RS PRO Phase/Voltage Monitoring Relays, 1 Phase, 150 to 300 V ac Monitor Range, DIN Rail, 230V ac 270 V dc

RS Stock No.:: 558-898
Brand:: RS PRO

RS PRO Phase/Voltage Monitoring Relays, 1 Phase, 150 to 300 V ac Monitor Range, DIN Rail, 230V ac 270 V dc

Subtotal (1 unit)*

Kr. 505,56

(exc. VAT)

Kr. 631,95

(inc. VAT)

FREE delivery for online orders over 750,00 kr

In Stock

Plus 60 unit(s) shipping from 20 April 2026

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Units	Per unit
1 +	Kr. 505,56

*price indicative

RS Stock No.:: 558-898
Brand:: RS PRO

Specifications

Technical Reference

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
	Electrical Phase	1
	Function	Undervoltage Monitoring
	Mount Type	DIN Rail
	Power Consumption	2W
	Terminal Type	Screw
	IP Rating	IP40, IP20
	Supply AC Voltage	230V ac
	Contact Current	8A
	Supply DC Voltage	270 V dc
	Minimum Operating Temperature	-5°C
	Monitoring Voltage Range	150 to 300 V ac
	Maximum Operating Temperature	55°C
	Standards/Approvals	EC 60255-6, EC 60255-3, EC 60529, EC 60870-5
	Height	90mm
	Length	59.7mm
	Width	36mm

	Select all
	Brand RS PRO
	Product Type Phase/Voltage Monitoring Relays
	Electrical Phase 1
	Function Undervoltage Monitoring
	Mount Type DIN Rail
	Power Consumption 2W
	Terminal Type Screw
	IP Rating IP40, IP20
	Supply AC Voltage 230V ac
	Contact Current 8A
	Supply DC Voltage 270 V dc
	Minimum Operating Temperature -5°C
	Monitoring Voltage Range 150 to 300 V ac
	Maximum Operating Temperature 55°C
	Standards/Approvals EC 60255-6, EC 60255-3, EC 60529, EC 60870-5
	Height 90mm
	Length 59.7mm
	Width 36mm

COO (Country of Origin):: TR

RS PRO Voltage Monitoring Relay, 1 CO, 270-510 V AC

RS PRO Voltage Monitoring Relays are essential for safeguarding 1-phase or 3-phase systems against voltage fluctuations. Designed to detect phase loss, incorrect phase sequence, and control under/over voltage, these relays are crucial for maintaining system integrity and preventing equipment damage.

Features and Benefits

Protection Against Under/Over Voltage: Ensures system stability by monitoring and controlling voltage levels.

DIN Rail Mounting: Facilitates easy installation and integration into existing systems.

230 VAC or 400 VAC Operating Voltage: Offers flexibility for different voltage requirements.

Adjustable Time Delay (0.1-20 Sec): Provides customizable response times to suit various applications.

IP20 Terminals and IP40 Front Panel Protection Class: Enhances safety and durability in industrial environments.

1 X 8A CO or NO Relay Output: Delivers reliable switching capabilities for control circuits.

Applications

Protection of compressors

Electrical motors

Capacitors and compensation systems

Air conditioning and industrial cooling systems

Telecom base stations

Railway applications

Additional Information

Conforms to CE, cULus, DEKRA, IEC, IQNet, ISO EN 9000 standards

Screw terminal type for secure connections

Operating temperature range from -5 to 55 °C

Voltage sensing range from 270 to 510 V AC

Phase sensitivity for phase loss and phase sequence detection

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.