Hitachi PN-150BE User manual

SM 4551L
1000 Technology Drive, Pittsburgh, PA 15219
645 Russell Street, Batesburg, SC 29006
PN-150BE
Biased High Efficiency Vital Relay
STS USA Part No.
N322513-001 N322521-002
N322513-002 N322521-802
N322513-003
Installation
Operation
Maintenance

PN-150BE Biased High Efficiency Vital Relay
Copyright 2019 Error! Unknown document property name.4551L Error!
Unknown document property name.1, March 2019

PN-150BE Biased High Efficiency Vital Relay
Copyright 2019 SM 4551L, Rev. 0 1, March 2019 i
Proprietary Notice
This document and its contents are the property of Hitachi Rail
STS USA, Inc. (formerly known as Union Switch & Signal Inc.,
and hereinafter referred to as "STS USA"). This document is
furnished to you on the following conditions: 1.) That no
proprietary or intellectual property right or interest of STS USA
is given or waived in supplying this document and its contents
to you; and, 2.) That this document and its contents are not to
be used or treated in any manner inconsistent with the rights of
STS USA, or to its detriment, and are not to be copied,
reproduced, disclosed or transferred to others, or improperly
disposed of without the prior written consent of STS USA.
Important Notice
STS USA constantly strives to improve our products and keep our customers apprised
of changes in technology. Following the recommendations contained in the attached
service manual will provide our customers with optimum operational reliability. The data
contained herein purports solely to describe the product, and does not create any
warranties.
Within the scope of the attached manual, it is impossible to take into account every
eventuality that may arise with technical equipment in service. Please consult an STS
USA local sales representative in the event of any irregularities with our product.
STS USA expressly disclaims liability resulting from any improper handling or use of our
equipment, even if these instructions contain no specific indication in this respect. We
strongly recommend that only approved STS USA spare parts are used as
replacements.

PN-150BE Biased High Efficiency Vital Relay
Copyright 2019 SM 4551L, Rev. 0 1, March 2019 ii
Revision History
Rev. Date Nature of Revision
0
January 1982
Initial Release
1
March 2019
Hitachi Rail STS Branding

PN-150BE Biased High Efficiency Vital Relay
Copyright 2019 SM 4551L, Rev. 0 1, March 2019 iii
Table of Contents
1. GENERAL INFORMATION ...............................................................................................................1-1
1.1. Introduction ............................................................................................................................... 1-1
1.2. Description ................................................................................................................................ 1-1
1.2.1. General .........................................................................................................................1-1
1.2.2. Coils ..............................................................................................................................1-1
1.2.3. Contacts........................................................................................................................1-1
1.3. Specifications............................................................................................................................ 1-1
1.3.1. Electrical .......................................................................................................................1-2
1.3.2. Mechanical....................................................................................................................1-3
2. INSTALLATION.................................................................................................................................2-1
2.1. General ..................................................................................................................................... 2-1
2.2. Mounting Base.......................................................................................................................... 2-1
2.3. RELAY INDELING .................................................................................................................... 2-1
2.4. RECEPTACLE CONTACT SPRINGS ...................................................................................... 2-2
2.4.1. Old Style Base Only......................................................................................................2-2
2.4.2. Improved One Piece Base Only ...................................................................................2-2
2.4.3. Installing Wires in Receptacle Contact Springs............................................................2-3
2.4.4. Base Wiring for Series or Parallel Connected Coils .....................................................2-4
2.5. RELAY INSERTION ................................................................................................................. 2-4
3. FILED MAINTENANCE .....................................................................................................................3-1
3.1. Introduction ............................................................................................................................... 3-1
3.2. Periodic Performance Test ....................................................................................................... 3-1
3.2.1. Cleaning........................................................................................................................3-1
3.2.2. Service Requirements ..................................................................................................3-1
4. SHOP MAINTENANCE .....................................................................................................................4-3
4.1. Introduction ............................................................................................................................... 4-3
4.2. Cleaning and Inspection ........................................................................................................... 4-3
4.2.1. Armature Stop Pin Cleaning .........................................................................................4-3
4.2.2. Cleaning Relay Contacts ..............................................................................................4-4
4.3. Performance Test ..................................................................................................................... 4-5
4.4. REPAIRS AND REPLACEMENT ............................................................................................. 4-6
4.4.1. Disassembly..................................................................................................................4-6
4.4.2. Reassembly ..................................................................................................................4-6
4.4.3. General Parts Replacement .........................................................................................4-6
4.5. ADJUSTMENTS ....................................................................................................................... 4-7
4.5.1. Recommended Tools and Test Equipment ..................................................................4-7
4.5.2. Magnet and Magnet Extension .....................................................................................4-8
4.5.3. Permanent Magnet .......................................................................................................4-8
4.5.4. Indicator ........................................................................................................................4-8
4.5.5. Contact Adjustment ......................................................................................................4-8
4.5.6. Permanent Magnet Hold-Down Force ........................................................................4-11
4.5.7. Polarity).......................................................................................................................4-11
4.5.8. Drop-Away ..................................................................................................................4-12
4.5.9. Pick-Up .......................................................................................................................4-12

