MCB's

 

We stock well over 20,000 MCBs, Miniature Circuit Breakers, at any one time. From rare Memera 1 or Federal Electric Stab-Lok or Crabtree C63 3 Phase, through to more modern ones, we stock them all.

If you cannot find what you are looking for please Contact Us.

Siemens 5SX21 C50 50A 50 Amp MCB Circuit Breaker Type C
Siemens 5SX21 C50 50A 50 Amp MCB Circuit Breaker Type C

Siemens 5SX21 C63 63A 63 Amp MCB Circuit Breaker Type C

MCB's
£74.99
Siemens 5SX21 C63 63A 63 Amp MCB Circuit Breaker Type C
Siemens 5SX21 C50 50A 50 Amp MCB Circuit Breaker Type C

Siemens 5SX21 C50 50A 50 Amp MCB Circuit Breaker Type C

MCB's
£59.99
Siemens 5SQ21 C63 63A 63 Amp MCB Circuit Breaker Type C
Siemens 5SQ21 C63 63A 63 Amp MCB Circuit Breaker Type C

Siemens 5SQ21 C63 63A 63 Amp MCB Circuit Breaker Type C

MCB's
£49.99
Siemens 5SX21 D40 40A 40 Amp MCB Circuit Breaker Type D
Siemens 5SX21 D40 40A 40 Amp MCB Circuit Breaker Type D

Siemens 5SX21 D40 40A 40 Amp MCB Circuit Breaker Type D

MCB's
£39.99
Siemens 5SX21 B40 40A 40 Amp MCB Circuit Breaker Type B
Siemens 5SX21 B40 40A 40 Amp MCB Circuit Breaker Type B

Siemens 5SX21 B40 40A 40 Amp MCB Circuit Breaker Type B

MCB's
£37.99
Siemens 5SX21 D25 25A 25 Amp MCB Circuit Breaker Type D
Siemens 5SX21 D25 25A 25 Amp MCB Circuit Breaker Type D

Siemens 5SX21 D25 25A 25 Amp MCB Circuit Breaker Type D

MCB's
£31.99
Siemens 5SY43 5SY4340-7 C40 40A 40 Amp 3 Pole Phase MCB Circuit Breaker Type C
Siemens 5SY43 5SY4340-7 C40 40A 40 Amp 3 Pole Phase MCB Circuit Breaker Type C

Siemens 5SY43 5SY4340-7 C40 40A 40 Amp 3 Pole Phase MCB Circuit Breaker Type C

MCB's
£29.99
Siemens 5SN3 G20A G20 20A 20 Amp 3 Pole Phase MCB Circuit Breaker Type G
Siemens 5SN3 G20A G20 20A 20 Amp 3 Pole Phase MCB Circuit Breaker Type G

Siemens 5SN3 G20A G20 20A 20 Amp 3 Pole Phase MCB Circuit Breaker Type G

MCB's
£29.99
Siemens 5SX23 D20 20A 20 Amp 3 Pole Phase MCB Circuit Breaker Type D
Siemens 5SX23 D20 20A 20 Amp 3 Pole Phase MCB Circuit Breaker Type D

Siemens 5SX23 D20 20A 20 Amp 3 Pole Phase MCB Circuit Breaker Type D

MCB's
£24.99
Siemens 5SX21 C20 20A 20 Amp MCB Circuit Breaker Type C
Siemens 5SX21 C20 20A 20 Amp MCB Circuit Breaker Type C

Siemens 5SX21 C20 20A 20 Amp MCB Circuit Breaker Type C

MCB's
£24.99
Siemens 5SX21 D32 32A 32 Amp MCB Circuit Breaker Type D
Siemens 5SX21 D32 32A 32 Amp MCB Circuit Breaker Type D

Siemens 5SX21 D32 32A 32 Amp MCB Circuit Breaker Type D

MCB's
£23.99
Siemens 5SQ21 C20 20A 20 Amp MCB Circuit Breaker Type C
Siemens 5SQ21 C20 20A 20 Amp MCB Circuit Breaker Type C

