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. 538-3883
Mfr. Part No.2CDS200909R0002
BrandABB
HK$408.18
Each
units
- System Pro M Compact S-2C S200 Series, S200P Series Shunt Release 110 → 250 V dc, 110 → 415 V ac
RS Stock No. 791-2799
Mfr. Part No.A9A26960
HK$908.06
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. 538-3877
Mfr. Part No.2CDS200909R0001
BrandABB
HK$369.11
Each
units
- System Pro M Compact S-2C S200 Series, S200P Series Shunt Release 12 → 60 V ac/dc
RS Stock No. 240-9241
Mfr. Part No.IK8800.11 AC50Hz 230V
BrandDold
HK$400.81
Each
units
- - - - - -
RS Stock No. 791-2809
Mfr. Part No.A9A26963
HK$1,006.72
Each
units
- Acti 9 iMNs ARA, Ic60 MCB, IDPN Vigi, Ild Double Terminal, IlD MCB, ISW-NA, RCA Undervoltage Release 220 → 240 V ac
RS Stock No. 791-2821
Mfr. Part No.A9A26477
HK$491.92
Each
units
- Acti 9 iMX ARA, Ic60 MCB, IDPN Vigi, Ild Double Terminal, IlD MCB, ISW-NA, RCA Shunt Release 48 V ac/dc
RS Stock No. 791-2812
Mfr. Part No.A9A26948
HK$537.68
Each
units
0.1 → 6 A 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. 776-2935
Mfr. Part No.A9N26969
HK$915.20
Each
units
- Acti 9 - C120 Series, C60 Series, ID Residual Current Device, IDPN Residual Current Device Undervoltage Release 230 → 240 V ac
RS Stock No. 790-9178
Mfr. Part No.A9E18037
HK$232.12
Each
units
- Acti 9 iPB - - -
RS Stock No. 791-2802
Mfr. Part No.A9A26969
HK$903.76
Each
units
- Acti 9 iMNx ARA, Ic60 MCB, IDPN Vigi, Ild Double Terminal, IlD MCB, ISW-NA, RCA Undervoltage Release 220 → 240 V ac
RS Stock No. 791-2818
Mfr. Part No.A9A26478
HK$491.92
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. 806-7307
Mfr. Part No.SEA91252
HK$329.36
Each
units
125 A Acti 9 - - 2P Switch Disconnector -
RS Stock No. 776-2938
Mfr. Part No.A9N26500
HK$1,521.52
Each
units
- Acti 9 - C120 Series, C60 Series, ID Residual Current Device Overload Release 230 V ac
RS Stock No. 776-2941
Mfr. Part No.A9N26963
HK$1,273.62
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. 790-9175
Mfr. Part No.A9E18030
HK$136.02
Each
units
- Acti 9 iPB - - -
RS Stock No. 435-532
Mfr. Part No.2CCS800900R0191
BrandABB
HK$753.00
Each
units
- - - S800PV Series Shunt Release 24 V ac/dc
RS Stock No. 539-0112
Mfr. Part No.2CSS200911R0005
BrandABB
HK$703.33
Each
units
- System Pro M Compact S-2V S280 UC Series Undervoltage Release 220 V ac/dc
RS Stock No. 706-1989
Mfr. Part No.3RV2902-4AV0
BrandSiemens
HK$253.74
Each
units
- Sirius Innovation 3RV2 3RV2 Series Undervoltage Release 400 V ac
RS Stock No. 454-8180
Mfr. Part No.259442 | NZM1-XU208-240AC
BrandEaton
HK$832.95
Each
units
- Xboard NZM1 N(S)1(-4), NZM1(-4) Undervoltage Release 208 240 V ac
RS Stock No. 744-6970
Mfr. Part No.LAD703E
HK$606.32
Each
units
- - - LR3D Series, LRD Series - -
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