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Monitoring Relays

Monitoring relays are a type of relay that trips a circuit breaker when a fault is detected. A relay is an electrically controlled switch that is used to turn the power on or off in a circuit.


Monitoring relays are more sophisticated than regular relays, as they have adjustable operating conditions, whereas normal relays switch according to a fixed threshold. They measure a gi...

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Eaton Phase, Voltage Monitoring Relay
RS Stock No. 179-3516
Brand Eaton
Manufacturers Part No. 184789 & EMR6-F500-G-1

£ 110.38

Each

Add to basket
Eaton
Phase, Voltage
-
-
-
-
-
200 → 500V ac
-
-
-
-
-
-
-
50 → 60Hz
DIN Rail
Screw
-25°C
109.5mm
+60°C
-25 → +60°C
EMR6
-
-
-
22.5mm
78mm
50Hz
-
500V ac
200V ac
-
22.5 x 109.5 x 78mm
-
Phoenix Contact Monitoring Relay
RS Stock No. 181-2030
Brand Phoenix Contact
Manufacturers Part No. 2963598

£ 100.99

Each

Add to basket
Phoenix Contact
-
-
-
-
-
-
19.2 → 28.8V dc
-
-
-
-
-
-
-
-
-
Screw
-20°C
99mm
+60°C
-20 → +60°C
-
3mA
-
-
12.5mm
114.5mm
-
-
-
-
-
12.5 x 99 x 114.5mm
-
Carlo Gavazzi Monitoring Relay With SPDT Contacts, 3 Phase
RS Stock No. 209-8593
Brand Carlo Gavazzi
Manufacturers Part No. DPC02DM44

£ 251.62

Each

Add to basket
Carlo Gavazzi
-
-
SPDT
-
3
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
DPC02
-
-
-
-
-
-
-
-
-
-
-
-
Carlo Gavazzi Voltage Monitoring Relay With SPDT Contacts, 3 Phase
RS Stock No. 209-8592
Brand Carlo Gavazzi
Manufacturers Part No. DPC01DM44

£ 224.20

Each

Add to basket
Carlo Gavazzi
Voltage
-
SPDT
-
3
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
DPC01
-
-
-
-
-
-
-
-
-
-
-
-
Dold Insulation Monitoring Relay With DPDT Contacts
RS Stock No. 181-2772
Brand Dold
Manufacturers Part No. MK5880N.12 AC50-400Hz 220-240V 5-100kOhm

£ 213.13

Each

Add to basket
Dold
Insulation
-
DPDT
-
-
-
0 → 500V ac
-
-
-
-
-
-
-
50 → 400Hz
DIN Rail
Screw
-20°C
97mm
+60°C
-20 → +60°C
MK5880N
-
-
-
22.5mm
90mm
50Hz
-
500V ac
0V ac
-
22.5 x 97 x 90mm
-
Schneider Electric Phase Monitoring Relay With DPDT Contacts, 3 Phase, Overvoltage
RS Stock No. 179-9432
Brand Schneider Electric
Manufacturers Part No. RM22TA33

£ 105.85

Each

Add to basket
Schneider Electric
Phase
-
DPDT
Overvoltage
3
-
<100V ac
-
-
-
-
30s
-
-
-
DIN Rail
Screw
-20°C
79.5mm
-
-
Zelio Control
10 mA, 8A
-
-
22.9mm
90mm
-
-
480V ac
380V ac
-
22.9 x 79.5 x 90mm
-
Eaton Insulation Monitoring Relay
RS Stock No. 179-3538
Brand Eaton
Manufacturers Part No. 184772 & EMR6-R250-A-1

£ 271.34

Each

Add to basket
Eaton
Insulation
-
-
-
-
-
0 → 250 V ac, 0 → 300V dc
-
-
-
-
-
-
-
-
DIN Rail
Screw
-25°C
109.5mm
+60°C
-25 → +60°C
EMR6
-
-
-
22.5mm
78mm
-
-
250 V ac, 300V dc
0V ac/dc
-
22.5 x 109.5 x 78mm
-
Eaton Current Monitoring Relay, 1 Phase
RS Stock No. 179-3519
Brand Eaton
Manufacturers Part No. 184754 & EMR6-I15-A-1

£ 222.85

Each

Add to basket
Eaton
Current
-
-
-
1
-
-
-
0.3 A, 1 A, 3A
1.5 A, 5 A, 15A
-
0.1 → 30s
-
-
-
DIN Rail
Screw
-25°C
109.5mm
+60°C
-25 → +60°C
EMR6
0.3 → 1.5 A, 1 → 5 A, 3 → 15A
-
-
22.5mm
78mm
-
-
-
-
-
22.5 x 109.5 x 78mm
-
Broyce Control Phase Voltage Monitoring Relay With SPDT Contacts, 3 Phase
RS Stock No. 188-3540
Brand Broyce Control
Manufacturers Part No. LPRC/2-NFC

£ 109.05

Each

Add to basket
Broyce Control
Phase Voltage
-
SPDT
-
3
-
-
-
-
-
-
-
-
-
-
DIN Rail Mount
Screw
-
17.5mm
-
-
-
-
-
2
-
-
-
-
-
-
-
-
-
Eaton Current Monitoring Relay, 1 Phase
RS Stock No. 179-3518
Brand Eaton
Manufacturers Part No. 184790 & EMR6-I1-A-1

