125 Amp MCB Construction and Feature
■High short-short capacity 10KA.
■Designed to protect circuit carrying big current up to 125A.
■Contact position indication.
■Supplied from MCB factory For Used as main switch in household and similar installation.
Electrical MCB Technical Data
■Pole No.: 1, 2, 3, 4
■Rated voltage: AC 230V/400V
■Rated Current(A): 63, 80, 100
■Tripping curve: C, D
■Rated short-circuit capacity(lcn): 10000A
■Rated service short-circuit capacity(Ics): 7500A
■Rated frequency: 50/60Hz
■Rated impulse withstand voltage: 6.2kV
■Electro-mechanical endurance: 10000
■Connection capacity:
□Flexible conductor 50mm2
□Rigid conductor 50mm2
■Installation:
□On symmetrical DIN rail 35.5mm
□Panel mounting
125 Amp MCB Compliance
■IEC60947-2
■EN60947-2
Overall & Installation 125 Amp MCB Dimensions
Electrical MCB Tripping Characteristic Curves
> Does Your Electrical System Need a Contactor?
This device is vital in electrical setups, but many wonder when it’s necessary. Let’s simplify when a contactor makes sense for your system.
> What's the Right Circuit Breaker for Different Household Electrical Scenarios?
Choosing a household circuit breaker isn't one-size-fits-all. A breaker that works for bedroom lights may not be safe for kitchen appliances, and one for dry spaces ...
> What Key Factors Should You Consider When Choosing a Relay for Low-Voltage Electrical Systems?
In low-voltage electrical systems—whether for residential smart homes or small commercial setups—devices that manage current flow safely are critical. One component ...
> Worried About Lightning Damaging Your Equipment? Use SPD Surge Protective Device to Protect It
Summer thunderstorms, lightning-induced power surges, and even large appliance startups can send harmful voltage spikes through your electrical system. These spikes ...