Skip to content
Free shipping over £150*
Free shipping over £150*

MCB Miniature Circuit Breakers

Filters

MCBs — Miniature Circuit Breakers for Domestic & Commercial Installations RS Electrical Supplies stocks a wide range of MCBs (Miniature Circuit Breakers) for use in consumer units and distribution boards across domestic, commercial, and...

MCBs — Miniature Circuit Breakers for Domestic & Commercial Installations

RS Electrical Supplies stocks a wide range of MCBs (Miniature Circuit Breakers) for use in consumer units and distribution boards across domestic, commercial, and light industrial applications. MCBs provide reliable overload and short circuit protection, automatically disconnecting a circuit when a fault is detected.

Choosing the Right MCB for Your Installation

MCBs are available in Type B, Type C, and Type D trip characteristics to suit different load types — Type B for standard domestic circuits, Type C for commercial loads with higher inrush currents, and Type D for specialist industrial equipment. Our range covers a variety of current ratings from 6A to 63A, including popular options such as 10A, 16A, 20A, 32A, and 50A, from trusted brands including BG, Fusebox, and Hager, compatible with their respective consumer unit and distribution board ranges. All products comply with BS EN 60898 and include single pole options where required.

Can't find the MCB you need? Contact us — we can source most circuit protection products on the market. 

MCBs — Miniature Circuit Breakers for Domestic & Commercial Installations RS Electrical Supplies stocks a wide range of MCBs (Miniature Circuit Breakers) for use in consumer units and distribution boards across domestic, commercial, and...

MCBs — Miniature Circuit Breakers for Domestic & Commercial Installations

RS Electrical Supplies stocks a wide range of MCBs (Miniature Circuit Breakers) for use in consumer units and distribution boards across domestic, commercial, and light industrial applications. MCBs provide reliable overload and short circuit protection, automatically disconnecting a circuit when a fault is detected.

Choosing the Right MCB for Your Installation

MCBs are available in Type B, Type C, and Type D trip characteristics to suit different load types — Type B for standard domestic circuits, Type C for commercial loads with higher inrush currents, and Type D for specialist industrial equipment. Our range covers a variety of current ratings from 6A to 63A, including popular options such as 10A, 16A, 20A, 32A, and 50A, from trusted brands including BG, Fusebox, and Hager, compatible with their respective consumer unit and distribution board ranges. All products comply with BS EN 60898 and include single pole options where required.

Can't find the MCB you need? Contact us — we can source most circuit protection products on the market. 

FuseBox 10A C Curve 6kA Single Pole MCB MT06C101

Fusebox
Original price £3.36 - Original price £3.36
Original price
£3.36
£3.36 - £3.36
Current price £3.36

The FuseBox 10A C Curve 6kA Single Pole MCB MT06C101 provides overload and short-circuit protection for compatible FuseBox consumer units and distr...

View full details
Original price £3.36 - Original price £3.36
Original price
£3.36
£3.36 - £3.36
Current price £3.36

FuseBox 50A B Curve 6kA Single Pole MCB MT06B501

Fusebox
Original price £2.95 - Original price £2.95
Original price
£2.95
£2.95 - £2.95
Current price £2.95

The FuseBox 50A B Curve 6kA Single Pole MCB MT06B501 provides overload and short-circuit protection for compatible FuseBox consumer units and distr...

View full details
Original price £2.95 - Original price £2.95
Original price
£2.95
£2.95 - £2.95
Current price £2.95

FuseBox 40A B Curve 6kA Single Pole MCB MT06B401

Fusebox
Original price £2.95 - Original price £2.95
Original price
£2.95
£2.95 - £2.95
Current price £2.95

The FuseBox 40A B Curve 6kA Single Pole MCB MT06B401 provides overload and short-circuit protection for compatible FuseBox consumer units and distr...

View full details
Original price £2.95 - Original price £2.95
Original price
£2.95
£2.95 - £2.95
Current price £2.95

FuseBox 32A B Curve 6kA Single Pole MCB MT06B321

Fusebox
Original price £2.95 - Original price £2.95
Original price
£2.95
£2.95 - £2.95
Current price £2.95

The FuseBox 32A B Curve 6kA Single Pole MCB MT06B321 provides overload and short-circuit protection for compatible FuseBox consumer units and distr...

View full details
Original price £2.95 - Original price £2.95
Original price
£2.95
£2.95 - £2.95
Current price £2.95

FuseBox 16A B Curve 6kA Single Pole MCB MT06B161

Fusebox
Original price £2.95 - Original price £2.95
Original price
£2.95
£2.95 - £2.95
Current price £2.95

The FuseBox 16A B Curve 6kA Single Pole MCB MT06B161 provides overload and short-circuit protection for compatible FuseBox consumer units and distr...

View full details
Original price £2.95 - Original price £2.95
Original price
£2.95
£2.95 - £2.95
Current price £2.95

FuseBox 63A B Curve 6kA Single Pole MCB MT06B631

Fusebox
Original price £3.33 - Original price £3.33
Original price
£3.33
£3.33 - £3.33
Current price £3.33

The FuseBox 63A B Curve 6kA Single Pole MCB MT06B631 provides overload and short-circuit protection for compatible FuseBox consumer units and distr...

View full details
Original price £3.33 - Original price £3.33
Original price
£3.33
£3.33 - £3.33
Current price £3.33

FuseBox 20A B Curve 6kA Single Pole MCB MT06B201

Fusebox
Original price £2.95 - Original price £2.95
Original price
£2.95
£2.95 - £2.95
Current price £2.95

The FuseBox 20A B Curve 6kA Single Pole MCB MT06B201 provides overload and short-circuit protection for compatible FuseBox consumer units and distr...

View full details
Original price £2.95 - Original price £2.95
Original price
£2.95
£2.95 - £2.95
Current price £2.95

FuseBox 25A B Curve 6kA Single Pole MCB MT06B251

Fusebox
Original price £2.95 - Original price £2.95
Original price
£2.95
£2.95 - £2.95
Current price £2.95

The FuseBox 25A B Curve 6kA Single Pole MCB MT06B251 provides overload and short-circuit protection for compatible FuseBox consumer units and distr...

View full details
Original price £2.95 - Original price £2.95
Original price
£2.95
£2.95 - £2.95
Current price £2.95

FuseBox 10A B Curve 6kA Single Pole MCB MT06B101

Fusebox
Original price £2.95 - Original price £2.95
Original price
£2.95
£2.95 - £2.95
Current price £2.95

The FuseBox 10A B Curve 6kA Single Pole MCB MT06B101 provides overload and short-circuit protection for compatible FuseBox consumer units and distr...

View full details
Original price £2.95 - Original price £2.95
Original price
£2.95
£2.95 - £2.95
Current price £2.95

FuseBox 6A B Curve 6kA Single Pole MCB MT06B061

Fusebox
Original price £2.95 - Original price £2.95
Original price
£2.95
£2.95 - £2.95
Current price £2.95

The FuseBox 6A B Curve 6kA Single Pole MCB MT06B061 provides overload and short-circuit protection for compatible FuseBox consumer units and distri...

View full details
Original price £2.95 - Original price £2.95
Original price
£2.95
£2.95 - £2.95
Current price £2.95

Free shipping

When you spend £150.00+

Independant

Family run business

Chat with us

8-5pm Mon-Fri

Visit us

Open to trade & public