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Electrical Time Switches, Timers & Control Relays

ABB CM-MPS.21S 3-PHASE MONITORING RELAY 2C/O SPDT 180-280VAC

Product Code: CM-MPS.21S

The three-phase monitoring relay is designed to detect phase failure, monitor phase sequence, and monitor over- and undervoltage. It also detects phase unbalance and interrupted neutral. The measuring range for this relay is 180 to 280 V AC (L-N). It has 2 changeover contact SPDT with a control supply voltage of 1. The width of the module is 22.5mm.

Technical Specifications

Brand ABB
Contacts 2CO
Degree of Protection IP50 (Housing), IP20 (Terminals)
Duty Time 100%
Measuring Range AC (V) Overvoltage: 3 x 240-280, Undervoltage: 3 x 180-220
Mounting Type DIN Rail
No. of Phases 3
Operational Temperature Range (°C) -25 to +60
Pollution Degree 3
Rated Control Supply Voltage AC (V) 3 x 180-280
Rated Frequency (Hz) 50/60
Rated Impulse Withstand Voltage (kV) 6/4
Terminal Type Screw
Timing Range Start-up delay: 200ms, Tripping delay: 0s or 0.1-30s (ON or OFF)

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