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. 791-2799
Mfr. Part No.A9A26960
TWD3,552.00
Each
units
- Acti 9 iMN ARA, Ic60 MCB, IDPN Vigi, Ild Double Terminal, IlD MCB, ISW-NA, RCA Undervoltage Release 220 → 240 V ac
RS Stock No. 454-8168
Mfr. Part No.NZM1-XU24AC
BrandEaton
TWD3,421.00
Each
units
- Xboard NZM1 N(S)1(-4), NZM1(-4) Undervoltage Release 24 V ac
RS Stock No. 744-6973
Mfr. Part No.LAD703F
TWD1,844.00
Each
units
- - - LR3D Series, LRD Series - -
RS Stock No. 706-1976
Mfr. Part No.3RV2902-2DP0
BrandSiemens
TWD997.00
Each
units
- Sirius Innovation 3RV2 3RV2 Series Shunt Release 210 → 240 V ac
RS Stock No. 790-9175
Mfr. Part No.A9E18030
TWD535.00
Each
units
- Acti 9 iPB - - -
RS Stock No. 186-3451
Mfr. Part No.2CDE281001R0016
BrandABB
TWD708.00
Each
units
16 A - E201 Commanding Loads Isolator 230 V ac, 400 V ac
RS Stock No. 791-2795
Mfr. Part No.A9A26959
TWD3,510.00
Each
units
- Acti 9 iMN ARA, Ic60 MCB, IDPN Vigi, Ild Double Terminal, IlD MCB, ISW-NA, RCA Undervoltage Release 115 V ac
RS Stock No. 537-5652
Mfr. Part No.NZM2/3-XA24AC/DC
BrandEaton
TWD3,294.00
Each
units
- Xboard NZM2 N(S)2(-4) Series, N(S)3(-4) Series, NZM2(-4) Series, NZM3(-4) Series Shunt Release 24 V ac/dc
RS Stock No. 776-2938
Mfr. Part No.A9N26500
TWD5,981.00
Each
units
- Acti 9 - C120 Series, C60 Series, ID Residual Current Device Overload Release 230 V ac
RS Stock No. 240-9241
Mfr. Part No.IK8800.11 AC50Hz 230V
BrandDold
TWD1,575.00
Each
units
- - - - - -
RS Stock No. 825-6194
Mfr. Part No.P2X16230
BrandLovato
TWD2,442.00
Each
units
3 A, 6 A - P2X P2MB Series Shunt Trip 110 → 415 V
RS Stock No. 790-9187
Mfr. Part No.A9E18038
TWD1,004.00
Each
units
- Acti 9 iPB - - -
RS Stock No. 186-3461
Mfr. Part No.362119
BrandABB
TWD1,944.00
Each
units
63 A - E202 Commanding Loads Isolator -
RS Stock No. 706-1982
Mfr. Part No.3RV2902-4DF0
BrandSiemens
TWD997.00
Each
units
- Sirius Innovation 3RV2 3RV2 Series Voltage Release 90 → 110 V ac
RS Stock No. 435-425
Mfr. Part No.2CCS800900R0241
BrandABB
TWD3,765.00
Each
units
- - - S800PV Series Undervoltage Release 24 → 36 V ac/dc
RS Stock No. 706-1939
Mfr. Part No.3RV2902-1AP0
BrandSiemens
TWD1,011.00
Each
units
- Sirius Innovation 3RV2 3RV2 Series Undervoltage Release 230 V ac, 240 V ac
RS Stock No. 537-5668
Mfr. Part No.NZM2/3-XA208-250AC/DC
BrandEaton
TWD3,294.00
Each
units
- Xboard NZM2 LZM Series, N(S)2(-4) Series, N(S)3(-4) Series, NZM2(-4) Series, NZM3(-4) Series Shunt Release 208 → 250 V ac/dc
RS Stock No. 622-0648
Mfr. Part No.5TT4101-0
BrandSiemens
TWD1,715.00
Each
units
- - - - - -
RS Stock No. 776-2941
Mfr. Part No.A9N26963
TWD5,006.00
Each
units
- Acti 9 - C120 Series, C60 Series, ID Residual Current Device, IDPN Residual Current Device Undervoltage Release 220 → 240 V ac
RS Stock No. 791-2802
Mfr. Part No.A9A26969
TWD3,552.00
Each
units
- Acti 9 iMNx ARA, Ic60 MCB, IDPN Vigi, Ild Double Terminal, IlD MCB, ISW-NA, RCA Undervoltage Release 220 → 240 V ac