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  MCBs (5,187 items)

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Siemens SENTRON 5SP4 MCB, 1P, 80A Curve C, 400V AC / 2096657 (2 offers) 
The Siemens SENTRON series miniature circuit breaker has a single pole and has a current breaking capacity of 10kA. In the event of an overload or short-circuit this miniature circuit breakers safe...
Siemens
5SP4180-7
from £ 53.372*
per piece
from £ 53.372*
per piece
Siemens SENTRON 5SP4 MCB, 1P, 80A Curve D, 400V AC, 10 kA Breaking Capacity / 2096560 (1 offer) 
The miniature circuit breaker provides voltage of 230/400 V with 1-pole configuration. In the event of an overload or short-circuit, circuit breakers safely cut off the connected circuit and reliab...
Siemens
5SP4180-8
from £ 61.225*
per piece
from £ 61.225*
per piece
Siemens SENTRON 5SP4 MCB, 2P, 100A Curve B, 400V AC / 2128949 (1 offer) 
The Siemens 5SP4 series 2-pole miniature circuit breaker has a current rating of 100 A and 10 kA breaking capacity. The miniature circuit breaker is the fuse for short-circuit protection. Siemens o...
Siemens
5SP4291-6
from £ 142.748*
per piece
from £ 142.748*
per piece
Siemens SENTRON 5SP4 MCB, 2P, 100A Curve C, 400V AC / 2131067 (1 offer) 
The Siemens 5SP4291-7 Miniature Circuit Breakers operate at 440 V and 100 A, at AC. It has switching capacity of 10 kA. These provide high functionality and are ideal for application areas with str...
Siemens
5SP4291-7
from £ 171.445*
per piece
from £ 171.445*
per piece
Siemens SENTRON 5SP4 MCB, 2P, 100A Curve D, 400V AC, 10 kA Breaking Capacity / 2096562 (1 offer) 
The miniature circuit breaker provides voltage of 400 V with 2-pole configuration. In the event of an overload or short-circuit, circuit breakers safely cut off the connected circuit and reliably p...
Siemens
5SP4291-8
from £ 175.711*
per piece
from £ 175.711*
per piece
Siemens SENTRON 5SP4 MCB, 2P, 125A Curve B, 400V AC / 2097505 (1 offer) 
The Siemens 5SP4 series 2-pole miniature circuit breaker has a current rating of 125 A and 10 kA breaking capacity. The miniature circuit breaker is the fuse for short-circuit protection. Siemens o...
Siemens
5SP4292-6
from £ 175.071*
per piece
from £ 175.071*
per piece
Siemens SENTRON 5SP4 MCB, 2P, 125A Curve C, 400V AC / 2128883 (1 offer) 
The Siemens SENTRON series miniature circuit breaker has a double pole and has a current breaking capacity of 10kA. In the event of an overload or short-circuit this miniature circuit breakers safe...
Siemens
5SP4292-7
from £ 231.95*
per piece
from £ 231.95*
per piece
Siemens SENTRON 5SP4 MCB, 2P, 80A Curve B, 400V AC / 2097504 (1 offer) 
The Siemens 5SP4 series 2-pole miniature circuit breaker has a current rating of 80 A and 10 kA breaking capacity. The miniature circuit breaker is the fuse for short-circuit protection. Siemens of...
Siemens
5SP4280-6
from £ 128.102*
per piece
from £ 128.102*
per piece
Siemens SENTRON 5SP4 MCB, 2P, 80A Curve C, 400V AC, 10 kA Breaking Capacity / 2096001 (1 offer) 
The Siemens 5SP4280-7 Miniature Circuit Breakers operate at 440 V and 80 A, at AC. It has switching capacity of 10 kA. These provide high functionality and are ideal for application areas with stri...
Siemens
5SP4280-7
from £ 145.316*
per piece
from £ 145.316*
per piece
Siemens SENTRON 5SP4 MCB, 2P, 80A Curve D, 400V AC, 10 kA Breaking Capacity / 2096561 (2 offers) 
The miniature circuit breaker provides voltage of 400 V with 2-pole configuration. In the event of an overload or short-circuit, circuit breakers safely cut off the connected circuit and reliably p...
Siemens
5SP4280-8
from £ 128.70*
per piece
from £ 128.70*
per piece
Siemens SENTRON 5SP4 MCB, 3P, 100A Curve B, 400V AC / 2103394 (1 offer) 
The Siemens 5S series Miniature Circuit Breaker is used as a fuse for short-circuit protection. Siemens offers a comprehensive portfolio of protection, switching, measuring and monitoring devices, ...
Siemens
5SP4391-6
from £ 179.869*
per piece
from £ 179.869*
per piece
Siemens SENTRON 5SP4 MCB, 3P, 100A Curve D / 2164054 (1 offer) 
The miniature circuit breaker provides voltage of 400 V with 3-pole configuration. In the event of an overload or short-circuit, circuit breakers safely cut off the connected circuit and reliably p...
Siemens
5SP4391-8
from £ 337.286*
per piece
from £ 337.286*
per piece
Siemens SENTRON 5SP4 MCB, 3P, 125A Curve B, 400V AC / 2103395 (2 offers) 
The Siemens 5S series Miniature Circuit Breaker is used as a fuse for short-circuit protection. Siemens offers a comprehensive portfolio of protection, switching, measuring and monitoring devices, ...
Siemens
5SP4392-6
from £ 211.56*
per piece
from £ 211.56*
per piece
Siemens SENTRON 5SP4 MCB, 3P, 125A Curve C, 400V AC / 2131068 (2 offers) 
The Siemens 5SP4392-7 Miniature Circuit Breakers operate at 440 V and 125 A, at AC. It has switching capacity of 10 kA. These provide high functionality and are ideal for application areas with str...
Siemens
5SP4392-7
from £ 232.326*
per piece
from £ 232.326*
per piece
Siemens SENTRON 5SP4 MCB, 3P, 80A Curve B, 400V AC / 2103393 (1 offer) 
The Siemens 5S series Miniature Circuit Breaker is used as a fuse for short-circuit protection. Siemens offers a comprehensive portfolio of protection, switching, measuring and monitoring devices, ...
Siemens
5SP4380-6
from £ 165.505*
per piece
from £ 165.505*
per piece
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* Prices with asterisk are net prices excl. statutory VAT.
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