MCCBs

MCCBs (Moulded Case Circuit Breakers) are an electrically operated switch designed to protect an electrical circuit from damage caused by overcurrent, typically resulting from an overload or short circuit.
How do they work?
The basic function of an MCCB is to interrupt current flow after a fault, once the fault is corrected the circuit breaker can be reset (either manually or automatically) to resume normal operation.
MCB or MCCB
Although MCBs and MCCBs both are circuit breakers, there are key differences between the two that make them suitable for specific jobs. The main difference between the two is the capacity, MCBs are rated under 100 amps with an interrupting rating of under 18,000 amps. Consequently, the trip characteristics may not be adjusted since they cater to low circuits. On the other hand, an MCCB comes with an adjustable trip characteristic for the higher loads. An MCCB would typically provide amps as high as 2500 or as low as 10, depending on the application. The interrupting rating of MCCBs range from around 10,000 amps to 200,000 amps.

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Description Price Range Series Number of Poles Current Rating Breaking Capacity Rated AC Voltage Rated DC Voltage Mounting Style Length Width Depth Application Break Time Circuit Breaker Type
RS庫存編號 849-4179
製造零件編號LV429850
HK$3,373.18
單位
NSX Range LV4 4P 100 A 90 kA 690 V - Fixed 161mm 140mm 86mm - - -
RS庫存編號 849-4377
製造零件編號LV430851
HK$4,574.98
單位
NSX Range LV4 4P 160 A 90 kA 690 V - Fixed 161mm 140mm 86mm - - -
RS庫存編號 849-4188
製造零件編號LV429851
HK$3,373.18
單位
NSX Range LV4 4P 100 A 90 kA 690 V - Fixed 161mm 140mm 86mm - - -
RS庫存編號 849-3968
製造零件編號LV429633
HK$2,192.13
單位
NSX Range LV4 3P 100 A 85 kA 690 V - Fixed 161mm 105mm 86mm - - -
RS庫存編號 849-4194
製造零件編號LV429854
HK$2,877.31
單位
NSX Range LV4 4P 100 A 90 kA 690 V - Fixed 161mm 140mm 86mm - - -
RS庫存編號 849-4191
製造零件編號LV429856
HK$2,877.31
單位
NSX Range LV4 4P 100 A 90 kA 690 V - Fixed 161mm 140mm 86mm - - -
RS庫存編號 849-4545
製造零件編號LV431841
HK$6,532.48
單位
NSX Range LV4 4P 250 A - - - - - - - - - -
RS庫存編號 849-4181
製造零件編號LV429852
HK$2,877.31
單位
NSX Range LV4 4P 100 A 90 kA 690 V - Fixed 161mm 140mm 86mm - - -
RS庫存編號 849-4012
製造零件編號LV429652
HK$2,866.18
單位
NSX Range LV4 4P 100 A 85 kA 690 V - Fixed 161mm 140mm 86mm - - -
RS庫存編號 849-4015
製造零件編號LV429650
HK$3,401.73
單位
NSX Range LV4 4P 100 A 85 kA 690 V - Fixed 161mm 140mm 86mm - - -
RS庫存編號 776-3348
製造零件編號A9F90325
HK$3,094.00
單位
Acti 9 iC60L 3P 25 A 30 kA 440 V - DIN Rail Mount 54mm 78.5mm 85mm - - -
RS庫存編號 849-3952
製造零件編號LV429630
HK$2,249.34
單位
NSX Range LV4 3P 100 A 85 kA 690 V - Fixed 161mm 105mm 86mm - - -
RS庫存編號 849-4018
製造零件編號LV429651
HK$3,401.73
單位
NSX Range LV4 4P 100 A 85 kA 690 V - Fixed 161mm 140mm 86mm - - -
RS庫存編號 849-4614
製造零件編號LV432895
HK$15,373.70
單位
NSX Range LV4 3P 630 A 85 kA 690 V - Fixed 255mm 140mm 110mm - - -
RS庫存編號 849-3983
製造零件編號LV429637
HK$2,192.13
單位
NSX Range LV4 3P 100 A 85 kA 690 V - Fixed 161mm 105mm 86mm - - -
RS庫存編號 178-7918
製造零件編號LV426706
HK$9,312.37
單位
Compact NSXm 4 50 A 10 kA 690 V - Screw 108mm 144mm 80mm Distribution, Protection Time Delay ELCB
RS庫存編號 178-7919
製造零件編號LV426707
HK$9,854.07
單位
Compact NSXm 4 100 A 10 kA 690 V - Screw 108mm 144mm 80mm Distribution, Protection Time Delay ELCB
RS庫存編號 178-7928
製造零件編號LV426717
HK$10,070.85
單位
Compact NSXm 4 100 A 20 kA 690 V - Screw 108mm 144mm 80mm Distribution, Protection Time Delay ELCB
RS庫存編號 178-7920
製造零件編號LV426708
HK$11,908.38
單位
Compact NSXm 4 160 A 10 kA 690 V - Screw 108mm 144mm 80mm Distribution, Protection Time Delay ELCB
RS庫存編號 178-7929
製造零件編號LV426718
HK$12,256.12
單位
Compact NSXm 4 160 A 20 kA 690 V - Screw 108mm 144mm 80mm Distribution, Protection Time Delay ELCB