distribution fuse panel is installed.
NOTE! Ventilation holes in the distribution fuse panel must not be blocked.
The distribution fuse panel is designed to mount in a standard 19” or 23” relay rack or equipment rack having 1”
or 1-1/4” multiple drillings.
•Two 19” mounting brackets are furnished (adjustable for flush front mounting or 2”, 4”, or 5” front
projection mounting).
•Two 23” mounting brackets are furnished (adjustable for flush front mounting or 2”, 4”, or 5” front
projection mounting).
Refer to Figure 1on page 9 for overall dimensions.
Procedure
1. Attach the furnished 19” or 23” mounting brackets to the distribution fuse panel. Note that bracket
mounting holes are provided on the side of the distribution fuse panel to allow for a flush front mounting
or a 2”, 4”, or 5” front projection mounting. Torque mounting bracket to distribution fuse panel hardware
to 11 in-lbs.
2. Position the distribution fuse panel in the relay rack or cabinet equipment rack.
3. Secure the distribution fuse panel to the relay rack or cabinet equipment rack using hardware as shown
in Figure 2(see Figure 2for recommended torque). Use grounding washers as indicated in Figure 2.
NOTE! Install (orient) the ground washers so the teeth dig into the mounting angles for a secure
ground connection.
NOTE! Compliance with Telcordia GR-1089-CORE requires that prior to mounting the system to the
equipment rack:
•All paint must be removed from the front surface of each equipment rack rail where it mates with a
shelf-mounting bracket, so that good metal-to-metal contact can be established between the shelf
and rack.
•The shelf-to-rack mating surfaces must be cleaned.
•Electrical anti-oxidizing compound must be applied to the shelf-to-rack mating surfaces.

Vertiv |200 A Distribution Fuse Panel Assembly Installation & User Manual (UM563317)|Rev. B
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Figure 2: Mounting the Distribution Fuse Panel in a Relay Rack or a Cabinet Equipment Rack
Installing Load Distribution Fuses
Refer to “Specifications” on page 7 for any temperature, sizing, and spacing restrictions.
Procedure
1. Install correctly sized fuses into the fuseholders located on the front of the distribution fuse panel, as
required. If a dummy fuse is installed, first remove the dummy fuse. Install a dummy fuse in all unused
fuse positions. See Figure 3.
2. Record fuse size, location, and other pertinent information on the pull out label located in a slot on the
front of the distribution fuse panel. See Figure 3.
Figure 3: Installing Load Distribution Fuses
MOUNTING HARDWARE
12-24 x 3/4" Thread Forming
Hex Head Screw
No. 10/12 Ground Washer
Torque: 65 in-lbs.
Front
Fuse
Fuse
Front Front
Pull out the fuse label and record the fuse
size, location, and other pertinent information.

Vertiv |200 A Distribution Fuse Panel Assembly Installation & User Manual (UM563317)|Rev. B
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MAKING ELECTRICAL CONNECTIONS
Important Safety Instructions
DANGER! Adhere to the “Important Safety Instructions” presented at the front of this document.
WARNING!When this panel is used in non-factory integrated systems, external branch circuit
protection is required for all input feeds.
Wiring Considerations
All wiring, branch circuit protection, and grounding should follow the current edition of the American National
Standards Institute (ANSI) approved National Fire Protection Association's (NFPA) National Electrical Code
(NEC), and applicable local codes. For operation in countries where the NEC is not recognized, follow
applicable codes.
Relay Rack / Cabinet Frame Grounding Connection
NOTE! This applies to the relay rack or cabinet equipment rack the distribution fuse panel is installed in.
For relay rack / cabinet frame grounding requirements, refer to the current edition of the American National
Standards Institute (ANSI) approved National Fire Protection Association's (NFPA) National Electrical Code
(NEC), applicable local codes, and your specific site requirements.
Distribution Fuse Panel Frame Grounding Connection
For distribution fuse panel frame grounding requirements, refer to the current edition of the American National
Standards Institute (ANSI) approved National Fire Protection Association's (NFPA) National Electrical Code
(NEC), applicable local codes, and your specific site requirements.
Procedure
1. The frame grounding connection to the distribution fuse panel is made by using grounding washers with
the mounting hardware used to secure the distribution fuse panel to the relay rack or cabinet. Refer to
“Securing the Distribution Fuse Panel to a Relay Rack or a Cabinet Equipment Rack” on page 12. Ensure
that the relay rack or cabinet is properly grounded.
NOTE! Two (2) 1/4-20 swage nuts on 5/8” centers are provided on each side of the distribution fuse
panel for a frame grounding lead. Provide a grounding lead terminated in a two hole lug to one set of
these swage nuts, if required. Refer to Figure 4 for location and recommended torque. Refer to Table 2
for available lugs.

