Monitoring Relays

  • What are Monitoring Relays?

    Monitoring relays are electrical devices that are used to monitor various parameters in a power system, such as voltage, current, temperature, and frequency, and trigger an alarm or action if the values go beyond a preset threshold. They are designed to detect abnormal operating conditions in a system and alert operators or take corrective action to pre...

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RS PRO Monitoring Relay, 1 Phase, 120/300 V Monitor Range, SPST, DIN Rail, 230V ac
RS PRO Monitoring Relay, 1 Phase, 120/300 V Monitor Range, SPST, DIN Rail, 230V ac
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RS Stock No.: 434-521Brand: RS PRO

€ 55.47

€ 55.47 Each (Exc. Vat)

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1€ 55.47
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RS Pro
Monitoring Relay
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-
Undervoltage Monitoring
-
1
SPST
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-
-
DIN Rail
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-
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-
IP20
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-
-
-20°C
230V ac
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-
-
-
-
-
-
120/300 V
55°C
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67.5mm
52.9mm
-
CE-UKCA ROHS-3
90.3mm
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-
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-
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-
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-
RS PRO Monitoring Relay, 1 Phase, DIN Rail
RS PRO Monitoring Relay, 1 Phase, DIN Rail
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RS Stock No.: 132-171Brand: RS PRO

€ 28.24

€ 28.24 Each (Exc. Vat)

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1

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1€ 28.24
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RS Pro
Monitoring Relay
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1
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-
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-
DIN Rail
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-
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2 s
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-20°C
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55°C
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23mm
90mm
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No
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SSR
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RS PRO Monitoring Relay, 1 Phase, DIN Rail
RS PRO Monitoring Relay, 1 Phase, DIN Rail
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RS Stock No.: 132-174Brand: RS PRO

€ 30.62

€ 30.62 Each (Exc. Vat)

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1

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1€ 30.62
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RS Pro
Monitoring Relay
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1
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-
DIN Rail
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No
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RS PRO Monitoring Relay, 1 Phase, DIN Rail, 220V ac
RS PRO Monitoring Relay, 1 Phase, DIN Rail, 220V ac
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RS Stock No.: 122-210Brand: RS PRO

€ 21.71

€ 21.71 Each (Exc. Vat)

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1

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1€ 21.71
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RS Pro
Monitoring Relay
-
-
Undervoltage Monitoring
-
1
-
-
-
-
DIN Rail
-
6VA
250V ac
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-
-
-
-
IP20
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-
-
-20°C
220V ac
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-
-
-
-
-
5A
-
55°C
-
35.6mm
94.6mm
-
2006/95/EC - 2004/108/EC
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GKM
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-
-
-
-
-
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-
RS PRO Monitoring Relay, 1 Phase, DIN Rail, 220V ac
RS PRO Monitoring Relay, 1 Phase, DIN Rail, 220V ac
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RS Stock No.: 122-215Brand: RS PRO

€ 29.12

€ 29.12 Each (Exc. Vat)

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1

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1€ 29.12
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RS Pro
Monitoring Relay
-
-
Undervoltage Monitoring
-
1
-
-
-
-
DIN Rail
-
6VA
250V ac
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-
-
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-
IP20
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-
-
-20°C
220V ac
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-
-
-
-
-
5A
-
55°C
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35.4mm
9mm
-
2006/95/EC - 2004/108/EC
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DKG
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-
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RS PRO Monitoring Relay, 3 Phase, 150/260 V ac Monitor Range, DIN Rail, 150V ac, 260 V ac
RS PRO Monitoring Relay, 3 Phase, 150/260 V ac Monitor Range, DIN Rail, 150V ac, 260 V ac
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RS Stock No.: 122-217Brand: RS PRO

€ 13.93

€ 13.93 Each (Exc. Vat)

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1

Available in multiples of 1
1€ 13.93
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RS Pro
Monitoring Relay
-
-
Plug
-
3
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-
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-
DIN Rail
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-
-
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-
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-20°C
150, 260V ac
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-
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-
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150/260 V ac
55°C
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23mm
95mm
-
2006/95/EC - 2004/108/EC
6mm
FKV
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-
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-
RS PRO Monitoring Relay, 3 Phase, 230/460 V Monitor Range, SPDT, DIN Rail, 380V ac
RS PRO Monitoring Relay, 3 Phase, 230/460 V Monitor Range, SPDT, DIN Rail, 380V ac
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RS Stock No.: 434-520Brand: RS PRO

€ 44.18

€ 44.18 Each (Exc. Vat)

