Best Phase Monitoring Relays Deals Online in the UK (25 Deals Found)

Last Updated - 23/08/2025 Sort By:

Best Choice
Vikye

New
Voltage Monitoring Relay, GRV8-04 3-Phase Voltage Monitoring Relay Phase Sequence Phase Failure Protection M460 35mm DIN
【Feature】 This relay can monitor own working voltage (true RMS measurement).

£25.81
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Keenso

New
GRV8-02 Monitor Relay,Single Phase Voltage Monitoring Relay Over Voltage AC/DC Voltage Monitoring for Phase Sequence Pro
Monitor voltage --- Monitor the working voltage (true RMS measurement).This Monitor Relay suitable for long-distance swi

£24.80
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Used
ABB Three Phase Monitoring Relays CM- PFS 2x no/nc Contacts Job Lot Of 4

£29.80
lvifloae

New
DPA51CM44 3 Phase Monitoring Relay 208-480VAC Wide Voltage Protection with Phase Sequence Out of Phase Detection for 3 P
【Strong anti-interference ability】: DPA51CM44 three-phase monitoring relay has outstanding anti-interference ability. In

£21.39
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New
Foxtam 11WRP 3 Phase Monitoring Plug In Relay
The Foxtam 11WRP 3 Phase Monitoring Plug In Relay is a 11-pin protection relay suitable for AC current. Manufactured by

£12.79
GAEYAELE

New
GAEYAELE Voltage Monitoring Relay Phase Sequence and Phase Failure Protection Relay AC127V-265V 10A 1SPDT(GRV8-03,M265)
Function Feature:Controls its own supply voltage(True RMS measurement).

£13.99
Best Value
SIEMENS

New
3UG4615-1CR20 | SIEMENS DIGITAL MONITORING RELAY 3-PHASE SUPPLY VOLTAGE

£297.57
New
CARLO GAVAZZI 3 Phase monitoring relay DPA51 CM44
This 3 phase monitoring relay from Carlo Gavazzi is a reliable and efficient choice for any electrical equipment. The DP

£83.88
Kuuleyn

New
Kuuleyn Phase Sequence, Phase Monitoring Relays, 3 Phase Circuit Protection Voltage Monitoring Relay Phase Failure Seque
【Introduction】The protector base adopts 35mm rail type or device type, and has two screw hole structures inside, which c

£26.19
New
Omron K8AK-PH1 MEASURING AND MONITORING RELAY. 3 PHASE LOSS RELAY
The Omron K8AK-PH1 Measuring and Monitoring Relay is a reliable 3-phase loss relay designed for electrical equipment and

£52.67
Walfront

New
DPA51CM44 3-Phase Monitoring Relay, Current/Voltage Monitoring Relay Phase Sequence Protector for three-phase System, Wi
Small Size: This 3-Phase Monitoring Relay has a small compact size for easy and convenient use and install, and the size

£18.11
YWBL-WH

New
3-Phase Monitoring Relay 380V AC 50Hz 3 Phase Sequence Relay Protector Voltage Protective Relay with Digital Display Ove
MAIN FUNCTION---The 3-phase monitoring relay could achieve real-time monitoring of motor over-current, under-current, ph

£21.63
New
Schneider Electric Phase, Voltage Monitoring Relay, 3 Phase, DPDT, 380 - 480V ac

£52.01
Elprico

New
Phase Sequence Protector, JVRD6 Phase Sequence Protection Relay Monitoring Voltage Control Device With 2 Indicator Light
✪✪✪✪✪ [Standardization] Standard modular construction and guide type installation.

£18.06
New
M3PR 300-500VAC Boyce Control Voltage Monitoring Relay 3 Phase Sequence Failure
M3PR 300-500VAC Boyce Control Voltage Monitoring Relay 3 Phase Sequence Failure

£69.99
DEWIN

New
DEWIN Voltage Monitoring Relay, Phase Monitoring Relays GRV8-03 M460 Voltage Monitoring Relay Phase Sequence and Phase F
【Function】: The voltage monitoring relay can monitor its own working voltage, and has phase sequence protection and phas

£14.69
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New
1 pcs - Carlo Gavazzi Current Monitoring Relay, 1 Phase, SPST, DIN Rail

£21.48
New
5 x Eaton TRLU3 Three Phase 3P+N Undervoltage Monitoring Relays w/ Time Delay

£140.00
New
SINGLE PHASE VOLTAGE MONITORING RELAY 240V
About SCL Components. 3% Fixed Hysteresis. 1 x SPDT Output, 10A AC1.

£32.54
New
GEYA GRV8-10 3 Phase Voltage Monitoring Relay 8A/AC1 2SPDT With Phase Protection
We have more than ten years of production experience and have CE, CB and other international certifications. Customizati

£29.47
New
GRV8-04 3-Phase Voltage Monitoring Relay Phase Sequence Phase Failure Protection
Phase sequence protection: Yes. Relay working status is indicated by LED indicators. Phase failure protection: Yes. Outp

£19.26
New
GEYA Three Phase Voltage Monitoring Relay 3 Phase Protection 10A/AC1 127-467VAC
We have more than ten years of production experience and have CE, CB and other international certifications. Customizati

£24.31
New
SCHNEIDER ELECTRIC RM22TA33 PHASE MONITORING RELAY FREE FAST SHIPPING
SCHNEIDER ELECTRIC RM22TA33 PHASE MONITORING RELAY. Also feel free to send any marine related product inquiry will try t

£76.98
New
SIEMENS SIRIUS 3UG4513-1BR20 PHASE MONITORING RELAY
PHASE MONITORING RELAY.

£126.83
Used
Carlo Gavazzi DPA01DM48B004 DPA01 3 Phase Monitoring Relay
Please see pictures for more details

£52.68

25 Phase Monitoring Relays deals are available from: Amazon, eBay stores, starting from £12.79.
The biggest discount we found is 10%% on Voltage Monitoring Relay, GRV8-04 3-Phase Voltage Monitoring Relay Phase Sequence Phase Failure Protection M460 35mm DIN rail Mounting at Amazon.
The lowest price we found is £12.79 while the highest is £297.57.
Prices for the best Phase Monitoring Relays deals average at £52.28.
Last updated on August 23, 2025.
We scanned these quality online stores and more to deliver you with the best offers online available for Phase Monitoring Relays.