ABB Monitoring Relay, 3, 1 Phase, SPST, DIN Rail, 440V ac

RS Stock No.:: 442-9455
Mfr. Part No.:: 1SVR550881R9400
Manufacturer:: ABB

ABB Monitoring Relay, 3, 1 Phase, SPST, DIN Rail, 440V ac

View all Monitoring Relays

Subtotal (1 unit)*

SGD129.24

(exc. GST)

SGD140.87

(inc. GST)

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In Stock

Plus 8 unit(s) shipping from 20 April 2026

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Units	Per unit
1 +	SGD129.24

*price indicative

RS Stock No.:: 442-9455
Mfr. Part No.:: 1SVR550881R9400
Manufacturer:: ABB

Specifications

Technical data sheets

Legislation and Compliance

Product Details

Find similar products by selecting one or more attributes.

Select all	Attribute	Value
	Brand	ABB
	Product Type	Monitoring Relay
	Electrical Phase	3, 1
	Function	Undervoltage Monitoring, Phase Failure Detection
	Contact Configuration	SPST
	Mount Type	DIN Rail
	Terminal Type	Screw
	IP Rating	IP20, IP50
	Minimum Operating Temperature	-20°C
	Supply AC Voltage	440V ac
	Maximum Operating Temperature	60°C
	Width	22.5mm
	Height	78mm
	Series	CM-PBE
	Length	78.5mm
	Standards/Approvals	CE, CSA, UL

	Select all
	Brand ABB
	Product Type Monitoring Relay
	Electrical Phase 3, 1
	Function Undervoltage Monitoring, Phase Failure Detection
	Contact Configuration SPST
	Mount Type DIN Rail
	Terminal Type Screw
	IP Rating IP20, IP50
	Minimum Operating Temperature -20°C
	Supply AC Voltage 440V ac
	Maximum Operating Temperature 60°C
	Width 22.5mm
	Height 78mm
	Series CM-PBE
	Length 78.5mm
	Standards/Approvals CE, CSA, UL

COO (Country of Origin):: BG

ABB Monitoring Relay, Screw Terminal Type, 150ms Time Delay - CM-PBE Series - 1SVR550881R9400

Fazed by phase anomalies? Restore balance to your electrical circuits with this monitoring relay from ABB. It helps prevent damage to delicate components by watching out for fault conditions in your power supply and disconnecting the load if it detects a problem. Thanks to a zippy 40ms response time, you can rest assured your equipment is protected in the event of phase loss or overvoltage. Compact dimensions of just 78.5 (L) x 22.5 (W) x 78mm (H) mean it fits comfortably in your control cabinet, even when space is tight. To simplify your setup, this handy gadget is powered by the measuring circuit, so it doesn't need a separate supply to run.

Features & Benefits

• Handy LED indicator gives you at-a-glance status information

• 150ms time delay helps to prevent nuisance trips

• Straightforward screw terminal contacts provide secure electrical connections in a jiffy

• IP50-rated housing is dustproof for use in demanding industrial environments

• DIN-rail mounted for easy installation

Applications

• Motor control

• Manufacturing plants

• Data centres

Can I use this relay with single-phase systems?

Absolutely. As this device also features a neutral monitoring function, it's suitable for use with both single-phase and three-phase systems.