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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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Hager MTN150 MCB 50A SP Type B
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Hager MTN150 MCB 50A SP Type B

Hager MCB 50A SP Type B MCB suitable for most domestic small commercial building protection applications.
  • £3.50
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Hager MTN163 MCB 63A SP Type B
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Hager MTN163 MCB 63A SP Type B

Hager MCB 63A SP Type B MCB suitable for most domestic small commercial building protection applications.
  • £3.50
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Fusebox MT10B061 SP B Curve 6 Amp MCB 10kA
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Fusebox MT10B061 SP B Curve 6 Amp MCB 10kA

Single pole MCB for use in Fusebox Three Phase Distribution, 6 Amp B Curve MCB 10ka rating.
  • £4.00
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Fusebox MT10B101 SP B Curve 10 Amp MCB 10kA
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Fusebox MT10B101 SP B Curve 10 Amp MCB 10kA

Single pole MCB for use in Fusebox Three Phase Distribution, 10 Amp B Curve MCB 10ka rating.
  • £4.00
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Fusebox MT10B161 SP B Curve 16 Amp MCB 10kA
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Fusebox MT10B161 SP B Curve 16 Amp MCB 10kA

Single pole MCB for use in Fusebox Three Phase Distribution, 16 Amp B Curve MCB 10ka rating.
  • £4.00
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Fusebox MT10B201 SP B Curve 20 Amp MCB 10kA
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Fusebox MT10B201 SP B Curve 20 Amp MCB 10kA

Single pole MCB for use in Fusebox Three Phase Distribution, 20 Amp B Curve MCB 10ka rating.
  • £4.00
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Fusebox MT10B251 SP B Curve 25 Amp MCB 10kA
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Fusebox MT10B251 SP B Curve 25 Amp MCB 10kA

Single pole MCB for use in Fusebox Three Phase Distribution, 25 Amp B Curve MCB 10ka rating.
  • £4.00
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Fusebox MT10B321 SP B Curve 32 Amp MCB 10kA
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Fusebox MT10B321 SP B Curve 32 Amp MCB 10kA

Single pole MCB for use in Fusebox Three Phase Distribution, 32 Amp B Curve MCB 10ka rating.
  • £4.00
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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 MT10B501 SP B Curve 50 Amp MCB 10kA
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Fusebox MT10B501 SP B Curve 50 Amp MCB 10kA

Single pole MCB for use in Fusebox Three Phase Distribution, 50 Amp B Curve MCB 10ka rating.
  • £4.00
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Fusebox MT10B631 SP B Curve 63 Amp MCB 10kA
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Fusebox MT10B631 SP B Curve 63 Amp MCB 10kA

Single pole MCB for use in Fusebox Three Phase Distribution, 63 Amp B Curve MCB 10ka rating.
  • £4.00
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MK CIRCPRO H5906S 6A MCB SP Type B
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MK CIRCPRO H5906S 6A MCB SP Type B

MK H5906S 6A MCB SP Type B to be used with the new MK CIRCPRO Sentry Consumer Units
  • £4.50
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