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  MCBs (5,082 items)

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Siemens SENTRON 5SY4 MCB, 1P, 80A Curve B, 400V AC, 72V DC / 2128950 (2 offers) 
The Siemens 5SY4 series Single-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. Sieme...
Siemens
5SY4180-6
n/a
from £ 17.70*
per piece
Siemens SENTRON 5SY4 MCB, 1P, 80A Curve C, 400V AC, 72V DC, 5 kA Breaking Capacity / 2128951 (2 offers) 
The Siemens 5SY4 series Single-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. Sieme...
Siemens
5SY4180-7
n/a
from £ 25.76*
per piece
Siemens 5SY4108-7 circuit breaker Miniature circuit breaker 1 (2 offers) 
Miniature circuit breaker 230/400 V 10kA, 1-pole, C, 8A, D=70 mm
Siemens
5SY41087
n/a
from £ 11.39*
per piece
Siemens SENTRON 5SY4 MCB, 1P, 8A Curve D, 400V AC, 72V DC, 5 kA Breaking Capacity / 2128824 (2 offers) 
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
5SY4108-8
n/a
from £ 15.71*
per piece
Siemens SENTRON 5SY4 MCB, 1P, 8A, Type A, 5 kA Breaking Capacity / 2132591 (2 offers) 
The Siemens Sentron miniature circuit breakers, are a type of switch used to automatically turn off electrical circuits during abnormal conditions. MCBs often replace fuses in low voltage electrica...
Siemens
5SY4108-5
n/a
from £ 15.74*
per piece
Siemens SENTRON 5SY4 MCB, 2P, 1.6A Curve C, 400V AC, 72V DC, 10 kA Breaking Capacity / 2096005 (2 offers) 
The Siemens 5SY4215-7 Miniature Circuit Breakers operate at 72 V DC and 1.6 A at AC. It has switching capacity of 10 kA according to EN 60898. These are ideal for application in large non-residenti...
Siemens
5SY4215-7
n/a
from £ 31.22*
per piece
Siemens SENTRON 5SY4 MCB, 2P, 1.6A Curve D, 400V AC, 72V DC, 10 kA Breaking Capacity / 2096594 (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
5SY4215-8
n/a
from £ 44.22*
per piece
Siemens SENTRON 5SY4 MCB, 2P, 13A Curve B, 400V AC, 72V DC, 5 kA Breaking Capacity / 2103400 (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
5SY4213-6
n/a
from £ 20.46*
per piece
Siemens SENTRON 5SY4 MCB, 2P, 13A Curve C, 400V AC, 72V DC, 5 kA Breaking Capacity / 2097513 (2 offers) 
The Siemens 5SY4 series two-pole miniature circuit breaker has a current rating of 13 A and 10 kA breaking capacity. The miniature circuit breaker is the fuse for short-circuit protection. Siemens ...
Siemens
5SY4213-7
n/a
from £ 26.13*
per piece
Siemens SENTRON 5SY4 MCB, 2P, 13A Curve D, 400V AC, 72V DC, 10 kA Breaking Capacity / 2096591 (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
5SY4213-8
n/a
from £ 36.31*
per piece
Siemens SENTRON 5SY4 MCB, 2P, 300mA Curve C, 400V AC, 72V DC, 10 kA Breaking Capacity / 2096004 (2 offers) 
The Siemens 5SY4214-7 Miniature Circuit Breakers operate at 72 V DC and 0.3 A at AC. It has switching capacity of 10 kA according to EN 60898. These are ideal for application in large non-residenti...
Siemens
5SY4214-7
n/a
from £ 31.30*
per piece
Siemens SENTRON 5SY4 MCB, 2P, 300mA Curve D, 400V AC, 72V DC, 10 kA Breaking Capacity / 2096593 (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
5SY4214-8
n/a
from £ 44.37*
per piece
Siemens SENTRON 5SY4 MCB, 2P, 3A Curve D, 400V AC, 72V DC, 10 kA Breaking Capacity / 2096588 (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
5SY4203-8
n/a
from £ 44.31*
per piece
Siemens SENTRON 5SY4 MCB, 2P, 500mA Curve D, 400V AC, 72V DC, 10 kA Breaking Capacity / 2096589 (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
5SY4205-8
n/a
from £ 44.38*
per piece
Siemens SENTRON 5SY4 MCB, 2P, 80A Curve B, 400V AC, 72V DC, 5 kA Breaking Capacity / 2103401 (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
5SY4280-6
n/a
from £ 49.84*
per piece
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