Our 10–20 Amp MCBs and circuit breakers provide reliable protection for a wide range of electrical circuits in domestic and light commercial installations. Designed to interrupt overcurrent safely, these miniature circuit breakers are commonly used where controlled load handling and circuit protection are required. This collection covers popular ratings used every day by electricians and installers.

Within this range you will find 10A, 13A, 16A and 20A MCBs suitable for consumer units and distribution boards. These products are typically chosen by trade electricians, contractors and competent DIYers who need dependable circuit control for new installs, upgrades or maintenance work. Each breaker is selected to meet common UK installation needs.

10–20 amp circuit breakers are often used for lighting circuits, radial sockets, immersion heaters, internal power supplies and similar applications. They suit both residential properties and smaller commercial spaces where individual circuits need clear protection. Whether you are replacing a faulty MCB or planning additional circuits, this range supports straightforward, practical solutions.

When choosing an MCB, it is important to confirm the required current rating, the number of poles, and compatibility with the existing consumer unit. Load characteristics and intended use will influence whether a lower or higher amperage is appropriate. Always match the breaker to the circuit design and follow current wiring regulations.

SND Electrical stocks 10–20A MCBs and circuit breakers from established electrical manufacturers known for consistency and build quality. Products are supplied for standard UK systems and are intended for use by qualified persons who understand installation requirements.

If you need help selecting the right 10–20 amp MCB or have a question about your application, our team is happy to assist. Please fill out our contact form and we will get back to you with practical support.