MCBs

(138 products)

An MCB, or miniature circuit breaker, is an isolating component installed within a supply board which is designed to automatically trip the circuit if a fault is detected. This means that the power supply is cut off to prevent damage to the circuit, which is typically triggered by an overload or short. A bimetallic strip within the unit heats and bends if a continuous overcurrent comes into contact with it which then trips the switch. There are different MCB types for various applications with a wide range of amp ratings and trip curves available to suit any installation requirements.

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Crabtree Starbreaker 6A SP Type B MCB (44318)

Great Value Product
Product rating
4.7 out of 5 stars
(3)
Crabtree Starbreaker 6A SP Type B  MCB

£3.49

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British General 10A SP Type B MCB (92222)

Great Value Product
Product rating
5 out of 5 stars
(6)
British General  10A SP Type B  MCB

£3.69

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British General 50A SP Type B MCB (29341)

Great Value Product
Product rating
4.8 out of 5 stars
(8)
British General  50A SP Type B  MCB

£3.69

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Crabtree Starbreaker 16A SP Type B MCB (98018)

Great Value Product
Product rating
4.3 out of 5 stars
(6)
Crabtree Starbreaker 16A SP Type B  MCB

£3.49

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Schneider Electric Easy9 32A SP Type B MCB (8402P)

Great Value Product
Product rating
4.5 out of 5 stars
(4)
Schneider Electric Easy9 32A SP Type B  MCB

£3.29

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Schneider Electric Easy9 16A SP Type B MCB (8890P)

Great Value Product
Product rating
4.7 out of 5 stars
(3)
Schneider Electric Easy9 16A SP Type B  MCB

£3.29

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Crabtree Starbreaker 40A SP Type B MCB (29881)

Great Value Product
Product rating
4.6 out of 5 stars
(8)
Crabtree Starbreaker 40A SP Type B  MCB

£5.49

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Chint EBG 20A SP Type B MCB (2317V)

Great Value Product
Product rating
4.8 out of 5 stars
(4)
Chint EBG 20A SP Type B  MCB

£2.79

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Chint EBG 6A SP Type B MCB (6786V)

Great Value Product
Product rating
4.8 out of 5 stars
(6)
Chint EBG 6A SP Type B  MCB

£2.79

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British General 16A SP Type C MCB (78793)

Great Value Product
Product rating
5 out of 5 stars
(2)
British General  16A SP Type C  MCB

£3.99

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Chint EBG 10A SP Type B MCB (3746V)

Product rating
0 out of 5 stars
Chint EBG 10A SP Type B  MCB

£2.79

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Schneider Electric Easy9 20A SP Type B MCB (5347P)

Great Value Product
Product rating
4.5 out of 5 stars
(2)
Schneider Electric Easy9 20A SP Type B  MCB

£3.29

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Eaton Memera 32A SP Type B MCB (939FX)

Product rating
5 out of 5 stars
(1)
Eaton Memera 32A SP Type B  MCB

£3.99

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British General 32A SP Type C MCB (39992)

Great Value Product
Product rating
5 out of 5 stars
(3)
British General  32A SP Type C  MCB

£3.99

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Crabtree Starbreaker 20A SP Type B MCB (77666)

Great Value Product
Product rating
4.6 out of 5 stars
(5)
Crabtree Starbreaker 20A SP Type B  MCB

£3.49

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Schneider Electric IKQ 32A SP Type C MCB (165HV)

Product rating
4.5 out of 5 stars
(2)
Schneider Electric IKQ 32A SP Type C  MCB

£11.99

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Chint NB1 16A TP Type C 3-Phase MCB (6686V)

Product rating
0 out of 5 stars
Chint NB1 16A TP Type C 3-Phase MCB

£12.99

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Schneider Electric IKQ 6A TP Type C 3-Phase MCB (236HV)

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0 out of 5 stars
Schneider Electric IKQ 6A TP Type C 3-Phase MCB

£53.99

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Schneider Electric Easy9 6A SP Type B MCB (6512P)

Great Value Product
Product rating
5 out of 5 stars
(2)
Schneider Electric Easy9 6A SP Type B  MCB

£3.29

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Wylex 6A TP Type B 3-Phase MCB (3837P)

Product rating
0 out of 5 stars
Wylex  6A TP Type B 3-Phase MCB

£24.57

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