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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 MT06B401 SP B Curve 40 Amp MCB
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Fusebox MT06B401 SP B Curve 40 Amp MCB

40 Amp Single Pole B Curve MCB is designed to be used with the Fusebox range of 18th edition Metal Consumer Units.
  • £1.95
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BG CUMB40 40A MCB SP Type B
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BG CUMB40 40A MCB SP Type B

BG CUMB40 40A MCB SP Type B to be used with BG Nexus Range of Consumer Units
Customer reviews (1)
  • £2.10
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Elucian CU1MCB40B SP B Curve 40A 6KA MCB
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Elucian CU1MCB40B SP B Curve 40A 6KA MCB

Elucian CU1MCB40B Single Pole 40 Amp 6KA MCB designed to be used with the Elucian Range of Consumer Units.
  • £2.15
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Elucian CU1MCB40C SP C Curve 40A 6KA MCB
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Elucian CU1MCB40C SP C Curve 40A 6KA MCB

Elucian CU1MCB40C Single Pole 40 Amp 6KA MCB designed to be used with the Elucian Range of Consumer Units.
  • £2.15
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CED Axiom MCB 40A SP Type B CED Axiom MCB 40A SP Type B
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CED Axiom MCB 40A SP Type B

CED MCB 40A SP Type B MCB suitable for most domestic small commercial building protection applications.
  • £2.20
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Wylex NHXLB40 40A MCB SP Type B Wylex NHXLB40 40A MCB SP Type B
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Wylex NHXLB40 40A MCB SP Type B

New Style Wylex NHXB40 40A MCB SP Type B
Customer reviews (1)
  • £2.85
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BG CUMC40 40A MCB SP Type C
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BG CUMC40 40A MCB SP Type C

BG CUMC40 40A MCB SP Type C to be used with BG Nexus Range of Consumer Units
  • £2.95
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Wylex NHXLC40 40A MCB SP Type C Wylex NHXLC40 40A MCB SP Type C
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Wylex NHXLC40 40A MCB SP Type C

Wylex NHXLC40 40A MCB SP Type C
  • £3.50
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Hager MTN140 MCB 40A SP Type B
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Hager MTN140 MCB 40A SP Type B

Hager MCB 40A SP Type B MCB suitable for most domestic small commercial building protection applications.
  • £3.50
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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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MK CIRCPRO H5940S 40A MCB SP Type B
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MK CIRCPRO H5940S 40A MCB SP Type B

MK H5940S 40A MCB SP Type B to be used with the new MK CIRCPRO Sentry Consumer Units
  • £4.50
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