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2.3
MPX BRM—Branch Receptacle Module/Power Output
The MPX BRM provides output power distribution to user load equipment. All MPX BRMs include
output receptacles (NEMA, Schuko or IEC) that are overload-protected by 100% rated hydraulic-mag-
netic circuit breakers.
MPX BRMs are hot-swappable to allow user installation without powering down the Liebert MPX. Up
to three standard sized (266mm) MPX BRMs can be deployed on a Liebert MPX utilizing the MPX
PRC (Power Rail Chassis) for typical 23U racks and up to six standard size MPX BRMs (Branch
Receptacle Modules) for units utilizing the 1880mm MPX PRC for typical 42U racks. All MPX BRMs
include an LED ID indicator that uniquely identifies the individual module with a numeric value.
North American and European models of the MPX BRM are available in the following versions and
features:
• Branch Monitoring version of the MPX BRM provides aggregate metering, including voltage, cur-
rent, kW, kVA and kW-h. Additionally, current alarming and operational status are supported.
• Receptacle Management version of the MPX BRM provides the same features as the Branch Mon-
itoring models, plus the control, metering and current alarming of individual receptacles. The
receptacles may either be turned On or Off remotely or programmed for automatic power-on
sequencing.
Other important features include:
• A numeric indicator to provide module identification
• For Receptacle Management versions, a visual indicator per receptacle alerts the user to the cur-
rent condition of the load.
• The circuit breaker may be opened with the use of a tool. Open circuit breaker detection causes
the numeric indicator to flash.
• Voltage phasing is determined by the power blade configuration on the bottom of each MPX
BRM, and is clearly marked on the color coded label.
• IEC C13 receptacle types are provided with retaining clips to provide strain relief for the Load's
power supply cord.
Figure 6
MPX BRM (Branch Receptacle Module)
Receptacle On/ Off Indicators
(Receptacle Management
Units Only)
Integral
Connector
7
Liebert MPX System Modules
Receptacles
Branch-Rated
Circuit Breaker
(100% Rated)
Branch Numeric
Indicator
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