RS PRO Phase/Voltage Monitoring Relays, 3 Phase, 155 to 500 V Monitor Range, 2 CO, DIN Rail, 500V

RS Stock No.:: 766-925
Manufacturer:: RS PRO

RS PRO Phase/Voltage Monitoring Relays, 3 Phase, 155 to 500 V Monitor Range, 2 CO, DIN Rail, 500V

Subtotal (1 unit)*

SGD135.20

(exc. GST)

SGD147.37

(inc. GST)

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In Stock

Plus 56 unit(s) shipping from 26 October 2026

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

Units	Per unit
1 +	SGD135.20

*price indicative

RS Stock No.:: 766-925
Manufacturer:: RS PRO

Specifications

Technical data sheets

Legislation and Compliance

Product Details

Find similar products by selecting one or more attributes.

Select all	Attribute	Value
	Brand	RS PRO
	Product Type	Phase/Voltage Monitoring Relays
	Function	Multifunction
	Electrical Phase	3
	Contact Configuration	2 CO
	Mount Type	DIN Rail
	Switching Voltage	240V ac, 30V ac
	Power Consumption	5W
	Terminal Type	Screw Terminal
	IP Rating	IP20, IP40
	Contact Current	5A
	Supply AC Voltage	500V
	Minimum Operating Temperature	-10°C
	Monitoring Voltage Range	155 to 500 V
	Maximum Operating Temperature	60°C
	Length	90mm
	Height	66.5mm
	Standards/Approvals	EN 60255 27
	Width	36mm
	Series	RS Pro

	Select all
	Brand RS PRO
	Product Type Phase/Voltage Monitoring Relays
	Function Multifunction
	Electrical Phase 3
	Contact Configuration 2 CO
	Mount Type DIN Rail
	Switching Voltage 240V ac, 30V ac
	Power Consumption 5W
	Terminal Type Screw Terminal
	IP Rating IP20, IP40
	Contact Current 5A
	Supply AC Voltage 500V
	Minimum Operating Temperature -10°C
	Monitoring Voltage Range 155 to 500 V
	Maximum Operating Temperature 60°C
	Length 90mm
	Height 66.5mm
	Standards/Approvals EN 60255 27
	Width 36mm
	Series RS Pro

RS PRO Datasheet

COO (Country of Origin):: CZ

RS PRO 3 Phase Voltage/Frequency Monitoring Relay

The RS PRO Voltage/Frequency Monitoring Relay is designed to ensure the stability and reliability of electrical systems by monitoring voltage and frequency levels. Ideal for use in industrial environments, it helps prevent equipment damage by detecting anomalies in power supply.

Features and Benefits

Multifunction: Provides comprehensive monitoring capabilities for voltage and frequency.
3 Phase Monitoring: Ensures balanced power distribution across all phases.
Wide Voltage Range: Operates effectively between 155 to 500 V for versatile applications.
DIN Rail Mount: Facilitates easy installation and integration into existing systems.
Screw Terminal: Offers secure and reliable connections.
Compact Design: Measures 90 mm in length, 66.5 mm in height, and 36 mm in width, saving space in control panels.
IP20/IP40 Rated: Provides protection against solid objects and limited dust ingress.

Applications

Industrial automation systems
Power distribution networks
Electrical control panels

Additional Information

Complies with EN 60255 27 standards for safety and performance.
Supports a supply voltage of up to 500 V AC.
Switching capability of 240 V AC and 30 V DC.

Why RS PRO?

RS PRO is the own brand of RS, offering professional quality products and solutions across all industries and technologies. Our product range is rigorously tested, inspected, and audited against demanding international standards to provide you with industrial-grade quality, at the right price. Making RS PRO your smart choice.