Siemens 5SQ21 C20 20A 20 Amp MCB Circuit Breaker Type C

MCB's
£19.99
Siemens 5SX21 D13 13A 13 Amp MCB Circuit Breaker Type D
Siemens 5SX21 D13 13A 13 Amp MCB Circuit Breaker Type D

Siemens 5SX21 D13 13A 13 Amp MCB Circuit Breaker Type D

MCB's
£19.99
Siemens 5SY43 5SY4325-7 C25 25A 25 Amp 3 Pole Phase MCB Circuit Breaker Type C
Siemens 5SY43 5SY4325-7 C25 25A 25 Amp 3 Pole Phase MCB Circuit Breaker Type C

Siemens 5SY43 5SY4325-7 C25 25A 25 Amp 3 Pole Phase MCB Circuit Breaker Type C

MCB's
£19.99
Siemens 5SJ61 B6 6A 6 Amp MCB Circuit Breaker Type B
Siemens 5SJ61 B6 6A 6 Amp MCB Circuit Breaker Type B

Siemens 5SJ61 B6 6A 6 Amp MCB Circuit Breaker Type B

MCB's
£19.99
Siemens 5SX21 C32 32A 32 Amp MCB Circuit Breaker Type C
Siemens 5SX21 C32 32A 32 Amp MCB Circuit Breaker Type C

Siemens 5SX21 C32 32A 32 Amp MCB Circuit Breaker Type C

MCB's
£19.99
Siemens 5SN1 SP 16A 16 Amp MCB Circuit Breaker Type 3
Siemens 5SN1 SP 16A 16 Amp MCB Circuit Breaker Type 3

Siemens 5SN1 SP 16A 16 Amp MCB Circuit Breaker Type 3

MCB's
£18.99
Siemens 5SX41 C13 13A 13 Amp MCB Circuit Breaker Type C
Siemens 5SX41 C13 13A 13 Amp MCB Circuit Breaker Type C

Siemens 5SX41 C13 13A 13 Amp MCB Circuit Breaker Type C

MCB's
£12.99
Siemens 5SX21 C16 16A 16 Amp MCB Circuit Breaker Type C
Siemens 5SX21 C16 16A 16 Amp MCB Circuit Breaker Type C

Siemens 5SX21 C16 16A 16 Amp MCB Circuit Breaker Type C

MCB's
£12.99
Siemens 5SX21 B20 20A 20 Amp MCB Circuit Breaker Type B
Siemens 5SX21 B20 20A 20 Amp MCB Circuit Breaker Type B

Siemens 5SX21 B20 20A 20 Amp MCB Circuit Breaker Type B

MCB's
£11.49
Siemens 5SX21 B16 16A 16 Amp MCB Circuit Breaker Type B
Siemens 5SX21 B16 16A 16 Amp MCB Circuit Breaker Type B

Siemens 5SX21 B16 16A 16 Amp MCB Circuit Breaker Type B

MCB's
£10.99
Siemens 5SY61 B40 40A 40 Amp MCB Circuit Breaker Type B
Siemens 5SY61 B40 40A 40 Amp MCB Circuit Breaker Type B

Siemens 5SY61 B40 40A 40 Amp MCB Circuit Breaker Type B

MCB's
£9.99
Siemens 5SX21 C10 10A 10 Amp MCB Circuit Breaker Type C
Siemens 5SX21 C10 10A 10 Amp MCB Circuit Breaker Type C

Siemens 5SX21 C10 10A 10 Amp MCB Circuit Breaker Type C

MCB's
£9.99
Siemens 5SX21 C0.5 0.5A 0.5 Amp MCB Circuit Breaker Type C
Siemens 5SX21 C0.5 0.5A 0.5 Amp MCB Circuit Breaker Type C

Siemens 5SX21 C0.5 0.5A 0.5 Amp MCB Circuit Breaker Type C

MCB's
£9.99
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