MCBs

Miniature circuit breakers, known as MCBs, can turn off electrical circuits in the event of a problem. They’re a type of switch found in a supply board or fuse boxes, designed to prevent damage caused by a short or overload.

What is the Function of MCB?

By automatically cutting off the power, circuit breakers like MCBs help protect electrical systems, appliances and other equipment from damage. Circuit breakers, including RCCBs and RCBOs, also protect users from dangerous electric shocks.

What are the Different Types of MCBs?

There are different types of MCB based on their usage in domestic, commercial and industrial settings. Type B trips between 3 and 5 times its load current. Type C will trip between 5 and 10 times, and Type D between 10 and 20. The latter is best suited for industrial applications with high inductive loads. At Toolstation, we stock many MCBs and accessories from leading brands like Contactum, Protek, Wylex, Crabtree Loadstar and Axiom. This includes top-quality MCBs constructed with high integrity metal for durability.
                                Axiom Axiom Axiom MCB 16A SP Type B - 53393 - from Toolstation ( 75 )
                                53393 Axiom MCB 16A SP Type B
                                £3.08
                                ex. VAT £2.57
                                Each

                                Single pole. To EN 60898.

                                Axiom Axiom Axiom MCB 32A SP Type B - 17955 - from Toolstation ( 25 )
                                17955 Axiom MCB 32A SP Type B
                                £3.08
                                ex. VAT £2.57
                                Each

                                Single pole. To EN 60898.

                                Axiom Axiom Axiom MCB 20A SP Type B - 77567 - from Toolstation ( 75 )
                                77567 Axiom MCB 20A SP Type B
                                £3.08
                                ex. VAT £2.57
                                Each

                                Single pole. To EN 60898.

                                Axiom Axiom Axiom MCB Blank 4 Module Plastic - 65704 - from Toolstation ( 75 )
                                £0.51
                                ex. VAT £0.42
                                Each

                                Single pole. To EN 60898.

                                Axiom Axiom Axiom MCB 6A SP Type B - 26107 - from Toolstation ( 75 )
                                26107 Axiom MCB 6A SP Type B
                                £3.08
                                ex. VAT £2.57
                                Each

                                Single pole. To EN 60898.

                                BG BG BG MCB 16A SP Type B - 19102 - from Toolstation
                                20%Off
                                ( 23 )
                                19102 BG MCB 16A SP Type B
                                £3.09 was £3.87
                                ex. VAT £2.57
                                Each

                                BG BG BG MCB 32A SP Type B - 32911 - from Toolstation
                                20%Off
                                ( 23 )
                                32911 BG MCB 32A SP Type B
                                £3.09 was £3.87
                                ex. VAT £2.57
                                Each

                                Crabtree Loadstar Crabtree Loadstar Crabtree Loadstar MCB 32A Single Pole Type B - 37709 - from Toolstation ( 12 )
                                £4.18
                                ex. VAT £3.48
                                Each

                                BG BG BG MCB 20A SP Type B - 41197 - from Toolstation
                                20%Off
                                ( 23 )
                                41197 BG MCB 20A SP Type B
                                £3.09 was £3.87
                                ex. VAT £2.57
                                Each

                                Axiom Axiom Axiom MCB 40A SP Type B - 86587 - from Toolstation ( 75 )
                                86587 Axiom MCB 40A SP Type B
                                £3.08
                                ex. VAT £2.57
                                Each

                                Single pole circuit breaker. To EN 60898.

                                Wylex Wylex Wylex MCB 32A SP Type B - 16034 - from Toolstation ( 54 )
                                16034 Wylex MCB 32A SP Type B
                                £5.70
                                ex. VAT £4.75
                                Each

                                6kA

                                BG BG BG MCB 6A SP Type B - 16954 - from Toolstation
                                20%Off
                                ( 5 )
                                16954 BG MCB 6A SP Type B
                                £3.09 was £3.87
                                ex. VAT £2.57
                                Each

                                Crabtree Loadstar Crabtree Loadstar Crabtree Loadstar MCB 40A Single Pole Type B - 24617 - from Toolstation ( 12 )
                                £6.49
                                ex. VAT £5.41
                                Each

                                Wylex Wylex Wylex MCB 40A SP Type B - 22073 - from Toolstation ( 54 )
                                22073 Wylex MCB 40A SP Type B
                                £4.54
                                ex. VAT £3.78
                                Each

                                6kA

                                BG BG BG MCB 40A SP Type B - 39042 - from Toolstation
                                20%Off
                                ( 23 )
                                39042 BG MCB 40A SP Type B
                                £3.09 was £3.87
                                ex. VAT £2.57
                                Each

                                Wylex Wylex Wylex MCB 20A SP Type B - 89036 - from Toolstation ( 54 )
                                89036 Wylex MCB 20A SP Type B
                                £5.70
                                ex. VAT £4.75
                                Each

                                6kA

                                Wylex Wylex Wylex MCB 16A SP Type B - 29719 - from Toolstation ( 54 )
                                29719 Wylex MCB 16A SP Type B
                                £5.96
                                ex. VAT £4.97
                                Each

                                6kA

                                Crabtree Loadstar Crabtree Loadstar Crabtree Loadstar MCB 16A Single Pole Type B - 95091 - from Toolstation ( 12 )
                                £4.18
                                ex. VAT £3.48
                                Each

                                Wylex Wylex Wylex MCB 6A SP Type B - 73252 - from Toolstation ( 10 )
                                73252 Wylex MCB 6A SP Type B
                                £5.70
                                ex. VAT £4.75
                                Each

                                6kA

                                Crabtree Loadstar Crabtree Loadstar Crabtree Loadstar MCB 20A Single Pole Type B - 92074 - from Toolstation ( 12 )
                                £4.18
                                ex. VAT £3.48
                                Each

                                Axiom Axiom Axiom MCB 10A SP Type B - 32738 - from Toolstation ( 75 )
                                32738 Axiom MCB 10A SP Type B
                                £3.08
                                ex. VAT £2.57
                                Each

                                Single pole. To EN 60898.

                                BG BG BG MCB Blanks - 70238 - from Toolstation ( 23 )
                                70238 BG MCB Blanks
                                £3.14
                                ex. VAT £2.62
                                10 Pack

                                Wylex Wylex Wylex MCB Metal Blank SP - 96576 - from Toolstation ( 54 )
                                96576 Wylex MCB Metal Blank SP
                                £7.31
                                ex. VAT £6.09
                                10 Pack

                                Metal Twist Fit Cover Blank Plate 10 Pack

                                Crabtree Loadstar Crabtree Loadstar Crabtree Loadstar MCB Metal Blank Single Pole Type B - 11563 - from Toolstation ( 12 )
                                £0.69
                                ex. VAT £0.57
                                Each

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