Rittal Power Management

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Power System Module PSM

The Power System Module PSM/PSM Plus is a completely shock-hazard protected busbar which is mounted in the rack – for super-easy cable management and minimal assembly cost coupled with optimum power supply and back-up.
Plug-in modules for the busbars are available in various country versions.

Power System Module PSM – intelligent power distribution inside the rack

Key benefits:
• Busbar fully shock-hazard protected
• Redundant configuration thanks to two
  separate circuits
• Loadable up to 32 A (single-phase infeed) or up to
  96 A (three-phase infeed)
• Modules may be retrofitted with the system
   operational
• Active modules feature individual slot switching with
   SNMP/HTTP and user management
• Max. 42 slots in one 2 m system
• Optimised cable management
• Single- and 3-phase version with 16/32 A phase current
• Flexible and redundant layout
• Installation without loss of U
• Modules may be upgraded with
   the system operational
• Remote monitoring via web server and SNMP

Technical specifications:
• Single- and 3-phase configuration with a
   maximum current of 32 A per phase,
   1 x 16/32 A or 3 x 16/32 A
• Accommodates up to 6 passive PSM modules
• Integral circuit-breaker 16 A, class C
• Modules may be retrofitted whilst the system
   is operational

PSM busbar with measurement

Busbar with integral output measurement
Display and monitoring of the complete three-phase connection current and the power per rail. In conjunction with CMC-TC, the rail may be remotely administered and configured using standard protocols (SNMP, HTTP).

Simple connection via RJ connector.

The following active functions are provided:
• Local LED display, backlit.
• Measurement and monitoring of the current
  per phase. Min./max. limits may be set.
   Measurement range 0 – 16 A.
• Measuring and monitoring of the voltage
  per phase. Min./max. limits may be set.
   Measurement range 0 – 250 V.
• Alarm notification via a flashing display.
• Remote administration of the PSM rail,
  editing and monitoring of remote limits,
   SNMP trap message in case of alarm.

Power System Module PSM
By rotating the modules, two different circuits may be accessed with one slot.