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ABB CM-MPS.23S Three-Phase Monitoring Relay

ABB
Order Code:

28-3722

Brand: ABB MPN: CM-MPS.23S

Discontinued


The three-phase monitoring relays CM-MPS.x3 monitor the phase parameters phase sequence, phase failure, over- and under voltage as well as phase unbalance. The devices can be used for mains with a frequency of 45-440Hz.

All devices are available with two different terminal versions. You can choose between the proven screw connection technology (double-chamber cage connection terminals) and the completely tool free Easy Connect Technology (push in terminals).


  • Rated control measuring voltage: 3x 180-280V AC
  • Connection technology: Screw terminals
  • TRMS measuring principle
  • Automatic phase sequence correction configurable
  • Interrupted neutral monitoring (CM-MPS.23)
  • CM-MPS.23 can also be used to monitor single-phase mains
  • Can be used for mains with a frequency of 45 to 440Hz
  • ON-delayed or OFF-delayed tripping delay selectable
  • Powered by the measuring circuit
  • Precise adjustment by front-face operating controls
  • 3 LEDs for the indication of operational states
Type Three-phase monitoring relay
Contact Configuration SPDT
Dimensions 22.5 x 85.6 x 103.7mm
Operating Voltage (AC) 180 to 280V
Output Current 0.005A
Temperature Range -25 to +60°C

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