ABB Insulation Monitoring Relay, 1, 3 Phase, SPDT, 0 → 250 V ac, 0 → 300V dc, DIN Rail

View all Monitoring Relays
Bulk discount available

Subtotal (1 unit)*

£283.62

(exc. VAT)

£340.34

(inc. VAT)

Add to Basket
Select or type quantity
In Stock
  • 7 unit(s) ready to ship
  • Plus 6 unit(s) shipping from 24 October 2025
Need more? Click ‘Check delivery dates’ to find extra stock and lead times.
Units
Per unit
1 - 4£283.62
5 - 9£269.43
10 - 24£255.26
25 - 49£241.07
50 +£226.89

*price indicative

RS Stock No.:
806-5935
Mfr. Part No.:
1SVR740660R0100 CM-IWS.1P
Brand:
ABB
Find similar products by selecting one or more attributes.
Select all

Brand

ABB

Monitoring Application

Insulation

Electrical Phase

1, 3

Voltage Sensing Range

0 → 250 V ac, 0 → 300V dc

Contact Configuration

SPDT

Mounting Type

DIN Rail

Series

CM-IWS

Maximum Voltage Sensed

250 V ac, 300V dc

Width

22.5mm

Dimensions

103.7 x 22.5 x 85.6mm

Terminal Type

Push In

Minimum Voltage Sensed

0V ac/dc

Height

85.6mm

Length

103.7mm

CM-IWS - Insulation Monitoring Relays


CM-IWS series relays serve to monitor insulation resistance and can be configured to the requirements of the applications. All devices have two different terminal versions: Screw Connection Technology and Easy Connect Technology.

Rated control supply voltage 24-240V ac/dc
The device can monitor control circuits (single-phase) and main circuits (3-phase)
One measuring range 1-100 kΩ
Precise adjustment of the threshold value in 1kΩ steps
Interrupted wire detection
3 LEDs indicators of operational states
1 c/o (SPDT) contact, closed-circuit principle

Related links