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ABB Insulation Monitoring Relay, 1, 3 Phase, SPDT, 0 → 400V ac, DIN Rail

RS Stock No.:: 806-5913
Mfr. Part No.:: 1SVR730670R0200 CM-IWS.2S
Brand:: ABB

ABB Insulation Monitoring Relay, 1, 3 Phase, SPDT, 0 → 400V ac, DIN Rail

View all Monitoring Relays

Save 20% when you buy 50 units

Subtotal (1 unit)*

£214.24

(exc. VAT)

£257.09

(inc. VAT)

FREE delivery for orders over £50.00

In Stock

Plus 1 unit(s) shipping from 30 September 2025
Plus 1 unit(s) shipping from 30 September 2025
Plus 4 unit(s) shipping from 23 October 2025

Need more? Click ‘Check delivery dates’ to find extra stock and lead times.

Units	Per unit
1 - 4	£214.24
5 - 9	£203.54
10 - 24	£192.83
25 - 49	£182.10
50 +	£171.39

*price indicative

Alternative

This product is not currently available. Here is our alternative recommendation.

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

RS Stock No.: 806-5910

Each

£275.10

(exc. VAT)

£330.12

(inc. VAT)

RS Stock No.:: 806-5913
Mfr. Part No.:: 1SVR730670R0200 CM-IWS.2S
Brand:: ABB

Find similar products by selecting one or more attributes.

Select all	Attribute	Value
	Brand	ABB
	Monitoring Application	Insulation
	Electrical Phase	1, 3
	Contact Configuration	SPDT
	Voltage Sensing Range	0 → 400V ac
	Mounting Type	DIN Rail
	Series	CM-IWS
	Terminal Type	Screw
	Maximum Operating Temperature	+60°C
	Minimum Operating Temperature	-25°C
	Length	103.7mm
	Maximum Voltage Sensed	400V ac
	Minimum Voltage Sensed	0V ac
	Width	22.5mm
	Dimensions	103.7 x 22.5 x 85.6mm
	Height	85.6mm
	Standards Met	UL
	Operating Temperature Range	-25 → +60°C

	Select all
	Brand ABB
	Monitoring Application Insulation
	Electrical Phase 1, 3
	Contact Configuration SPDT
	Voltage Sensing Range 0 → 400V ac
	Mounting Type DIN Rail
	Series CM-IWS
	Terminal Type Screw
	Maximum Operating Temperature +60°C
	Minimum Operating Temperature -25°C
	Length 103.7mm
	Maximum Voltage Sensed 400V ac
	Minimum Voltage Sensed 0V ac
	Width 22.5mm
	Dimensions 103.7 x 22.5 x 85.6mm
	Height 85.6mm
	Standards Met UL
	Operating Temperature Range -25 → +60°C

ABB CM-IWS Series Monitoring Relay, Voltage Sensing Range 0 to 400V AC, -25 to +60°C Operating Temperature Range - 1SVR730670R0200 CM-IWS.2S

This monitoring relay is designed to monitor insulation resistance in unearthed IT AC systems, functioning effectively within a voltage range of up to 400 V AC. With compact dimensions of 103.7mm x 22.5mm x 85.6mm, it is suitable for DIN Rail mounting and operates within an ambient temperature range of -25°C to +60°C. The robust design ensures reliability in a variety of industrial applications.

Features & Benefits

• Monitors insulation resistance up to 100 kΩ for safety
• Versatile voltage sensing from 24 V to 240 V AC/DC
• Equipped with one changeover (SPDT) contact for flexibility
• Utilises screw terminals for secure connections
• Suitable for 1, 3 electrical phase configurations
• Complies with BS 508 standards for safety assurance

Applications

• Used in electrical installations for insulation monitoring
• Employed in industrial automation systems for fault detection
• Suitable for maintenance of ungrounded AC systems
• Ideal for compliance with safety regulations in electrical engineering

How does this relay enhance safety in electrical systems?

The relay continuously monitors insulation resistance, providing alerts for any faults that may compromise safety. By ensuring insulation integrity, it reduces the risk of electric shock and equipment damage in industrial environments.

What are the installation requirements for this relay?

This relay is designed for DIN Rail mounting, complying with standard IEC 60715. It requires a few basic tools for installation and can accommodate various wire sizes, ensuring ease of installation in different settings.

What maintenance is necessary to ensure optimal performance?

Regular inspection of the insulation monitoring relay is recommended to check for any physical damage or loose connections at the terminals. Additionally, periodic testing of insulation resistance can help maintain its operational integrity.

Can this relay be used in different voltage applications?

Yes, it can function within a voltage sensing range of 24 V to 240 V AC/DC, making it suitable for various applications across different electrical systems.

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