Circuit Trips

Circuit trips react to ground faults, short circuits or thermal overload in circuit breakers. A circuit trip opens the circuit in the event of a faulty condition. The trip becomes activated when it senses heat from an overload or high current from a short circuit.


What are the different types of circuit trips?


There are two types of circuit trips: electromechanical and electronic. An electromechanical circuit trip has two moving parts that work together to determine when to open the circuit. The two parts are a current-sensitive device and a thermal-sensitive device. An electric circuit trip is less mechanical as it's a programmable device. It measures and times the current flowing through the circuit breaker, electronically delivering a trip signal when it's needed.


How to choose the right circuit trips


Choosing the right circuit trips depends on the circuit or device you're using it for. There are various features that should be considered when selecting the right circuit trips, such as rated-control voltage and the current rating.


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Description Price Current Rating Range Series For Use With Type Rated Control Voltage
RS Stock No. 706-1926
Mfr. Part No.3RV2902-1AF0
BrandSiemens
SGD40.89
Each
units
- Sirius Innovation 3RV2 3RV2 Series Undervoltage Release 110 V ac, 120 V ac
RS Stock No. 454-8225
Mfr. Part No.259728 & NZM1-XA380-440AC/DC
BrandEaton
SGD138.51
Each
units
- - - - - -
RS Stock No. 435-415
Mfr. Part No.2CCS800900R0271
BrandABB
SGD151.55
Each
units
- - - S800PV Series Undervoltage Release 220 → 250 V ac/dc
RS Stock No. 701-8531
Mfr. Part No.2CCA703161R0001
BrandABB
SGD27.25
Each
units
- - - - - -
RS Stock No. 622-0660
Mfr. Part No.5TT4103-0
BrandSiemens
SGD71.19
Each
units
- - - - - -
RS Stock No. 145-027
Mfr. Part No.16188
SGD40.21
Each
units
- - - - - -
RS Stock No. 706-1973
Mfr. Part No.3RV2902-2DF0
BrandSiemens
SGD44.45
Each
units
- Sirius Innovation 3RV2 3RV2 Series Shunt Release 90 → 110 V ac
RS Stock No. 192-0919
Mfr. Part No.66314
BrandABB
SGD137.06
Each
units
- - SOR XT1-XT4 SACE Tmax XT ACC 24 → 30 V
RS Stock No. 825-6119
Mfr. Part No.P1X14230
BrandLovato
SGD104.25
Each
units
6 A - P1X P1MB Series Undervoltage Release 230 V
RS Stock No. 806-7427
Mfr. Part No.SEA9NI2504
SGD972.94
Each
units
- - - - - -
RS Stock No. 145-522
Mfr. Part No.16189
SGD45.72
Each
units
- - - - - -
RS Stock No. 186-3450
Mfr. Part No.703000
BrandABB
SGD26.00
Each
units
16 A - E211 - ON-OFF Switch 250 V, 415 V
RS Stock No. 706-1923
Mfr. Part No.3RV2902-1AB4
BrandSiemens
SGD117.97
Each
units
- Sirius Innovation 3RV2 3RV2 Series Undervoltage Release 24 V dc
RS Stock No. 744-6973
Mfr. Part No.LAD703F
SGD100.43
Each
units
- - - - - -
RS Stock No. 622-0676
Mfr. Part No.5TT4104-0
BrandSiemens
SGD101.12
Each
units
- - - - - -
RS Stock No. 825-6194
Mfr. Part No.P2X16230
BrandLovato
SGD97.93
Each
units
3 A, 6 A - P2X P2MB Series Shunt Trip 110 → 415 V
RS Stock No. 186-3462
Mfr. Part No.364119
BrandABB
SGD151.92
Each
units
63 A - E204 Commanding Loads Isolator -
RS Stock No. 454-8168
Mfr. Part No.259434 & NZM1-XU24AC
BrandEaton
SGD158.62
Each
units
- - - - - -
RS Stock No. 537-5646
Mfr. Part No.259594 & NZM2/3-XUHIV380-440AC
BrandEaton
SGD226.94
Each
units
- - - - - -
RS Stock No. 435-532
Mfr. Part No.2CCS800900R0191
BrandABB
SGD133.24
Each
units
- - - S800PV Series Shunt Release 24 V ac/dc