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. 121-6864
BrandRS PRO
$10.48
Each
units
5 A - HS MS32 & MSB32 Motor Protection Circuit Breakers Auxiliary Switch 240 (B300) V, 250 (R300) V
RS Stock No. 121-6863
BrandRS PRO
$11.11
Each
units
5 A - HS MS32 & MSB32 Motor Protection Circuit Breakers Auxiliary Switch 240 (B300) V, 250 (R300) V
RS Stock No. 791-2812
Mfr. Part No.A9A26948
$329.01
Each
units
- - - - - -
RS Stock No. 537-5630
Mfr. Part No.259591 & NZM2/3-XUHIV208-240AC
BrandEaton
$255.19
Each
units
- - - - - -
RS Stock No. 791-2799
Mfr. Part No.A9A26960
$281.03
Each
units
- - - - - -
RS Stock No. 776-2938
Mfr. Part No.A9N26500
$275.56
Each
units
- - - - - -
RS Stock No. 790-9175
Mfr. Part No.A9E18030
$53.45
Each
units
- - - - - -
RS Stock No. 537-5646
Mfr. Part No.259594 & NZM2/3-XUHIV380-440AC
BrandEaton
$253.83
Each
units
- - - - - -
RS Stock No. 791-2818
Mfr. Part No.A9A26478
$102.37
Each
units
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RS Stock No. 744-6973
Mfr. Part No.LAD703F
$295.13
Each
units
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RS Stock No. 744-8642
Mfr. Part No.VBF02
$134.55
Each
units
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RS Stock No. 744-6961
Mfr. Part No.LAD703B
$299.56
Each
units
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RS Stock No. 790-9184
Mfr. Part No.A9E18036
$101.73
Each
units
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RS Stock No. 776-2935
Mfr. Part No.A9N26969
$352.00
Each
units
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RS Stock No. 791-2815
Mfr. Part No.A9A26946
$247.63
Each
units
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RS Stock No. 192-0918
Mfr. Part No.66317
BrandABB
$175.19
Each
units
- - SOR XT1-XT4 SACE Tmax XT ACC 220 → 240 V
RS Stock No. 454-8168
Mfr. Part No.259434 & NZM1-XU24AC
BrandEaton
$188.17
Each
units
- - - - - -
RS Stock No. 744-8623
Mfr. Part No.RHN411G
$289.99
Each
units
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RS Stock No. 790-9178
Mfr. Part No.A9E18037
$103.65
Each
units
- - - - - -
RS Stock No. 435-415
Mfr. Part No.2CCS800900R0271
BrandABB
$197.24
Each
units
- - - S800PV Series Undervoltage Release 220 → 250 V ac/dc