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 537-5652
製造零件編號NZM2/3-XA24AC/DC
BrandEaton
HK$684.00
單位
- Xboard NZM2 N(S)2(-4) Series, N(S)3(-4) Series, NZM2(-4) Series, NZM3(-4) Series Shunt Release 24 V ac/dc
RS庫存編號 537-5668
製造零件編號NZM2/3-XA208-250AC/DC
BrandEaton
HK$684.00
單位
- Xboard NZM2 LZM Series, N(S)2(-4) Series, N(S)3(-4) Series, NZM2(-4) Series, NZM3(-4) Series Shunt Release 208 → 250 V ac/dc
RS庫存編號 744-6970
製造零件編號LAD703E
HK$420.00
單位
- - - LR3D Series, LRD Series - -
RS庫存編號 706-1958
製造零件編號3RV2902-1DV0
BrandSiemens
HK$236.25
單位
- Sirius Innovation 3RV2 3RV2 Series Shunt Release 350 → 415 V ac
RS庫存編號 537-5674
製造零件編號NZM2/3-XA380-440AC/DC
BrandEaton
HK$720.00
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 706-1960
製造零件編號3RV2902-2AV0
BrandSiemens
HK$246.75
單位
- Sirius Innovation 3RV2 3RV2 Series Undervoltage Release 400 V ac, 440 V ac
RS庫存編號 454-8168
製造零件編號NZM1-XU24AC
BrandEaton
HK$740.00
單位
- Xboard NZM1 N(S)1(-4), NZM1(-4) Undervoltage Release 24 V ac
RS庫存編號 790-9184
製造零件編號A9E18036
HK$183.50
單位
- Acti 9 iPB - - -
RS庫存編號 622-0660
製造零件編號5TT4103-0
BrandSiemens
HK$386.93
單位
- - - - - -
RS庫存編號 454-8203
製造零件編號NZM1-XA24AC/DC
BrandEaton
HK$650.00
單位
- Xboard NZM1 N(S)1(-4) Series, NZM1(-4) Series Shunt Release 24 V ac/dc
RS庫存編號 608-9100
製造零件編號LAD703M
HK$503.48
單位
- - - LR3D Series, LRD Series - -
RS庫存編號 183-3633
製造零件編號2CDE281001R0016
BrandABB
HK$2,258.95
1 包 10 套
Pack(s)
16 A - E201 E201 Commanding Loads Isolator 230 → 400 V ac
RS庫存編號 825-6119
製造零件編號P1X14230
BrandLovato
HK$555.35
單位
6 A - P1X P1MB Series Undervoltage Release 230 V
RS庫存編號 701-8512
製造零件編號2CCA703155R0001
BrandABB
HK$97.15
單位
- - - - - -
RS庫存編號 121-6864
BrandRS PRO
HK$42.67
單位
5 A - HS MS32 & MSB32 Motor Protection Circuit Breakers Auxiliary Switch 240 (B300) V, 250 (R300) V
RS庫存編號 706-1948
製造零件編號3RV2902-1DB0
BrandSiemens
HK$209.17
單位
- Sirius Innovation 3RV2 3RV2 Series Shunt Release 20 → 24 V ac
RS庫存編號 744-6955
製造零件編號LA7D03F
HK$465.00
單位
- - - LRD Series - -
RS庫存編號 790-9187
製造零件編號A9E18038
HK$200.00
單位
- Acti 9 iPB - - -
RS庫存編號 622-0676
製造零件編號5TT4104-0
BrandSiemens
HK$520.00
單位
- - - - - -
RS庫存編號 706-1967
製造零件編號3RV2902-2AP0
BrandSiemens
HK$246.75
單位
- Sirius Innovation 3RV2 3RV2 Series Undervoltage Release 230 V ac, 240 V ac