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
TWD2,740.00
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
TWD2,868.00
Each
units
- Xboard NZM1 N(S)1(-4), NZM1(-4) Undervoltage Release 24 V ac
RS Stock No. 744-6973
Mfr. Part No.LAD703F
TWD1,680.00
Each
units
- - - LR3D Series, LRD Series - -
RS Stock No. 706-1976
Mfr. Part No.3RV2902-2DP0
BrandSiemens
TWD998.00
Each
units
- Sirius Innovation 3RV2 3RV2 Series Shunt Release 210 → 240 V ac
RS Stock No. 790-9175
Mfr. Part No.A9E18030
TWD410.00
Each
units
- Acti 9 iPB - - -
RS Stock No. 790-9190
Mfr. Part No.A9E18034
TWD600.00
Each
units
- Acti 9 iPB - - -
RS Stock No. 790-9184
Mfr. Part No.A9E18036
TWD700.00
Each
units
- Acti 9 iPB - - -
RS Stock No. 622-0654
Mfr. Part No.5TT4102-0
BrandSiemens
TWD1,470.00
Each
units
- - - - - -
RS Stock No. 825-6194
Mfr. Part No.P2X16230
BrandLovato
TWD2,535.00
Each
units
3 A, 6 A - P2X P2MB Series Shunt Trip 110 → 415 V
RS Stock No. 701-8531
Mfr. Part No.2CCA703161R0001
BrandABB
TWD506.00
Each
units
- - - - - -
RS Stock No. 922-6949
Mfr. Part No.FAZ-XUA(230VAC)
BrandEaton
TWD2,183.00
Each
units
- - FAZ FAZ Series MCB/RCBO Undervoltage Release 230 V ac
RS Stock No. 454-8180
Mfr. Part No.NZM1-XU208-240AC
BrandEaton
TWD3,295.00
Each
units
- Xboard NZM1 N(S)1(-4), NZM1(-4) Undervoltage Release 208 240 V ac
RS Stock No. 706-1973
Mfr. Part No.3RV2902-2DF0
BrandSiemens
TWD1,023.00
Each
units
- Sirius Innovation 3RV2 3RV2 Series Shunt Release 90 → 110 V ac
RS Stock No. 791-2818
Mfr. Part No.A9A26478
TWD1,460.00
Each
units
- Acti 9 iMX ARA, Ic60 MCB, IDPN Vigi, Ild Double Terminal, IlD MCB, ISW-NA, RCA Shunt Release 12 → 24 V ac/dc
RS Stock No. 744-6970
Mfr. Part No.LAD703E
TWD1,680.00
Each
units
- - - LR3D Series, LRD Series - -
RS Stock No. 134-6005
Mfr. Part No.SEA9TB1001
TWD430.00
Each
units
100 A Acti 9 - Acti9 Isobar A Type Distribution Boards, Acti9 Isobar B Type Distribution Boards Terminal Block -
RS Stock No. 186-3449
Mfr. Part No.703040
BrandABB
TWD1,649.00
Each
units
16 A - E213 - Change Over Switch 250 V
RS Stock No. 622-0676
Mfr. Part No.5TT4104-0
BrandSiemens
TWD2,210.00
Each
units
- - - - - -
RS Stock No. 706-1945
Mfr. Part No.3RV2902-1AV1
BrandSiemens
TWD1,008.00
Each
units
- Sirius Innovation 3RV2 3RV2 Series Undervoltage Release 415 V ac, 480 V ac
RS Stock No. 706-1926
Mfr. Part No.3RV2902-1AF0
BrandSiemens
TWD1,008.00
Each
units
- Sirius Innovation 3RV2 3RV2 Series Undervoltage Release 110 V ac, 120 V ac