Find similar products by selecting one or more attributes.

Select all	Attribute	Value
	Brand	ABB
	Product Type	Monitoring Relay
	Electrical Phase	3
	Contact Configuration	DPDT
	Mount Type	DIN Rail
	Power Consumption	18VA
	Switching Voltage	280 V ac
	Terminal Type	Screw
	IP Rating	IP20
	Supply AC Voltage	280 V ac
	Minimum Operating Temperature	-25°C
	Maximum Operating Temperature	60°C
	Width	22.5 mm
	Height	85.6mm
	Standards/Approvals	RoHS
	Length	103.7mm
	Series	CM-MPS

	Select all
	Brand ABB
	Product Type Monitoring Relay
	Electrical Phase 3
	Contact Configuration DPDT
	Mount Type DIN Rail
	Power Consumption 18VA
	Switching Voltage 280 V ac
	Terminal Type Screw
	IP Rating IP20
	Supply AC Voltage 280 V ac
	Minimum Operating Temperature -25°C
	Maximum Operating Temperature 60°C
	Width 22.5 mm
	Height 85.6mm
	Standards/Approvals RoHS
	Length 103.7mm
	Series CM-MPS

COO (Country of Origin):: DE

ABB CM-MPS Series Monitoring Relay, DPDT Contact Configuration, 180 to 280V AC Voltage Sensing Range - 1SVR730885R3300 CM-MPS.21S

This monitoring relay is a multifunctional device from the CM-MPS series, designed for effective monitoring in three-phase applications. With dimensions of 103.7 x 22.5 x 85.6mm, it operates within a voltage sensing range of 180-280 V AC and can handle electrical phases of up to three. The relay provides essential protection against voltage fluctuations and phase-related issues, ensuring system reliability.

Features & Benefits

• Monitors overvoltage and undervoltage conditions

• Detects phase imbalance and phase failure

• Adjustable tripping delay between 0 and 30 seconds

• Utilises DPDT contact configuration for versatile applications

• Suitable for mounting on standard DIN rails

• Wide operating temperature range from -25 to +60°C

Applications

• Used in industrial automation systems

• Suitable for three-phase electrical supply monitoring

• Employed in settings requiring phase sequence verification

• Ideal for needing neutral interruption detection

How does the adjustable tripping delay enhance reliability in operations?

The adjustable tripping delay allows custom configuration between instantaneous and 30 seconds, enabling users to optimise the response time to faults without unnecessary interruptions. This ensures a fine balance between prompt action and avoiding nuisance tripping during transient conditions.

What are the key advantages of utilising a DPDT configuration?

The DPDT configuration offers flexibility by allowing two separate circuits to be managed simultaneously, providing enhanced control over monitoring and switching operations in various applications. This is particularly beneficial in complex systems where multiple conditions need to be monitored at once.

In which scenarios should the voltage sensitivity features be applied?

These voltage sensitivity features are crucial in environments prone to fluctuations, ensuring that equipment operates only within safe voltage limits. By monitoring both over and undervoltage events, it protects machinery from damage and enhances operational safety.

ABB Monitoring Relay, 3 Phase, DPDT, DIN Rail, 280 V ac

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