nvent SCHROFF Rack Safety Plus User manual

1
Rack Safety Plus, 3 U, 230/400 V AC
Power Distribution Unit with Emergency Stop
User Manual
Release 1.4
16.05.2022
Doc-No: 63972-416

2
Schroff GmbH
Langenalber Str. 96-100
75334 Straubenhardt/Germany
schroff.nVent.com
This document is furnished under license and may be used or copied only in accordance with the
terms of such license. The content of this manual is furnished for informational use only, is subject
to change without notice, and should not be construed as a commitment by nVent. nVent
assumes no responsibility or liability for any errors or inaccuracies that may appear in this
document.
Except as permitted by such license, no part of this publication may be reproduced, stored in a
retrieval system, or transmitted, in any form or by any means, electronic, manual, recording, or
otherwise, without the prior written permission of nVent.
All nVent marks and logos are owned or licensed by nVent Services GmbH or its affiliates. All
other trademarks are the property of their respective owners. nVent reserves the right to change
specifications without notice.
Copyright © 2022 nVent
All Rights Reserved.

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Table of Contents
1Safety................................................................................................................................5
1.1 Intended Use.................................................................................................................5
1.2 Not intended use...........................................................................................................5
1.3 Safety instructions of the manufacturer .........................................................................5
1.3.1 Disclaimer.................................................................................................................5
1.4 Safety symbols used in this manual ..............................................................................6
1.5 Safety Information for the Operator...............................................................................7
1.6 Safety assessment........................................................................................................7
2Power Distribution Unit Overview ..................................................................................8
2.1 System description........................................................................................................8
2.2 Front and Rear View .....................................................................................................9
2.3 Example Configurations..............................................................................................10
2.4 Mains inlets.................................................................................................................13
2.5 AC Outlets...................................................................................................................14
2.6 DC Outlet (Option) ......................................................................................................15
2.7 RCD and Circuit Breakers...........................................................................................15
2.8 Surge Arrester (Option)...............................................................................................16
2.9 Inrush Current Limiter (Option)....................................................................................17
3Emergency Stop System...............................................................................................18
3.1 Emergency Stop safety features .................................................................................18
3.2 Emergency Stop Input and Output ..............................................................................19
3.2.1 Emergency Stop Status LEDs ................................................................................19
4Installation and Commissioning...................................................................................20
4.1 Installation...................................................................................................................20
4.2 Rack mounting............................................................................................................21
4.3 Mains connection and system start-up........................................................................22
5Maintenance...................................................................................................................23
5.1 Cleaning......................................................................................................................23
6Disposal..........................................................................................................................23

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7Technical data................................................................................................................24
7.1 Dimensions.................................................................................................................25

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1 Safety
1.1 Intended Use
The nVent SCHROFF power distribution unit described in this manual is a power distribution
unit used to supply AC mains power to electrical or electronic devices as a central power
switch with emergency stop function.
Intended use includes compliance with the terms and conditions for assembly, disassembly,
commissioning, operation and maintenance specified by the manufacturer.
The power distribution unit is only intended for use in dry locations, i.e. indoors and without
any pollution, in an industrial environment or for commercial use.
1.2 Not intended use
The use of the power distribution unit as a safety function for a machine is not allowed and
can lead to hazards.
If the equipment is used in a manner not specified by the manufacturer, the protection
provided by the equipment may be impaired
1.3 Safety instructions of the manufacturer
1.3.1 Disclaimer
Schroff accepts no liability for any errors in this documentation. To the maximum extent
permissible by law, any liability for damage, direct or indirect, arising from the supply or use
of this documentation is excluded.
Schroff retains the right to modify this document, including the liability disclaimer, at any time
without notice and accepts no liability for any consequences of such alterations.