PN-150BE Biased High Efficiency Vital Relay
Copyright 2019 SM 4551L, Rev. 0 1, March 2019 iv
4.5.10.Working.......................................................................................................................4-12
4.6. CALIBRATION........................................................................................................................ 4-12
4.6.1. Recommended Test Equipment .................................................................................4-12
4.6.2. Procedure ...................................................................................................................4-12
4.6.3. Contact Resistance.....................................................................................................4-14
5. PARTS LIST ......................................................................................................................................5-1
6. RAIL TEAM AND TECHNICAL SUPPORT ......................................................................................6-1
List of Figures
Figure 2-1. Typical Plug-In Relay and Mounting Base ............................................................................. 2-1
Figure 2-2. Receptacle Contact Spring Installed ...................................................................................... 2-3
Figure 2-3. External Connections to Mounting Base ................................................................................ 2-5
Figure 4-1. Armature Stop Pin Location.................................................................................................... 4-4
Figure 4-2. Assembly of Permanent Magnet ............................................................................................ 4-7
Figure 4-3. Heel Contact Springs............................................................................................................ 4-10
Figure 4-4. PN-150BE Relay Test Circuit ............................................................................................... 4-13
Figure 5-1. PN-150BE Relay..................................................................................................................... 5-4
Figure 5-2. Old Style Mounting Base for PM-150BE Relays .................................................................... 5-6
Figure 5-3. Improved Mounting Base for PM-150BE Relays.................................................................... 5-8
List of Tables
Table 1-1. Electrical Specifications ........................................................................................................... 1-2
Table 4-1. Adjustment and Calibration Summary for PN-150BE High Efficiency
Biased Line Relays............................................................................................................... 4-12
Table 4-2. Calibration Values for PN-150BE High Efficiency Relays With
1FB, 1F-1B Ind. L.V. Contacts..............................................................................................
4-13
Table 5-1. Parts List References for PN-150BE Relays ........................................................................... 5-1
Table 5-2. Parts List for PN-150BE Relay ................................................................................................ 5-2
Table 5-3. Parts List for Old Style Mounting Base for PN-150B Relays................................................... 5-5
Table 5-4. Parts List for Improved Mounting Base for PN-150BE Relays ................................................ 5-7

