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 CAD Drawing
RS stock no. 790-9178
Mfr. Part No.A9E18037
R 399.30
Each
units
- Acti 9 iPB - - - -
RS stock no. 744-8642
Mfr. Part No.VBF02
R 621.29
Each
units
- - - - - - -
RS stock no. 243-7218
Mfr. Part No.3RV1902-1AP0
BrandSiemens
R 470.37
Each
units
- Sirius Classic 3RV1 Size S00 Circuit Breaker, 3RV1 Circuit Breaker Undervoltage Release 230 V ac, 240 V ac -
RS stock no. 521-5184
Mfr. Part No.5TE4810
BrandSiemens
R 994.00
Each
units
- - - - - - -
RS stock no. 706-1926
Mfr. Part No.3RV2902-1AF0
BrandSiemens
R 383.37
Each
units
- Sirius Innovation 3RV2 3RV2 Series Undervoltage Release 110 V ac, 120 V ac -
RS stock no. 922-6958
Mfr. Part No.FAZ-XAM002
BrandEaton
R 540.55
Each
units
3 A @ 250 V ac - FAZ FAZ Series MCB/RCBO Auxiliary Contact 110 V dc, 250 V ac -
RS stock no. 791-2821
Mfr. Part No.A9A26477
R 829.71
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. 121-6863
BrandRS PRO
R 86.72
Each
units
5 A - HS MS32 & MSB32 Motor Protection Circuit Breakers Auxiliary Switch 240 (B300) V, 250 (R300) V -
RS stock no. 454-8225
Mfr. Part No.NZM1-XA380-440AC/DC
BrandEaton
R 1,209.88
Each
units
- Xboard NZM1 N(S)1(-4) Series, NZM1(-4) Series Shunt Release 380 → 440 V ac/dc -
RS stock no. 776-2938
Mfr. Part No.A9N26500
R 1,088.19
Each
units
- - - C120 Series, C60 Series, ID Residual Current Device Overload Release 230 V ac 3D CAD Model
RS stock no. 521-5257
Mfr. Part No.5TE4840
BrandSiemens
R 1,480.00
Each
units
- - - - - - -
RS stock no. 755-2858
Mfr. Part No.3RV1921-1M
BrandSiemens
R 250.00
Each
units
- Sirius Classic - 3RV1 Series - - -
RS stock no. 622-0682
Mfr. Part No.5TT4105-0
BrandSiemens
R 816.00
Each
units
- - - - - - -
RS stock no. 806-7307
Mfr. Part No.SEA91252
R 566.35
Each
units
125 A Acti 9 - - 2P Switch Disconnector - -
RS stock no. 121-6864
BrandRS PRO
R 87.48
Each
units
5 A - HS MS32 & MSB32 Motor Protection Circuit Breakers Auxiliary Switch 240 (B300) V, 250 (R300) V -
RS stock no. 790-9171
Mfr. Part No.A9E18039
R 253.95
Each
units
- Acti 9 iPB - - - -
RS stock no. 790-9175
Mfr. Part No.A9E18030
R 231.55
Each
units
- Acti 9 iPB - - - -
RS stock no. 538-3883
Mfr. Part No.2CDS200909R0002
BrandABB
R 686.50
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. 706-1932
Mfr. Part No.3RV2902-1AS0
BrandSiemens
R 438.71
Each
units
- Sirius Innovation 3RV2 3RV2 Series Undervoltage Release 500 V ac, 600 V ac -
RS stock no. 454-8203
Mfr. Part No.NZM1-XA24AC/DC
BrandEaton
R 1,209.69
Each
units
- Xboard NZM1 N(S)1(-4) Series, NZM1(-4) Series Shunt Release 24 V ac/dc -