Liebert MPXIPC-NXJ30XXX User Manual

MPX

™

 PRC

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: Power Rail Chassis

MPX PEM

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: Power Entry Module

MPX BRM

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: Branch Receptacle Module

MPX IPC

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: Input Power Cord

MPX RPC

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: Rack PDU Card

This manual contains important safety instructions. Read all safety, installation and operating 

instructions before installing a Liebert MPX. Adhere to all warnings on the unit and in this manual. 

Follow all operating and user instructions. Observe all cautions and warnings in this manual.

The Liebert MPX must be installed in a restricted-access location. A restricted-access location is an 

area where access is possible only through the use of a tool or lock and key or other means of security, 

and is controlled by the authority responsible for the location.
Operate the Liebert MPX in an indoor environment only within an ambient temperature range of 

41°F to 131°F (5°C to 55°C) with a relative humidity of 0% ~ 95%, non-condensing. Install it in a clean 

environment, free of conductive contaminants, moisture, flammable liquids, gases and corrosive 

substances.

Emerson strongly recommends that the MPX PEM be installed only by an individual who has been 

properly trained and qualified to perform electrical work.
Only personnel who understand the precautions in this manual should be permitted in the Liebert 

MPX’s restricted access location.

The Liebert MPX is designed to deliver power to information technology and telecommunication 

equipment. The Liebert MPX is not intended for use with life support or other designated critical 

devices. If uncertain about its application, consult your local dealer or your Emerson representative.

Whenever the MPX PEM is connected to power, the connectors on the bottom are energized with 

hazardous voltage. 
Connect input power only after: 

• the MPX PEM (Power Entry Module) is properly installed on the MPX PRC (Power Rail Chassis) 
• the MPX IPC (Input Power Cord) is properly connected to the MPX PEM

Disconnect power before unlocking the connector screws that attach the PEM to the PRC. Never 

remove a PEM from the power distribution unit while input power is connected. The PEM is not hot 

swappable.
Only one MPX PEM (Power Entry Module) should be connected to an MPX PRC (Power Rail Chassis). 

Failure to comply could result in serious injury or equipment damage.

Risk of arc flash and electric shock. Can cause equipment damage, injury or death.
The Liebert

®

 MPX contains hazardous voltage. Follow the warnings and cautions in this 

document to avoid serious injury or death from electric shock.