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庫存編號 755-2895
製造零件編號3RV1991-1AA0
BrandSiemens
HK$432.20
單位
- Sirius Classic - 3RV1 Series - -
RS庫存編號 922-6949
製造零件編號FAZ-XUA(230VAC)
BrandEaton
HK$575.78
單位
- - FAZ FAZ Series MCB/RCBO Undervoltage Release 230 V ac
RS庫存編號 622-0654
製造零件編號5TT4102-0
BrandSiemens
HK$508.28
單位
- - - - - -
RS庫存編號 454-8180
製造零件編號NZM1-XU208-240AC
BrandEaton
HK$832.95
單位
- Xboard NZM1 N(S)1(-4), NZM1(-4) Undervoltage Release 208 240 V ac
RS庫存編號 706-1982
製造零件編號3RV2902-4DF0
BrandSiemens
HK$253.74
單位
- Sirius Innovation 3RV2 3RV2 Series Voltage Release 90 → 110 V ac
RS庫存編號 537-5674
製造零件編號259766 | NZM2/3-XA380-440AC/DC
BrandEaton
HK$805.83
單位
- 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庫存編號 706-1939
製造零件編號3RV2902-1AP0
BrandSiemens
HK$257.06
單位
- Sirius Innovation 3RV2 3RV2 Series Undervoltage Release 230 V ac, 240 V ac
RS庫存編號 435-415
製造零件編號2CCS800900R0271
BrandABB
HK$962.42
單位
- - - S800PV Series Undervoltage Release 220 → 250 V ac/dc
RS庫存編號 186-3461
製造零件編號362119
BrandABB
HK$496.78
單位
63 A - E202 Commanding Loads Isolator -
RS庫存編號 922-6951
製造零件編號FAZ-XAA-C-12-110VAC
BrandEaton
HK$377.18
單位
- - FAZ FAZ Series MCB/RCBO Shunt Trip 12 → 110 V ac, 12 → 60 V dc
RS庫存編號 178-8050
製造零件編號U-PKZ0(400V50HZ)
BrandEaton
HK$318.74
單位
- - U-PKZ0 PKZ(M)0 Undervoltage Release 400 V ac
RS庫存編號 622-0660
製造零件編號5TT4103-0
BrandSiemens
HK$541.11
單位
- - - - - -
RS庫存編號 790-9184
製造零件編號A9E18036
HK$232.12
單位
- Acti 9 iPB - - -
RS庫存編號 194-6337
製造零件編號1SAM201910R1002
BrandABB
HK$330.00
單位
- - AA1-110 - Shunt Trip 110 V
RS庫存編號 706-1967
製造零件編號3RV2902-2AP0
BrandSiemens
HK$253.74
單位
- Sirius Innovation 3RV2 3RV2 Series Undervoltage Release 230 V ac, 240 V ac
RS庫存編號 706-1923
製造零件編號3RV2902-1AB4
BrandSiemens
HK$735.53
單位
- Sirius Innovation 3RV2 3RV2 Series Undervoltage Release 24 V dc
RS庫存編號 454-8219
製造零件編號NZM1-XA208-250AC/DC
BrandEaton
HK$727.36
單位
- Xboard NZM1 N(S)1(-4) Series, NZM1(-4) Series Shunt Release 208 → 250 V ac/dc
RS庫存編號 791-2795
製造零件編號A9A26959
HK$915.20
單位
- Acti 9 iMN ARA, Ic60 MCB, IDPN Vigi, Ild Double Terminal, IlD MCB, ISW-NA, RCA Undervoltage Release 115 V ac
全新
RS庫存編號 192-0919
製造零件編號66314
BrandABB
HK$847.13
單位
- - SOR XT1-XT4 SACE Tmax XT ACC 24 → 30 V
RS庫存編號 186-3462
製造零件編號364119
BrandABB
HK$938.97
單位
63 A - E204 Commanding Loads Isolator -