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  MCBs (1,622 items)

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Siemens SENTRON 5SY4 MCB, 1P, 300mA Curve D, 400V AC, 72V DC, 10 kA Breaking Capacity / 2096585 (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
5SY4114-8
from £ 15.76*
per piece
 
 piece
Siemens SENTRON 5SY4 MCB, 1P, 32A, Type A, 5 kA Breaking Capacity / 2132596 (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
5SY4132-5
from £ 15.86*
per piece
 
 piece
Siemens SENTRON 5SY4 MCB, 1P, 3A Curve D, 400V AC, 72V DC, 10 kA Breaking Capacity / 2096584 (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
5SY4103-8
from £ 15.87*
per piece
 
 piece
Siemens SENTRON 5SY4 MCB, 1P, 40A, Type A, 5 kA Breaking Capacity / 2176965 (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
5SY4140-5
from £ 19.88*
per piece
 
 piece
Siemens SENTRON 5SY4 MCB, 1P, 4A Curve B, 10 kA Breaking Capacity / 2027143 (2 offers) 
The Siemens miniature circuit breaker are current limiting design provide the highest quality and reliability. It has a quick and easy installation. It has DIN rail assembly mounting type. Its used...
Siemens
5SY4104-6
from £ 9.12*
per piece
 
 piece
Siemens SENTRON 5SY4 MCB, 1P, 4A, Type A, 10 kA Breaking Capacity / 2027061 (2 offers) 
The Siemens miniature circuit breaker are current limiting design provide the highest quality and reliability. It has a quick and easy installation. It has DIN rail assembly mounting type. Its used...
Siemens
5SY4104-5
from £ 15.80*
per piece
 
 piece
Siemens SENTRON 5SY4 MCB, 1P, 500mA Curve D, 400V AC, 72V DC, 5 kA Breaking Capacity / 2128823 (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
5SY4105-8
from £ 15.79*
per piece
 
 piece
Siemens SENTRON 5SY4 MCB, 1P, 5A Curve C, 400V AC, 72V DC, 5 kA Breaking Capacity / 2131070 (2 offers) 
The Siemens 5SY4111-7 Miniature Circuit Breakers operate at 72 V DC and 5A at AC. It has switching capacity of 10 kA according to EN 60898. These are ideal for application in large non-residential ...
Siemens
5SY4111-7
from £ 11.35*
per piece
 
 piece
Siemens SENTRON 5SY4 MCB, 1P, 6A, Type A, 10 kA Breaking Capacity / 2027066 (2 offers) 
The Siemens miniature circuit breaker are current limiting design provide the highest quality and reliability. It has a quick and easy installation. It has DIN rail assembly mounting type. Its used...
Siemens
5SY4106-5
from £ 15.85*
per piece
 
 piece
Siemens SENTRON 5SY4 MCB, 1P, 6A, Type A, 10 kA Breaking Capacity / 2027121 (2 offers) 
The Siemens miniature circuit breaker are current limiting design provide the highest quality and reliability. It has a quick and easy installation. It has DIN rail assembly mounting type. Its used...
Siemens
5SY4116-5
from £ 13.13*
per piece
 
 piece
Siemens SENTRON 5SY4 MCB, 1P, 80A Curve B, 400V AC, 72V DC / 2128950 (1 offer) 
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
£ 59.806*
per piece
 
 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
from £ 25.94*
per piece
 
 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
from £ 11.53*
per piece
 
 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
from £ 15.75*
per piece
 
 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
from £ 15.77*
per piece
 
 piece
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* Prices with asterisk are net prices excl. statutory VAT.
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