Vertiv |200 A Distribution Fuse Panel Assembly Installation & User Manual (UM563317)|Rev. B
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Figure 4: Distribution Fuse Panel Frame Grounding Connection Points
External Alarm Connections
External alarm wiring is made to terminal block TB1 located on the center rear of the distribution fuse panel.
Refer to Figure 5for location, wire size range, and recommended torque. A pull out wiring guide is available
below terminal block TB1. Note that the top and bottom portions of terminal block TB1 can be separated from
the distribution fuse panel to allow easy wiring.
Major Alarm
If terminals 12 and 13 of TB1 are shorted together (such as a relay closure between these terminals); relay
contacts open between terminals 14 and 15 of TB1 and relay contacts close between terminals 15 and 16 of TB1.
Normal operation provides closed relay contacts between terminals 14 and 15 of TB1 and open relay contacts
between terminals 15 and 16 of TB1.
Minor Alarm
If terminals 1 and 2 of TB1 are shorted together (such as a relay closure between these terminals); relay
contacts open between terminals 3 and 4 of TB1 and relay contacts close between terminals 4 and 5 of TB1.
Normal operation provides closed relay contacts between terminals 3 and 4 of TB1 and open relay contacts
between terminals 4 and 5 of TB1.
A Power Fail Alarm
If no power is detected on the distribution fuse panel Side A input, relay contacts open between terminals 18
and 19 of TB1 and relay contacts close between terminals 17 and 18 of TB1. Normal operation (Side A
energized) provides closed relay contacts between terminals 18 and 19 of TB1 and open relay contacts between
terminals 17 and 18 of TB1.
B Power Fail Alarm
If no power is detected on the distribution fuse panel Side B input, relay contacts open between terminals 21
and 22 of TB1 and relay contacts close between terminals 20 and 21 of TB1. Normal operation (Side B
energized) provides closed relay contacts between terminals 21 and 22 of TB1 and open relay contacts between
terminals 20 and 21 of TB1.
1/4-20 on 5/8” Center
Swage Nuts for Shelf
Frame Ground (both sides)
Recommended Torque: 75 in-lbs.
Rear

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Fuse Alarm
If a fuse in the distribution fuse panel opens, relay contacts open between terminals 6 and 7 of TB1 and relay
contacts close between terminals 7 and 8 of TB1. Normal operation provides closed relay contacts between
terminals 6 and 7 of TB1 and open relay contacts between terminals 7 and 8 of TB1.
+24V Battery Fuse Alarm (+24 VDC Installation Only)
If a fuse in the distribution fuse panel opens, +24 VDC is provided at terminal 10 of TB1.
-48V Battery Fuse Alarm (-48 VDC Installation Only)
If a fuse in the distribution fuse panel opens, -48 VDC is provided at terminal 11 of TB1.
Figure 5: External Alarm Connections
TB1 (Top Terminal Block)
TB1 (Bottom Terminal Block)
Major Alarm
Minor Alarm
Pull Out Wiring Guide
FA
A PWR Fail B PWR Fail
not
used
+24V
Batt
FA
-48V
Batt
FA
A R NC C NO NC C NO NC C NO
1 2 3 4 5 6 7 8 9 10 11
12 13 14 15 16 17 18 19 20 21 22
A R NC C NO NC C NO
TB1:
Wire Size Capacity: 28 to 16 AWG.
Recommended Torque: 2.2 in-lbs.
Relays shown in the deenergized state.
FA, Minor Alarm, and Major Alarm relays
are normally de-energized and energize
during an alarm condition.
A PWR Fail and B PWR Fail relays are
normally energized and de-energize during
an alarm condition.
Rear
Polarization key
installed in this position
so top removable half
and bottom removable
half cannot be inter -
changed.

Vertiv |200 A Distribution Fuse Panel Assembly Installation & User Manual (UM563317)|Rev. B
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Load Distribution Wiring
WARNING!Observe proper polarity when making load connections. This panel can be used in +24
VDC or -48 VDC applications. Ensure the proper input voltage is applied to the panel.
NOTE! Load cannot exceed 60% of device rating at any ambient temperature.
Load and load return leads are connected to screw-type terminal blocks located on the rear of the distribution
fuse panel.Refer to Figure 6for terminal block wire size capacity and recommended torque.
The rating of the distribution device determines the wire size requirements. Refer to the American National
Standards Institute (ANSI) approved National Fire Protection Association's (NFPA) National Electrical Code
(NEC) and applicable local codes.
Procedure
1. Remove the rear shields from the distribution fuse panel.
2. Make load connections as required. See Figure 6.
3. Record fuse size, location, and other pertinent information on the pull out label located in a slot on the
front of the distribution fuse panel. See Figure 3.
4. Replace the rear shields onto the distribution fuse panel.
5. Adhere the appropriate furnished voltage label to the outside of the rear shields as shown in Figure 6.