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1.4 Safety symbols used in this manual
In these original operating instructions, warning notices point out residual risks that cannot be
avoided by constructive means when installing or operating the Power Distribution Unit. The
warning notices are classified according to the severity of the damage occurring and the
probability of its occurrence.
⚠DANGER
Symbol
Short description of the danger
The signal word DANGER indicates an immediate danger.
Non-observance will result in severe injuries or death.
⚠WARNING
Symbol
Short description of the danger
The signal word WARNING indicates a possible danger.
Non-observance can lead to serious injury or death.
⚠CAUTION
Symbol
Short description of the danger
The signal word CAUTION indicates a possible danger.
Non-observance can lead to injuries.
ATTENTION
Short description
The signal word ATTENTION indicates possible damages to equipment.
Non-observance can lead to damage to the device.
Important information

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1.5 Safety Information for the Operator
Only trained specialists are authorized to carry out assembly, commissioning, completion,
maintenance and service of the power distribution unit. The nationally applicable health and
safety regulations must also be adhered to.
⚠WARNING
Risk of injury due to insufficient personal protective equipment
If you use the wrong protective equipment or no protective equipment at all,
you could be seriously injured.
- Wear protective equipment adapted to the work processes.
- Check the protective equipment before each use to ensure that it is intact!
- Use only approved protective equipment.
1.6 Safety assessment
Before using the power distribution unit in conjunction with a plant/machine, a safety
assessment in accordance with the Machinery Directive is required.
The products emergency stop feature is not intended to be used as a safety related function
for a machine. Therefore the user has to provide own measures to ensure the required
functional safety of the machine is achieved.

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2 Power Distribution Unit Overview
2.1 System description
The power distribution unit is intended to supply AC mains power and 24 V DC power to
electrical or electronic devices as a central power switch with emergency stop function.
The power distribution unit has a modular design and can be configured by the customer.
Due to the modularity not all possible configurations can be described in this
manual.
For further technical information and configuration options, please refer to
the relevant data sheets and the online configurator at schroff.nvent.com.
Default features
19” 3 U aluminium subrack
Main switch
Mains fuses
Circuit breaker panel
Emergency stop system
Status LEDs for phase presence and emergency stop
ON/OFF switch for switched outputs
Possible configuration options:
Mains input
400 V 3-phase or 230 V 1-phase with different connector types such as IEC 60309,
IEC 60320-C20, Harting Han 3A/Q5 or cable
AC outputs
2 rear panels with different connector types such as IEC 60320-C13, IEC 60320-C19
or CEE 7/3 Type F (Schuko).
DC Power supply
24 V DC power supply with rear output panel
Permanent AC Service Outputs
IEC 60320-C13 or CEE 7/3 Type F (Schuko) at the front and rear panel
RCD circuit breaker
Transparent cover for the circuit breakers
Surge Arrester
Inrush Current Limiter
AC input with EMC filter
All outputs are protected by circuit breakers.
All outputs except the "Service" outputs can be switched off by the Emergency Stop system.

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2.2 Front and Rear View
(P/N 21270-001)
1
Main Switch
10
“Service” Output 230 V AC 10 A (option)
2
Service Output 230 V AC 10 A (option)
11
24 V DC Output, switched (option)
3
Transparent Cover for Circuit Breakers
(option)
12
Configurable output panel 1
Example: Switched Power Outputs IEC-60320
C13, 230 V AC 10 A
4
RCD (option)
13
Configurable output panel 2
Example: Switched Power Outputs IEC-60320
C19, 230 V AC 16 A
5
Circuit Breakers
14
Mains Fuses T16 A 250 V
6
Emergency Stop Push Button
15
Emergency Stop Input and Status Output
7
Phase Monitor LEDs
16
Ground Stud
8
Emergency Stop Status LEDs
17
Configurable input panel
Example: IEC 60309 3L+N+PE, 6h, 400 Y/230
V 3~ 50/60 Hz 16 A
9
ON/OFF Switch for switched Outputs

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2.3 Example Configurations
PN: 21700-001