RS PRO Monitoring Relay, 3 Phase, 280/520 V ac Monitor Range, SPDT, DIN Rail, 280V ac, 520 V ac

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Subtotal (1 unit)*

£57.49

(exc. VAT)

£68.99

(inc. VAT)

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  • 42 unit(s) ready to ship
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  • Plus 30 unit(s) shipping from 04 June 2026
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Units
Per unit
1 - 4£57.49
5 - 9£55.19
10 - 24£54.61
25 +£51.74

*price indicative

RS Stock No.:
102-6135
Brand:
RS PRO
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Brand

RS PRO

Product Type

Monitoring Relay

Electrical Phase

3

Contact Configuration

SPDT

Mount Type

DIN Rail

Power Consumption

8VA

Terminal Type

Screw

Minimum Operating Temperature

-20°C

Monitoring Voltage Range

280/520 V ac

Supply AC Voltage

280, 520V ac

Contact Current

8A

Maximum Operating Temperature

60°C

Standards/Approvals

RoHS, cUL, IEC 60664, EN 61000-6-4

Height

89mm

Length

66.5mm

Series

L

Width

17.5mm

COO (Country of Origin):
GB

RS PRO Phase, Voltage Monitoring Relay With SPDT Contacts, 3 Phase, Undervoltage


RS PRO's three-phase monitoring relay helps protect your equipment from failure due to undervoltage. The relay uses microprocessor technology to measure phase-to-phase voltages, breaking the circuit connection when the voltage drops too low.

The relay is easily adjustable according to your specifications. You can adjust the minimum voltage requirement up to 280 V and add a time delay to prevent tripping due to momentary 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)

• Three phases

• Frequency sensing range of 48 to 63 Hz

• Operating temperature range of -20°C to +60°C

• Maximum voltage sensed of 280 V

• Phase and voltage monitoring application

• DIN rail mounting type

• One pole

• Special features include two LEDs for the indication of operational states, detection of incorrect phase sequence and phase loss, fixed time delay, fixed undervoltage trip level, measurement of phase-to-phase voltages, microprocessor-based relay, monitoring of own supply to detect an undervoltage condition on one or more phases, true RMS (Rotronic Monitoring System) monitoring

• Meets CE, EMC (electromagnetic compatibility), EN 61000-6, IEC standards

• Supply voltage of 280 to 520 V AC

• Screw terminal type

• Time delay of 100 ms

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