RS PRO Voltage Monitoring Relay, 1 Phase, SPDT, DIN Rail

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Subtotal (1 unit)*

£59.36

(exc. VAT)

£71.23

(inc. VAT)

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  • 32 unit(s) ready to ship
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  • Plus 30 unit(s) shipping from 31 October 2025
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Units
Per unit
1 - 4£59.36
5 - 9£56.98
10 - 24£56.39
25 +£53.42

*price indicative

RS Stock No.:
102-6131
Brand:
RS PRO
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Brand

RS PRO

Monitoring Application

Voltage

Electrical Phase

1

Contact Configuration

SPDT

Voltage Sensitivity

Overvoltage, Undervoltage

Mounting Type

DIN Rail

Time Delay

0.2 → 10s

Frequency Sensing Range

48 → 63Hz

Series

L

Length

66.5mm

Minimum Frequency Sensed

48Hz

Operating Temperature Range

+60°C

Maximum Frequency Sensed

63Hz

Height

89mm

Terminal Type

Screw

Dimensions

17.5 x 66.5 x 89mm

Maximum Operating Temperature

+60°C

Width

17.5mm

Minimum Operating Temperature

-20°C

Special Features

2 LEDs for the Indication of Operational States, Adjustment for Time Delay, Adjustment for Undervoltage Trip Level, Microprocessor Based Relay, Monitors Own Supply & Detects if The Supply Exceeds The Set Under or Over Voltage Trip Levels, True RMS Monitoring

Number of Poles

1

COO (Country of Origin):
GB

RS PRO Voltage Monitoring Relay With SPDT Contacts, 1 Phase, Overvoltage, Undervoltage


This monitoring relay from RS PRO trips a circuit breaker when the voltage supply drops too low or exceeds a certain level. It's used to prevent damage to equipment in the event of abnormal voltage conditions.
The microprocessor-based relay has red and green LED lights that allow you to clearly see the relay and supply status. To ensure safe operation, it senses undervoltage ranging from 173 V to 218 V and overvoltage ranging from 242 V to 288 V. It also allows for a time delay adjustment to prevent tripping from temporary dips in voltage.

Features and Benefits


• SPDT (Single Pole Double Throw) contact configuration
• Dimensions of 66.5 (length) x 17.5 (width) x 89 mm (height)
• One phase
• Frequency sensing range of 48 to 63 Hz
• DIN rail mounting type
• One pole
• Operating temperature range of -20°C to +60°C
• Special features include two LEDs to indicate operational states, adjustment for time delay, adjustment for undervoltage trip level, microprocessor-based relay, monitoring of own supply to detect if it exceeds the set under or overvoltage trip levels, true RMS (rotronic monitoring system) monitoring
• Meets CE, EMC (electromagnetic compatibility), EN 61000-6 and IEC standards
• Supply voltage of 230 V AC
• Screw terminal type
• Time delay of 0.2 to 10 s

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