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MCB's Miniature Circuit Breakers Online


Miniature Circuit Breakers (MCBs) are designed to detect overcurrent's as a result of both overloads and faults. Our range of MCBs offers flexible and versatile solutions for your electrical installations. We also offer the tools and accessories you may need to install your MCBs.
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Fusebox MT10B401 SP B Curve 40 Amp MCB 10kA
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Fusebox MT10B401 SP B Curve 40 Amp MCB 10kA

Single pole MCB for use in Fusebox Three Phase Distribution, 40 Amp B Curve MCB 10ka rating.
  • £4.00
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Fusebox MT10C401 SP C Curve 40 Amp MCB 10kA
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Fusebox MT10C401 SP C Curve 40 Amp MCB 10kA

Single pole MCB for use in Fusebox Three Phase Distribution, 40 Amp C Curve MCB 10ka rating.
  • £4.00
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Wylex PSBL40-C 40A NHTN MCB SP Type C
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Wylex PSBL40-C 40A NHTN MCB SP Type C

Wylex PSBL40-C 40A NHTN MCB SP Type C designed for the Wylex NHTN Three Phase Distribution Boards.
  • £4.95
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Wylex PSBL40-B 40A NHTN MCB SP Type B
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Wylex PSBL40-B 40A NHTN MCB SP Type B

Wylex PSBL40-B 40A NHTN MCB SP Type B designed for the Wylex NHTN Three Phase Distribution Boards.
  • £4.95
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Hager NBN140A MCB 40A SP Type B
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Hager NBN140A MCB 40A SP Type B

Hager MCB 40A 10kA SP Type B MCB suitable for use with the Hager Commercial Distribution Boards.
  • £6.99
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Hager NCN140A MCB 40A SP Type C
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Hager NCN140A MCB 40A SP Type C

Hager MCB 40A 10kA SP Type C MCB suitable for use with the Hager Commercial Distribution Boards.
  • £6.99
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Fusebox MT10B403 Triple Pole B Curve 40 Amp MCB 10kA
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Fusebox MT10B403 Triple Pole B Curve 40 Amp MCB 10kA

Triple pole MCB for use in Fusebox Three Phase Distribution, 40 Amp B Curve MCB 10ka rating.
  • £12.00
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Fusebox MT10C403 Triple Pole C Curve 40 Amp MCB 10kA
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Fusebox MT10C403 Triple Pole C Curve 40 Amp MCB 10kA

Triple pole MCB for use in Fusebox Three Phase Distribution, 40 Amp C Curve MCB 10ka rating.
  • £12.00
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Wylex PSBL340-B 40A NHTN MCB Triple Pole Type B
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Wylex PSBL340-B 40A NHTN MCB Triple Pole Type B

Wylex PSBL340-B 40A NHTN MCB Triple Pole Type B MCB designed for the Wylex NHTN Three Phase Distribution Boards.
  • £23.50
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Wylex PSBL340-C 40A NHTN MCB Triple Pole Type C
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Wylex PSBL340-C 40A NHTN MCB Triple Pole Type C

Wylex PSBL340-C 40A NHTN MCB Triple Pole Type C MCB designed for the Wylex NHTN Three Phase Distribution Boards.
  • £23.50
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Hager NBN340A MCB 40A 10kA TP Type B
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Hager NBN340A MCB 40A 10kA TP Type B

Hager MCB 40A 10kA Triple Pole Type B MCB suitable for use with the Hager Three Phase Commercial Distribution Boards.
  • £42.00
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Hager NCN340A MCB 40A 10kA TP Type C
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Hager NCN340A MCB 40A 10kA TP Type C

Hager MCB 40A 10kA Triple Pole Type C MCB suitable for use with the Hager Three Phase Commercial Distribution Boards.
  • £42.00
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