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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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Phoenix Contact Current, Voltage Monitoring Relay With SPNO Contacts
RS Stock No. 207-4835
Brand Phoenix Contact
Manufacturers Part No. 1038567

$ 929.94

Each

Add to basket
Phoenix Contact
Current, Voltage
SPNO
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TC MOBILE
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Schneider Electric Current Monitoring Relay
RS Stock No. 212-0282
Brand Schneider Electric
Manufacturers Part No. LV481004

$ 967.83

Each

Add to basket
Schneider Electric
Current
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Vigirex
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Siemens Current Monitoring Relay With DPDT Contacts, Overvoltage
RS Stock No. 213-1326
Brand Siemens
Manufacturers Part No. 5SV8001-6KK

$ 367.07

Each

Add to basket
Siemens
Current
DPDT
Overvoltage
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5SV
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Siemens Current Monitoring Relay With SPDT Contacts, 1 Phase, Overvoltage
RS Stock No. 213-1310
Brand Siemens
Manufacturers Part No. 3UG4621-1AA30

$ 192.95

Each

Add to basket
Siemens
Current
SPDT
Overvoltage
1
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3GU
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Siemens Current Monitoring Relay With SPDT Contacts, 1 Phase, Overvoltage
RS Stock No. 213-1311
Brand Siemens
Manufacturers Part No. 3UG4622-1AA30

$ 192.95

Each

Add to basket
Siemens
Current
SPDT
Overvoltage
1
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3GU
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Siemens Current Monitoring Relay With SPDT Contacts, 1 Phase, Overvoltage
RS Stock No. 213-1312
Brand Siemens
Manufacturers Part No. 3UG4622-2AA30

$ 202.78

Each

Add to basket
Siemens
Current
SPDT
Overvoltage
1
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3GU
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Siemens Current Monitoring Relay With SPDT Contacts, 2 Phase
RS Stock No. 213-1219
Brand Siemens
Manufacturers Part No. 3RR2141-1AW30

$ 146.27

Each

Add to basket
Siemens
Current
SPDT
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2
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3RR2
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Siemens Current Monitoring Relay With SPDT Contacts, 2 Phase
RS Stock No. 213-1221
Brand Siemens
Manufacturers Part No. 3RR2142-1AW30

$ 169.60

Each

Add to basket
Siemens
Current
SPDT
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2
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3RR2
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Siemens Current Monitoring Relay With SPDT Contacts, 2 Phase
RS Stock No. 213-1220
Brand Siemens
Manufacturers Part No. 3RR2142-1AA30

$ 153.64

Each

Add to basket
Siemens
Current
SPDT
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3RR2
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Siemens Current Monitoring Relay With SPDT Contacts, 3 Phase
RS Stock No. 213-1222
Brand Siemens
Manufacturers Part No. 3RR2241-1FW30

$ 272.86

Each

Add to basket
Siemens
Current
SPDT
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3RR2
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Siemens Current Monitoring Relay With SPDT Contacts, 3 Phase
RS Stock No. 213-1224
Brand Siemens
Manufacturers Part No. 3RR2242-1FW30

$ 308.50

Each

Add to basket
Siemens
Current
SPDT
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3
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3RR2
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Siemens Current Monitoring Relay With SPDT Contacts, 3 Phase
RS Stock No. 213-1226
Brand Siemens
Manufacturers Part No. 3RR2242-2FW30

$ 308.50

Each

Add to basket
Siemens
Current
SPDT
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3
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3RR2
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Siemens Current Monitoring Relay With SPDT Contacts, 3 Phase
RS Stock No. 213-1225
Brand Siemens
Manufacturers Part No. 3RR2242-2FA30

$ 290.06

Each

Add to basket
Siemens
Current
SPDT
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3
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3RR2
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Siemens Current Monitoring Relay With SPDT Contacts, 3 Phase
RS Stock No. 213-1223
Brand Siemens
Manufacturers Part No. 3RR2242-1FA30

$ 290.06

Each

Add to basket
Siemens
Current
SPDT
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3
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3RR2
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Siemens Current Monitoring Relay, Overvoltage
RS Stock No. 213-1327
Brand Siemens
Manufacturers Part No. 5SV8200-6KK

$ 561.12

Each

Add to basket
Siemens
Current
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Overvoltage
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5SV
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Siemens Monitoring Relay
RS Stock No. 216-5988
Brand Siemens
Manufacturers Part No. 5TT3170

$ 127.46

Each

Add to basket
Siemens
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5TT3
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Siemens Phase Monitoring Relay With DPDT Contacts, 3 Phase
RS Stock No. 213-1306
Brand Siemens
Manufacturers Part No. 3UG4617-2CR20

$ 306.92

Each

Add to basket
Siemens
Phase
DPDT
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3
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3GU
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Siemens Phase Monitoring Relay With DPDT Contacts, 3 Phase
RS Stock No. 213-1305
Brand Siemens
Manufacturers Part No. 3UG4616-2CR20

$ 293.93

Each

Add to basket
Siemens
Phase
DPDT
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3
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3GU
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Siemens Phase Monitoring Relay With DPDT Contacts, 3 Phase
RS Stock No. 213-1309
Brand Siemens
Manufacturers Part No. 3UG4618-2CR20

$ 325.80

Each

Add to basket
Siemens
Phase
DPDT
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3
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3GU
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Siemens Phase Monitoring Relay With DPDT Contacts, 3 Phase
RS Stock No. 213-1304
Brand Siemens
Manufacturers Part No. 3UG4615-2CR20

$ 270.32

Each

Add to basket
Siemens
Phase
DPDT
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3
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3GU
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