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1

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1€ 44.18
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RS Pro
Monitoring Relay
-
-
Undervoltage Monitoring
-
3
SPDT
-
-
-
DIN Rail
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-
-
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-
-
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-
IP20
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-
-
-20°C
380V ac
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-
-
-
-
-
-
230/460 V
55°C
-
84.5mm
44mm
-
ROHS-3, CE-UKCA
75mm
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-
-
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RS PRO Monitoring Relay, 3 Phase, 380 V ac Monitor Range, DIN Rail, 380V ac
RS PRO Monitoring Relay, 3 Phase, 380 V ac Monitor Range, DIN Rail, 380V ac
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RS Stock No.: 122-216Brand: RS PRO

€ 19.08

€ 19.08 Each (Exc. Vat)

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1€ 19.08
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RS Pro
Monitoring Relay
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-
Plug
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3
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-
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-
DIN Rail
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4VA
250V ac
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-
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IP20
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-
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-20°C
380V ac
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-
-
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5A
380 V ac
55°C
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23mm
95mm
-
2006/95/EC - 2004/108/EC
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FKV
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-
RS PRO Monitoring Relay, 3 Phase, DIN Rail
RS PRO Monitoring Relay, 3 Phase, DIN Rail
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RS Stock No.: 132-173Brand: RS PRO

€ 23.72

€ 23.72 Each (Exc. Vat)

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1

Available in multiples of 1
1€ 23.72
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RS Pro
Monitoring Relay
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3
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DIN Rail
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No
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RS PRO Monitoring Relay, 3 Phase, DIN Rail
RS PRO Monitoring Relay, 3 Phase, DIN Rail
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RS Stock No.: 132-172Brand: RS PRO

€ 18.95

€ 18.95 Each (Exc. Vat)

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1

Available in multiples of 1
1€ 18.95
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RS Pro
Monitoring Relay
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-
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3
-
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-
DIN Rail
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No
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RS PRO Monitoring Relay, 3 Phase, DIN Rail, 380V ac
RS PRO Monitoring Relay, 3 Phase, DIN Rail, 380V ac
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RS Stock No.: 122-212Brand: RS PRO

€ 25.60

€ 25.60 Each (Exc. Vat)

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1

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1€ 25.60
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RS Pro
Monitoring Relay
-
-
-
-
3
-
-
-
-
DIN Rail
-
6VA
250V ac
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-
-
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-
IP20
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-
-
-20°C
380V ac
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-
-
-
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5A
-
55°C
-
35.4mm
94.6mm
-
2006/95/EC - 2004/108/EC
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GKT
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-
-
-
-
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RS PRO Monitoring Relay, 3 Phase, SPDT, DIN Rail, 5A to 100A, 150V ac, 260 V ac
RS PRO Monitoring Relay, 3 Phase, SPDT, DIN Rail, 5A to 100A, 150V ac, 260 V ac
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RS Stock No.: 434-506Brand: RS PRO

€ 60.87

€ 60.87 Each (Exc. Vat)

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1

Available in multiples of 1
1€ 60.87
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RS Pro
Monitoring Relay
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-
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-
3
SPDT
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-
-
DIN Rail
5A
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-
100A
Overcurrent
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IP20
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0.1 to 20 s
-
-20°C
150, 260V ac
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-
-
-
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55°C
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84.5mm
44mm
-
ROHS-3, CE-UKCA
75mm
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RS PRO Phase/Voltage Monitoring Relays, 1 Phase, 150 to 300 V ac Monitor Range, 1 x 8A CO Relay Output, DIN Rail, 230V
RS PRO Phase/Voltage Monitoring Relays, 1 Phase, 150 to 300 V ac Monitor Range, 1 x 8A CO Relay Output, DIN Rail, 230V
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RS Stock No.: 558-901Brand: RS PRO

€ 54.34

€ 54.34 Each (Exc. Vat)

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1€ 54.34
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RS Pro
Phase/Voltage Monitoring Relays
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-
Undervoltage Monitoring
-
1
1 x 8A CO Relay Output
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-
-
DIN Rail
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6VA
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Screw
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IP40, IP20
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-5°C
230V ac
270 V dc
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-
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-
-
8A
150 to 300 V ac
55°C
-
36mm
59mm
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EC 60529, EC 60255-3, EC 60870-5, EC 60255-6
90mm
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RS PRO Phase/Voltage Monitoring Relays, 1 Phase, 150 to 300 V ac Monitor Range, DIN Rail, 230V ac 270 V dc
RS PRO Phase/Voltage Monitoring Relays, 1 Phase, 150 to 300 V ac Monitor Range, DIN Rail, 230V ac 270 V dc
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RS Stock No.: 558-898Brand: RS PRO

€ 54.72

€ 54.72 Each (Exc. Vat)

