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
TWD3,391.00
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
TWD4,047.00
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. 790-9175
Mfr. Part No.A9E18030
TWD510.00
Each
units
- Acti 9 iPB - - -
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. 136-1389
Mfr. Part No.EC4ACSW
BrandEuropa
TWD1,013.00
Each
units
100 A - - PV System Main AC Isolator Main AC Isolator -
RS Stock No. 831-9197
Mfr. Part No.1SDA066325R1
BrandABB
TWD3,066.00
Each
units
- SACE 1SDA ABB Tmax XT1, ABB Tmax XT2, ABB Tmax XT3, ABB Tmax XT4 Shunt Release 220 → 240 V ac, 220 → 250 V dc
RS Stock No. 121-6863
BrandRS PRO
TWD198.00
Each
units
5 A - HS MS32 & MSB32 Motor Protection Circuit Breakers Auxiliary Switch 240 (B300) V, 250 (R300) V
RS Stock No. 435-415
Mfr. Part No.2CCS800900R0271
BrandABB
TWD3,595.00
Each
units
- - - S800PV Series Undervoltage Release 220 → 250 V ac/dc
RS Stock No. 179-9698
Mfr. Part No.A9N26476
TWD1,285.00
Each
units
- Acti 9, Clario, Librio, Prodis MX C120, C40, C60, DPN, DT40, DT60, ID C40, IDc, IDPN, ITG40, Vigi Shunt Trip Release 100 → 415 V ac, 110 → 130 V dc
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. 706-1954
Mfr. Part No.3RV2902-1DS0
BrandSiemens
TWD1,008.00
Each
units
- Sirius Innovation 3RV2 3RV2 Series Shunt Release 500 V ac
RS Stock No. 701-8500
Mfr. Part No.2CCA703154R0001
BrandABB
TWD490.00
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. 755-2895
Mfr. Part No.3RV1991-1AA0
BrandSiemens
TWD1,642.00
Each
units
- Sirius Classic - 3RV1 Series - -
RS Stock No. 791-2809
Mfr. Part No.A9A26963
TWD3,778.00
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. 537-5674
Mfr. Part No.NZM2/3-XA380-440AC/DC
BrandEaton
TWD3,188.00
Each
units
- Xboard NZM2 LZM Series, N(S)2(-4) Series, N(S)3(-4) Series, NZM2(-4) Series, NZM3(-4) Series Shunt Release 380 → 440 V ac/dc
RS Stock No. 791-2802
Mfr. Part No.A9A26969
TWD3,391.00
Each
units
- Acti 9 iMNx ARA, Ic60 MCB, IDPN Vigi, Ild Double Terminal, IlD MCB, ISW-NA, RCA Undervoltage Release 220 → 240 V ac
RS Stock No. 538-3877
Mfr. Part No.2CDS200909R0001
BrandABB
TWD1,532.00
Each
units
- System Pro M Compact S-2C S200 Series, S200P Series Shunt Release 12 → 60 V ac/dc
RS Stock No. 243-7274
Mfr. Part No.3RV1902-1DP0
BrandSiemens
TWD1,055.00
Each
units
- Sirius Classic 3RV1 FOR S00...S3 MCB, 5SEC ED MCB Shunt Release 190 → 330 V dc, 200 → 240 V ac