Vertiv |200 A Distribution Fuse Panel Assembly Installation & User Manual (UM563317)|Rev. B
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Figure 6: Load Distribution Wiring
Load Return Leads Load Return Leads
Feed B
Load Leads
Feed A
Load Leads
Wire Size Capacity:
22 AWG to 12 AWG.
Recommended Torque:
9 in-lbs.
Rear (rear cover
removed for clarity
only)
Rear
Pull Out Wiring Guide
OR
Adhere the appropriate
furnished label here.
OR
Adhere the appropriate
furnished label here.
WARNING!
Observe proper polarity when
making load connections.
This panel can be used in
+24 VDC or -48 VDC
applications. Ensure the
proper input voltage is
applied to the panel.
Feed A and Feed B must be
of the same voltage and
polarity.

Vertiv |200 A Distribution Fuse Panel Assembly Installation & User Manual (UM563317)|Rev. B
19
Input Wiring
WARNING!Observe proper polarity when making input connections. Feed A and Feed B must be of the
same voltage and polarity.
Input source and input return leads (Side A and Side B) terminated in two-hole lugs are connected to threaded
studs located on the rear of the distribution fuse panel (refer to Figure 7). Refer to Figure 7also for stud
size/spacing and recommended torque.
Input wire size and lug requirements vary depending on power requirements, therefore no specific information
is provided for wire size. Refer to Table 3for recommended wire sizes and lugs at rated maximum assembly
load and other various loads. Note that loads should not exceed 60% of capacity; therefore, input wires have
been sized for an overcurrent protection device rated at 125% of the expected load. All lugs for customer
connections must be ordered separately. See Table 2for available lugs.
Table 3: Recommended Input External Branch Circuit Protection, Wire Sizes, and Lug (per side)
External Overcurrent
Protection Device
Rating
Ambient
Operating
Temperature (1)
Loop
Length (Ft)
1.0 Voltage
Drop (2)
Recm 90°C
Wire Size
(AWG) (1)
Recommended
Crimp Lug (3)
125 A 55 °C 76 1/0 150552 or 150554
100 A 65 °C 76 1/0 150552 or 150554
1Wire sizes based on recommendations of the American National Standards
Institute (ANSI) approved National Fire Protection Association's (NFPA) National
Electrical Code (NEC). Table 310.15 (B) (16) for copper wire at 90 °C conductor
temperature. For operation in countries where the NEC is not recognized, follow
applicable codes.
2Recommended wire sizes are sufficient to restrict maximum voltage drop to 1.0 volt
at rated full load output current of the shelf for the loop lengths shown in this
column. Loop length is the sum of the lengths of the positive and negative leads.
3These lugs are two-hole for 1/4” bolt clearance on 5/8” centers. Lugs should be
crimped per lug manufacturer’s specifications.
Procedure
1. Remove the rear shields from the distribution fuse panel.
2. Make input connections as required. See Figure 7.
3. Replace the rear shields onto the distribution fuse panel.

Vertiv |200 A Distribution Fuse Panel Assembly Installation & User Manual (UM563317)|Rev. B
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Figure 7: Input Wiring
INITIAL STARTUP
Procedure
1. Apply input power to the distribution fuse panel.
2. Ensure no local or external alarms are present.
OPERATION
Local Indicators
Refer to Figure 8for indicator locations.
a) Feed A PWR Indicator: When illuminated (green), indicates power is supplied to side A.
b) Feed B PWR Indicator: When illuminated (green), indicates power is supplied to side B.
c) Feed A FA Indicator: When illuminated (red), a distribution fuse is open on side A.
d) Feed B FA Indicator: When illuminated (red), a distribution fuse is open on side B.
e) MAJ: When illuminated (red), a major alarm is active.
f) MIN: When illuminated (amber), a minor alarm is active.
1/4-20 studs on 5/8” centers
for installation of customer
provided two-hole lugs.
Maximum Lug Width:
0.64 inches.
Hardware:
1/4-20 KEPS Nut
Torque to 50 in-lbs.
1/4-20 studs on 5/8” centers
for installation of customer
provided two-hole lugs.
Maximum Lug Width:
0.64 inches.
Hardware:
1/4-20 KEPS Nut
Torque to 50 in-lbs.
Rear (rear cover removed for clarity only)
Feed B Input
-48 VDC or +24 VDC
Return
Feed A Input
-48 VDC or +24 VDC
Return
WARNING!
Observe proper polarity when
making input connections.
Feed A and Feed B must be of
the same voltage and polarity.