RS PRO Monitoring Relay, 1 Phase, 120/300 V Monitor Range, SPST, DIN Rail, 230V ac

RS Stock No.:: 434-521
Manufacturer:: RS PRO

RS PRO Monitoring Relay, 1 Phase, 120/300 V Monitor Range, SPST, DIN Rail, 230V ac

Subtotal (1 unit)*

SGD71.15

(exc. GST)

SGD77.55

(inc. GST)

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In Stock

Plus 23 unit(s) shipping from 04 May 2026

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Units	Per unit
1 +	SGD71.15

*price indicative

RS Stock No.:: 434-521
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	Monitoring Relay
	Function	Undervoltage Monitoring
	Electrical Phase	1
	Contact Configuration	SPST
	Mount Type	DIN Rail
	IP Rating	IP20
	Supply AC Voltage	230V ac
	Monitoring Voltage Range	120/300 V
	Minimum Operating Temperature	-20°C
	Maximum Operating Temperature	55°C
	Standards/Approvals	CE-UKCA ROHS-3
	Length	52.9mm
	Height	90.3mm
	Width	67.5mm

	Select all
	Brand RS PRO
	Product Type Monitoring Relay
	Function Undervoltage Monitoring
	Electrical Phase 1
	Contact Configuration SPST
	Mount Type DIN Rail
	IP Rating IP20
	Supply AC Voltage 230V ac
	Monitoring Voltage Range 120/300 V
	Minimum Operating Temperature -20°C
	Maximum Operating Temperature 55°C
	Standards/Approvals CE-UKCA ROHS-3
	Length 52.9mm
	Height 90.3mm
	Width 67.5mm

RS PRO Voltage Control Relay, Digital Adjustable Mono Phase

This RS PRO Voltage Control Relay is designed to protect devices with sensitive operating voltage from damage caused by mains voltage fluctuations. It offers digital adjustability for over and under voltage control, making it ideal for ensuring the safety and reliability of electrical systems.

Features and Benefits

Error Waiting Time: Adjustable from 0.1 sec to 600 sec, allowing for precise control and flexibility

Built-in current transformer: Enhances functionality by integrating current measurement

Built-in contactor: Simplifies installation and reduces the need for additional components

Voltage Sensing Range: 120 to 300 V, suitable for a wide range of applications

DIN Rail Mount: Easy installation and integration into existing systems

Single Phase Operation: Designed for mono phase systems, ensuring compatibility

Applications

Industrial automation

Electrical distribution systems

Building management systems

Additional Information

RoHS-3 certified for hazardous area compliance

CE standards met for quality assurance

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.