Residential MCBs

Residential MCBs (miniature circuit breakers) are used in domestic consumer units and switch fuses to break the circuit in case of a fault. They are usually used to protect small appliances or control circuits, and have a fixed trip setting.

How do residential MCBs work?

Residential MCBs are a very low voltage type of circuit breaker. When a current or voltage is interrupted, an arc is generated, which must be controlled and extinguished so that the circuit can function again.

MCBs utilise air alone to break the arc by dividing it into smaller arcs using a series of insulated parallel metal plates known as arc chutes to cool each section down separately. Once the fault is fixed, the contacts are closed once more to restore power to the circuit.

Types of residential MCBs

Residential MCBs can have differing current and voltage ratings, lead times and numbers of poles. Their dimensions can also vary, though all are relatively small.


...
顯示內容 隱藏內容

篩選條件

正在檢視 1 - 5,共 5 項產品
Results per page
Description Price Current Rating Number of Poles Tripping Characteristics Series Range Breaking Capacity at Maximum Voltage Rating Circuit Breaker Type Mounting Style Overall Depth Overall Dimensions Overall Length Overall Width Rated AC Voltage Tripping Mechanism
RS庫存編號 293-1417
製造零件編號0 058 11
BrandLegrand
HK$75.83
單位
16 A 1 - - - - - - - - - - - -
RS庫存編號 293-1423
製造零件編號0 058 12
BrandLegrand
HK$75.92
單位
20 A 1 - - - - - - - - - - - -
RS庫存編號 293-1401
製造零件編號0 058 10
BrandLegrand
HK$79.32
單位
10 A 1 - - - - - - - - - - - -
RS庫存編號 293-1445
製造零件編號0 058 14
BrandLegrand
HK$74.15
單位
32 A 1 - - - - - - - - - - - -
RS庫存編號 180-6101
製造零件編號0 058 48
BrandLegrand
HK$864.41
毎盒:2 個
Box(es)
- 3P+N - - - 100 kA - - 94mm 71.2 x 73 x 94mm 71.2mm 73mm 500V -