LYM5-63 Miniature Circuit Breaker for Reliable AC Circuit Protection
LYM5-63 MCB is used to protect low-voltage electrical circuits against overload and short-circuit faults. With 6kA breaking capacity, B/C/D trip curves, 1P to 4P configurations, and 35mm DIN rail mounting, it is suitable for distribution boards, control panels, residential systems, commercial buildings, and OEM electrical assemblies.
Key Specifications
Why Choose LYM5-63 MCB?
Helps prevent cable and equipment damage caused by long-term overload current in AC distribution circuits.
Quickly disconnects the circuit during short-circuit faults to improve system safety and reduce electrical risk.
Available in multiple current ratings, pole configurations, and B/C/D trip curves for different load types.
Suitable for electrical wholesalers, panel builders, OEM brands, contractors, and distribution board manufacturers.
Aplicações típicas
For branch circuit protection in residential and commercial distribution boxes.
For low-voltage panel protection in machine control and light industrial systems.
For lighting circuits, socket circuits, and small power distribution systems.
For manufacturers that need stable supply, private labeling, and batch production.
How to Select the Right LYM5-63 MCB
Note: Final model selection should be confirmed according to the electrical system design, installation environment, cable size, load type, and local standards.
Built to Protect. Trusted to Last.
LEEYEE supplies miniature circuit breakers and related low-voltage protection products for electrical distributors, panel builders, contractors, and OEM customers. We support stable batch supply, product matching, private label options, and export orders.
FAQ
What is the LYM5-63 MCB used for?
It is used for overload and short-circuit protection in low-voltage AC circuits, such as distribution boards, control panels, and commercial electrical systems.
What current ratings are available?
Common ratings include 6A, 10A, 16A, 20A, 25A, 32A, 40A, 50A, and 63A.
What is the difference between B, C, and D curve?
B curve is usually used for sensitive or low-inrush loads, C curve is common for general distribution, and D curve is used for loads with higher starting current.
Can LEEYEE support OEM or private label orders?
Yes. LEEYEE supports OEM supply for electrical distributors, panel builders, and brands that need stable batch production and export packaging.
Is this product suitable for solar DC circuits?
This LYM5-63 model is positioned as an AC miniature circuit breaker. For solar PV DC systems, please select a dedicated DC MCB according to system voltage and polarity requirements.







