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
Manufacturer:: ABB

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

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

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.

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