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Summary of Contents for nVent SCHROFF Rack Safety Plus 3 U
- Page 1 Rack Safety Plus, 3 U Power Distribution Unit with Emergency Stop User Manual Release 1.0 07.03.2023 Doc-No: 63972-435...
- Page 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.
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Page 3: Table Of Contents
Table of Contents 1. Safety ..........................5 Intended Use ......................... 5 Not intended use ......................5 Safety instructions of the manufacturer ................. 5 1.3.1 Disclaimer ......................... 5 Safety symbols used in this manual ................6 Safety Information for the Operator ................7 Safety assessment ...................... - Page 4 Mains connection and system start-up ................ 23 5. Maintenance ........................24 Cleaning ........................24 6. Disposal .......................... 24 7. Technical data ........................ 25 Dimensions ......................... 26 Date: 2023/06/16 Page : 4 of 26...
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Page 5: Safety
1. Safety 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. -
Page 6: Safety Symbols Used In This Manual
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. -
Page 7: Safety Information For The Operator
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. -
Page 8: Power Distribution Unit Overview
2. Power Distribution Unit Overview System description The power distribution unit is intended to supply AC mains power and various 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. -
Page 9: Ac Outputs
2.2.2 AC outputs • For 120 V AC units 2 outlet panel are available: 4 x NEMA 5-15R (12 A) outlets 4 x NEMA 5-20R (16 A) outlets • For 208 / 240 V AC units 4 outlet panel are available: 2 x block of 4 x C13 (12 A), non-lockable outlets 6 x C13 (12 A), lockable outlets 4 x C19 (16 A), lockable outlets... -
Page 10: Front And Rear View
Front and Rear View (P/N 21272-001) “Service” Output 208/240 V AC 12 A (option) Line Monitor LED Mains ON/OFF 24 V DC Output, switched (option) Circuit Breakers Configurable output panel 1 Example: Switched Power Outputs IEC-60320 C13, 208/240 V AC 12 A Service Output 208/240 V AC 12 A Configurable output panel 2 (option) -
Page 11: Example Configurations
Example Configurations PN: 21272-001 PN: 21272-002 Date: 2023/06/16 Page : 11 of 26... -
Page 12: Mains Inlets
Mains inlets Different power inlet modules for 120 V AC and 208/240 V AC are available. The 208 / 240 V AC input units handle different voltage inputs: 208/240 V AC Inputs 208/240 V AC 12 A cable 2.5 m 208/240 V AC 16 A cable 2.5 m 208/240 V AC 24 A cable 2.5 m 208/240 V AC 12 A... - Page 13 120 V AC Inputs 120 V AC 12 A cable 2.5 m 120 V AC 16 A cable 2.5 m 120 V AC 24 A cable 2.5 m 120 V AC 12 A 120 V AC 16 A 120 V AC 24 A NEMA 5-20P NEMA 5-20P NEMA L5-30P...
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Page 14: Ac Outlets
AC Outlets Different power outlet modules for 120 V AC or 208/240 V AC are available. The following overview represents the availability at the time of publication of this manual. For the current availability visit schroff.nvent.com Switched 208/240 V AC Outlets IEC 60320-C13, 12 A IEC 60320-C13 lockable, 12 A IEC 60320-C19, 16 A... -
Page 15: Dc Outlets (Option)
Permanent Service Outlets (Option) Front Front Rear Rear NEMA 5-15R IEC 60320-C13 NEMA 5-15R IEC 60320-C13 DC Outlets (Option) 24 V DC, 14.6 A 28 V DC, 14.6 A 24 V DC, 14.6 A 24 V DC, 14.6 A 24 V DC, 14.6 A 5 V DC, 6.5 A 12 V DC, 4.5 A 5 V DC, 6.5 A... -
Page 16: Circuit Breakers
Circuit Breakers The outputs are protected by circuit breakers (5). The number of the circuit breaker corresponds to the number of the output, for example, X1 is connected to CB1, X2 is connected to CB2 and so on. ATTENTION Electrical overload hazard The total current consumption of all outputs must not exceed the current rating of the mains input. -
Page 17: Surge Arrester (Option)
Surge Arrester (Option) The Power Distribution Unit can be equipped with a surge arrester as an option. Date: 2023/06/16 Page : 17 of 26... -
Page 18: Inrush Current Limiter (Option)
2.10 Inrush Current Limiter (Option) The Power Distribution Unit provides an inrush current limiter as an option. The inrush current limiter is designed for capacitive loads. In the moment of switching-on the system the inrush current of the connected load will be limited for the defined time T Independent from the previous inrush level, the current limiting is always strict. -
Page 19: Emergency Stop System
The “Service” AC outputs are not switched off via the Emergency Stop System. Emergency Stop safety features The Emergency Stop function of the nVent SCHROFF power distribution unit is controlled and monitored by a safety relay. The safety relay provides a safety-related interruption of the switched outputs. The safety relay meets the requirements of EN 60947-5-1 and EN 60204-1 in applications with E-STOP push buttons. -
Page 20: Emergency Stop Input And Output
Emergency Stop Input and Output An additional emergency stop push button can be connected to the system at the "Emergency Stop" input (14). If no additional emergency stop push button is connected, the socket must be terminated with a jumper plug. (Scope of delivery) The "Emergency Status"... -
Page 21: Installation And Commissioning
4. Installation and Commissioning ⚠ WARNING Risk of injury and accidents due to insufficiently qualified personnel! • The installation may only be carried out by qualified personnel who are authorized to do so according to the valid safety regulations, e.g. by authorized specialized companies or authorized departments of the company. -
Page 22: Rack Mounting
Rack mounting ⚠ WARNING Risk of injury and accidents due to insufficiently qualified personnel! • The installation may only be carried out by qualified personnel who are authorized to do so according to the valid safety regulations, e.g. by authorized specialized companies or authorized departments of the company. -
Page 23: Mains Connection And System Start-Up
Mains connection and system start-up Connect the system to 120 V AC or 208/240 V AC mains voltage. Note: Input and connector type depends on the configuration. Switch the system on via the main circuit breaker (2). The AC “Service” (8) outputs will be switched The presence of mains power is indicated via the LED (1) and the Power LED (6) should light Turn on the switched AC outputs (10,11) and... -
Page 24: Maintenance
5. Maintenance The device is maintenance-free. Depending on the operating conditions, the emergency stop function should be tested regularly at intervals specified by the operator. Cleaning ⚠ WARNING Electrical shock when cleaning To prevent electrical shock, disconnect the device from mains power before cleaning with dampened cloth! Use a dry cloth or are cloth slightly dampened with clean water or soapy water to clean the case. -
Page 25: Technical Data
7. Technical data Type Power Distribution Unit Part No. 21272-0xx Electrical data Supply voltage 120 V AC or 208/240 V AC, 50/60 Hz Input current (derated) 12 A, 16 A or 24 A Mains supply voltage fluctuations 10 % Overvoltage category Environment Ambient temperature operation 5….40 °C... -
Page 26: Dimensions
Dimensions Date: 2023/06/16 Page : 26 of 26...
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