Ex. VAT
Inc. VAT
MCB World Logo
Shop Now About Us MCB Finder
£0.00 0

Cart

No products in the cart.

Continue shopping
MCB World Logo
£0.00 0

Cart

No products in the cart.

Continue shopping

Quality second-hand MCBs, ready to install

We offer high quality tested second hand circuit breakers to fit your boards.
View Inventory

Next Day Delivery

We deliver our MCBs anywhere in the UK with our next day delivery

Tested For Quality

All our MCBs are tested to ensure they pass our strict quality standard

We Find MCBs

Looking for a specific MCB? Tell us what you're looking for and we'll find it

Our top picks

View All Inventory
A hand testing an MCB

About Us

MCB World is an independent online retailer of second hand MCBs and circuit breakers based in the United Kingdom. Started in 2026, MCB World is the UK's best independent seller of used MCBs, with next day nationwide delivery and MCBs that are all individually tested for quality.

MCB World

About Us Find MCB Contact Us
Shop
Returns Policy Privacy Policy Terms & Conditions
MCB World 2026 Website by HelloHorizon, products synced in real-time with ShelfSync