PN-150BE Biased High Efficiency Vital Relay
Copyright 2019 SM 4551L, Rev. 0 1, March 2019 1-1
1. GENERAL INFORMATION
1.1. Introduction
This manual provides service information for the PN-150BE plug-in relay. The PN-
150BE relay is a biased high efficiency relay designed for special circuit applications
where voltage losses are critical.
1.2. Description
1.2.1. General
The PN-150BE relay is a high efficiency biased relay which will respond to very low
currents. The coils of this relay may be externally connected in series or multiple to suit
the particular application. This characteristic permits it to be used in series with another
relay, in applications where low currents must be employed to keep voltage loss to a
minimum, or with "UT" timing units.
The relay is factory calibrated to operate across a wide environmental range. All moving
parts are enclosed in a sturdy, transparent, dust and moisture resistant cover. To insure
the relay is inserted in its proper mounting base, all relays have indexing pins. Relays
lock securely in the plug-in position.
1.2.2. Coils
Coil resistance of PN-150BE relay is dependent on part number. Refer to Section 1.3.1
to correlate part numbers to coil resistance values. The resistance selected depends on
the system voltage and circuitry.
1.2.3. Contacts
Contacts of the PN-150BE relay are standard low voltage silver-to-silver impregnated
carbon front and silver-to-silver back. See Figure 5-1 for a pictorial representation of the
contact assembly.
1.3. Specifications
The following paragraphs provide the electrical and mechanical specifications of the
PN-150BE relays covered in this manual.

PN-150BE Biased High Efficiency Vital Relay
Copyright 2019 SM 4551L, Rev. 0 1, March 2019 1-2
1.3.1. Electrical
Relay electrical specifications are tabulated in Table 1-1 in part number order.
Table 1-1. Electrical Specifications
Part Number
With Front
Testing Facility
Contacts
Coil Resistance
Ohms Minimum
Drop Away
Volts
Energization System
Voltage
Series Multiple Amps Volts(DC)
N322513-001
1FB, 1F,
1B Std. 60 0.445 0.0148 0.888 *
15
0.222
0.0296
0.444
N322513-002
1FB, 1F,
1B Std. 1000 1.88 0.0038 3.8 10 - 12*
250
0.94
0.0075
1.88
N322513-003
1FB, 1F,
1B Std. 2000 2.78 0.0028 5.56 10 - 24**
500
1.4
0.0056
2.8
N322521-002
1FB, 1F,
1B Std. 2000 -- 3.22 0.0033 6.60 10 - 24***
N322521-8021
1FB, 1F,
1B Std. 2000 -- 3.22 0.0033 6.60 10 - 24***
* Normally used in series with another relay.
** For use in line circuits where voltage losses are critical.
*** For use with "UT" Timing Units.
1
These relays are presently furnished with a Lexan cover. When the present stock
of TYRIL covers is depleted, all PN-150BE covers will be Lexan with molded-in
vent.
Contacts - standard low voltage silver to silver-impregnated carbon front, and
silver to silver back.
Contact Assignments - Contact
Number Type
1 FB
2 B
3 F

PN-150BE Biased High Efficiency Vital Relay
Copyright 2019 SM 4551L, Rev. 0 1, March 2019 1-3
1.3.2. Mechanical
The following mechanical specifications are common to all PN-150BE relays covered in
this manual.
Relay Dimensions: Height 7-1/16" (17.93 cm)
Width 2-7/16" (6.19 cm)
Depth 8-3/8" (21.27 cm)
Temperature: -40°F (-40°C) to +185°F (85°C)
Indexing: Refer to Section 2.3
Weight: 8.25 Lbs. (3.75 kg)
Mounting Base: N349904 (Old Style)
N451376-0302 (Improved Style)
Mounting Base Weight: 17.5 oz. (Old Style)
9.5 oz. (Improved Style)
Mounting Base Dimensions: Height 7-15/16" (20.16 cm)
Width 2-7/16" ( 6.19 cm)
Depth 2-7/16" (6.19 cm) (Old Style Base)
Depth 1-25/32" (4.52 cm) (Improved Base)

PN-150BE Biased High Efficiency Vital Relay
Copyright 2019 SM 4551L, Rev. 0 1, March 2019 1-4