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Electrical Time Switches, Timers & Control Relays

ABB CM-IWS.1S INSULATION MONITORING RELAY 2C/O 24-240VAC/DC

Product Code: CM-IWS.1S

The Insulation Resistance Monitoring Relay is designed to monitor insulation resistance in unearthed AC, DC, or AC/DC systems. It can handle voltages up to 400V AC and 600V DC. The measuring range for insulation resistance is 1-200 kO, and it has a system leakage capacitance of 20 mF. The relay features 2 changeover contacts with SPDT configuration and a supply voltage range of 24-240V AC/DC. It comes in a compact form factor with a width of 22.5mm per module.

Technical Specifications

Brand ABB
Contacts 2CO
Degree of Protection IP50 (Housing), IP20 (Terminals)
LED Colour U: Green, F: Red, R: Yellow
Measuring Range (Kilo Ohm) 1 - 100
Mounting Type DIN Rail
Operational Temperature Range (°C) -25 to +60
Pollution Degree 3
Rated Control Supply Voltage AC/DC (V) 24 - 240
Rated Frequency (Hz) 15-400
Rated Impulse Withstand Voltage (kV) 6
System Leakage Capacitance (µF) 20
Terminal Type Screw

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