£ 222.85

Each

Add to basket
Eaton
Current
-
-
-
1
-
-
-
0.003 A, 0.01 A, 0.1A
0.03 A, 0.1 A, 1A
-
0.1 → 30s
-
-
-
DIN Rail
Screw
-25°C
109.5mm
+60°C
-25 → +60°C
EMR6
0.003 → 0.03 A, 0.01 → 0.1 A, 0.1 → 1A
-
-
22.5mm
78mm
-
-
-
-
-
22.5 x 109.5 x 78mm
-
Eaton Phase, Voltage Monitoring Relay
RS Stock No. 179-3536
Brand Eaton
Manufacturers Part No. 184770 & EMR6-AWN280-D-1

£ 222.28

Each

Add to basket
Eaton
Phase, Voltage
-
-
-
-
-
180 → 280V ac
-
-
-
-
0.1 → 30s
-
-
50 → 60Hz
DIN Rail
Screw
-25°C
109.5mm
+60°C
-25 → +60°C
EMR6
-
-
-
22.5mm
78mm
50Hz
-
280V ac
180V ac
-
22.5 x 109.5 x 78mm
-
Broyce Control Voltage PTC Thermistor Temperature Relay With SPDT Contacts
RS Stock No. 188-3543
Brand Broyce Control
Manufacturers Part No. LTMR 100-230V AC/DC

£ 57.08

Each

Add to basket
Broyce Control
Voltage
-
SPDT
-
-
-
-
-
-
-
-
-
-
-
48 → 63Hz
DIN Rail Mount
Screw
-20°C
66.5mm
+60°C
-20 → +60°C
-
Maximum of 5A
-
1
17.5mm
89mm
48Hz
-
-
-
-
17.5 x 66.5 x 89mm
-
Carlo Gavazzi Voltage Monitoring Relay With SPDT Contacts, 3 Phase
RS Stock No. 209-8590
Brand Carlo Gavazzi
Manufacturers Part No. DPB01CM44

£ 164.74

Each

Add to basket
Carlo Gavazzi
Voltage
-
SPDT
-
3
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
DPB01
-
-
-
-
-
-
-
-
-
-
-
-
Eaton Monitoring Relay
RS Stock No. 179-3526
Brand Eaton
Manufacturers Part No. 184760 & EMR6-PH45

£ 10.74

Each

Add to basket
Eaton
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
22.5mm
-
-
EMR6
-
-
-
-
-
-
-
-
-
-
-
-
Siemens Current Monitoring Relay With SPNO Contacts
RS Stock No. 203-2074
Brand Siemens
Manufacturers Part No. 3RF2920-0FA08

£ 93.14

Each

Add to basket
Siemens
Current
-
SPNO
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
3RF2920
-
-
-
-
-
-
-
-
-
-
-
-
Broyce Control Voltage Logic Load Sharing Relay with NFC With 3NO Contacts
RS Stock No. 188-3541
Brand Broyce Control
Manufacturers Part No. LR44/5N 100-230V AC/DC

£ 69.06

Each

Add to basket
Broyce Control
Voltage
-
3NO
-
-
-
-
-
-
-
-
-
-
-
-
DIN Rail Mount
Screw
-
-
-
-
-
Maximum of 5A
-
1
44mm
-
-
-
-
-
-
-
-
Eaton Level Monitoring Relay
RS Stock No. 179-3524
Brand Eaton
Manufacturers Part No. 184758 & EMR6-N100-N-1

£ 111.43

Each

Add to basket
Eaton
Level
-
-
-
-
-
-
-
-
-
-
-
-
-
-
DIN Rail
Screw
-25°C
110mm
+60°C
-25 → +60°C
EMR6
-
-
-
23mm
85mm
-
-
-
-
-
23 x 110 x 85mm
-
Eaton Phase, Voltage Monitoring Relay
RS Stock No. 179-3546
Brand Eaton
Manufacturers Part No. 184778 & EMR6-W400-M-1

£ 170.29

Each

Add to basket
Eaton
Phase, Voltage
-
-
-
-
-
-
-
-
-
-
0.1 → 30s
-
-
50 → 60Hz
DIN Rail
Screw
-25°C
109.5mm
+60°C
-25 → +60°C
EMR6
-
-
-
22.5mm
78mm
50Hz
-
400V ac
-
-
22.5 x 109.5 x 78mm
-
Phoenix Contact Current Monitoring Relay
RS Stock No. 181-2031
Brand Phoenix Contact
Manufacturers Part No. 2903241

£ 388.68

Each

Add to basket
Phoenix Contact
Current
-
-
-
-
-
-
-
0A
20A
-
-
-
-
-
-
Screw
-20°C
102mm
+70°C
-20 → +70°C
SCK-M-I-8S-20A
50mA
-
-
22.5mm
128.5mm
-
-
-
-
-
22.5 x 102 x 128.5mm
-
Schneider Electric Phase Monitoring Relay With DPDT Contacts, 3 Phase, Overvoltage
RS Stock No. 179-9433
Brand Schneider Electric
Manufacturers Part No. RM22TG20

£ 69.06

Each

Add to basket
Schneider Electric
Phase
-
DPDT
Overvoltage
3
-
<100V ac
-
-
-
Phase Failure, Phase Sequence
-
-
-
-
DIN Rail
Screw
-20°C
79.5mm
-
-
Zelio Control
10 mA, 8A
-
-
22.9mm
90mm
-
-
528V ac
183V ac
-
22.9 x 79.5 x 90mm
-

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