MCB
MCB Selection Guide for Modular Circuit Protection
Miniature circuit breakers are widely used in residential, commercial and light industrial systems for branch circuit protection. Proper selection depends on rated current, breaking capacity, pole configuration and the type of circuit being protected within the distribution board.
Selection Tips
- Choose rated current according to the branch circuit load and safety requirement.
- Check pole configuration and breaking capacity before ordering.
- Match the MCB type to lighting, socket or equipment protection use.
Why Buyers Choose This Category
- Clear specifications for project matching
- Suitable for wholesale, OEM and export supply
- Improves content depth for search and buyer decisions
Frequently Asked Questions
Q: What is an MCB mainly used for?A: An MCB is mainly used to protect branch circuits from overload and short-circuit faults in modular distribution systems.
Q: How do I choose the right MCB rating?A: You should match the breaker rating to the actual load current, circuit type and required protection standard of the installation.