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1€ 54.72
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RS Pro
Phase/Voltage Monitoring Relays
-
-
Undervoltage Monitoring
-
1
-
-
-
-
DIN Rail
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2W
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-
-
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Screw
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IP40, IP20
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-
-
-5°C
230V ac
270 V dc
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-
-
-
-
8A
150 to 300 V ac
55°C
-
36mm
59.7mm
-
EC 60255-6, EC 60255-3, EC 60529, EC 60870-5
90mm
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-
-
-
-
-
-
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-
RS PRO Phase/Voltage Monitoring Relays, 3 Phase, 230 V ac Monitor Range, 1 CO, DIN Rail, 230V ac
RS PRO Phase/Voltage Monitoring Relays, 3 Phase, 230 V ac Monitor Range, 1 CO, DIN Rail, 230V ac
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RS Stock No.: 558-897Brand: RS PRO

€ 39.66

€ 39.66 Each (Exc. Vat)

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1

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1€ 39.66
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RS Pro
Phase/Voltage Monitoring Relays
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-
Plug, Transducer
-
3
1 CO
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-
-
DIN Rail
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-
-
-
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Screw
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-5°C
230V ac
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-
-
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8A
230 V ac
55°C
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35mm
58mm
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No
90mm
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-
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-
RS PRO Phase/Voltage Monitoring Relays, 3 Phase, 380 V ac Monitor Range, 1 CO, DIN Rail, 230V ac
RS PRO Phase/Voltage Monitoring Relays, 3 Phase, 380 V ac Monitor Range, 1 CO, DIN Rail, 230V ac
Add to parts list
RS Stock No.: 558-892Brand: RS PRO

€ 46.56

€ 46.56 Each (Exc. Vat)

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1

Available in multiples of 1
1€ 46.56
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RS Pro
Phase/Voltage Monitoring Relays
-
-
Plug
-
3
1 CO
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-
-
DIN Rail
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-
-
-
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Screw
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-
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-5°C
230V ac
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-
-
-
-
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8A
380 V ac
55°C
-
35mm
58mm
-
No
90mm
MKC-03
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-
-
-
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-
RS PRO Monitoring Relay, 1 Phase, SPDT, DIN Rail 24 V dc
RS PRO Monitoring Relay, 1 Phase, SPDT, DIN Rail 24 V dc
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RS Stock No.: 102-6130Brand: RS PRO

€ 82.20

€ 82.20 Each (Exc. Vat)

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1€ 82.20
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RS Pro
Monitoring Relay
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-
-
-
1
SPDT
-
-
-
DIN Rail
-
3W
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-
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-
Screw
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IP20
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-
-
-20°C
-
24 V dc
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-
-
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-
8A
-
60°C
-
17.5mm
66.5mm
-
RoHS, UL, CE, IEC, EMC EN 61000-6
89mm
L
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-
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-
RS PRO Monitoring Relay, 3 Phase, 280/520 V ac Monitor Range, SPDT, DIN Rail, 280V ac, 520 V ac
RS PRO Monitoring Relay, 3 Phase, 280/520 V ac Monitor Range, SPDT, DIN Rail, 280V ac, 520 V ac
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RS Stock No.: 102-6136Brand: RS PRO

€ 89.73

€ 89.73 Each (Exc. Vat)

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1€ 89.73
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RS Pro
Monitoring Relay
-
-
-
-
3
SPDT
-
-
-
DIN Rail
-
8VA
-
-
-
-
Screw
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-
-
-
-
-20°C
280, 520V ac
-
-
-
-
-
-
8A
280/520 V ac
60°C
-
17.5mm
66.5mm
-
RoHS, EN 61000-6-4, cUL, IEC 60664
89mm
L
-
-
-
-
-
-
-
-
RS PRO Monitoring Relay, 3 Phase, 120/240 V ac Monitor Range, SPDT, DIN Rail, 223V ac, 7795 V ac
RS PRO Monitoring Relay, 3 Phase, 120/240 V ac Monitor Range, SPDT, DIN Rail, 223V ac, 7795 V ac
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RS Stock No.: 223-7795Brand: RS PRO

€ 154.36

€ 154.36 Each (Exc. Vat)

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1€ 154.36
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RS Pro
Monitoring Relay
-
-
Undervoltage Monitoring
-
3
SPDT
-
-
-
DIN Rail
-
16VA
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-
-
-
Screw
-
IP20, IP30
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-
-
-20°C
223, 7795V ac
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-
-
-
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3A
120/240 V ac
60°C
-
90mm
66.5mm
-
No
90mm
MAG0
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-
-
-
-
-
-
-
RS PRO Phase/Voltage Monitoring Relays, 3 Phase, SPDT, DIN Rail, 415 V ac
RS PRO Phase/Voltage Monitoring Relays, 3 Phase, SPDT, DIN Rail, 415 V ac
Add to parts list
RS Stock No.: 223-7792Brand: RS PRO

€ 134.28

€ 134.28 Each (Exc. Vat)

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1€ 134.28
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RS Pro
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-
-
-
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-
-
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-
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