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  MCBs (5,075 items)

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Siemens SENTRON 5SY4 MCB, 1P+N, 50A Curve D, 230V AC, 72V DC, 5 kA Breaking Capacity / 2128839 (2 offers) 
The miniature circuit breaker provides voltage of 230 V with 1+N-pole configuration. In the event of an overload or short-circuit, circuit breakers safely cut off the connected circuit and reliably...
Siemens
5SY4550-8
from £ 47.63*
per piece
 
 piece
Siemens SENTRON 5SY4 MCB, 1P+N, 63A Curve D, 230V AC, 72V DC, 5 kA Breaking Capacity / 2128840 (2 offers) 
The miniature circuit breaker provides voltage of 230 V with 1+N-pole configuration. In the event of an overload or short-circuit, circuit breakers safely cut off the connected circuit and reliably...
Siemens
5SY4563-8
from £ 55.76*
per piece
 
 piece
Siemens SENTRON 5SY4 MCB, 1P+N, 8A Curve C, 230V AC, 72V DC, 5 kA Breaking Capacity / 2097515 (2 offers) 
The Siemens 5SY4 series 1+N-pole miniature circuit breaker has a current rating of 8 A and 10 kA breaking capacity. The miniature circuit breaker is the fuse for short-circuit protection. Siemens o...
Siemens
5SY4508-7
from £ 22.53*
per piece
 
 piece
Siemens SENTRON 5SY4 MCB, 1P+N, 8A Curve D, 230V AC, 72V DC, 5 kA Breaking Capacity / 2128834 (2 offers) 
The miniature circuit breaker provides voltage of 230 V with 1+N-pole configuration. In the event of an overload or short-circuit, circuit breakers safely cut off the connected circuit and reliably...
Siemens
5SY4508-8
from £ 32.20*
per piece
 
 piece
Siemens SENTRON 5SY4 MCB, 1P, 1.6A Curve D, 400V AC, 10 kA Breaking Capacity / 2096587 (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
5SY4115-8
from £ 17.04*
per piece
 
 piece
Siemens SENTRON 5SY4 MCB, 1P, 10A, Type A, 10 kA Breaking Capacity / 2027101 (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
5SY4110-5
from £ 15.85*
per piece
 
 piece
Siemens 5SY4113-6 circuit breaker Miniature circuit breaker 1 (2 offers) 
Miniature circuit breaker 230/400 V 10kA, 1-pole, B, 13 A, D=70 mm
Siemens
5SY41136
from £ 8.15*
per piece
 
 piece
Siemens 5SY4113-7 circuit breaker Miniature circuit breaker 1 (2 offers) 
Miniature circuit breaker 230/400 V 10kA, 1-pole, C, 13 A, D=70 mm
Siemens
5SY41137
from £ 10.43*
per piece
 
 piece
Siemens SENTRON 5SY4 MCB, 1P, 13A Curve D, 400V AC, 72V DC, 5 kA Breaking Capacity / 2128825 (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
5SY4113-8
from £ 13.86*
per piece
 
 piece
Siemens SENTRON 5SY4 MCB, 1P, 13A, Type A, 5 kA Breaking Capacity / 2132593 (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
5SY4113-5
from £ 14.48*
per piece
 
 piece
Siemens SENTRON 5SY4 MCB, 1P, 1A, Type A, 10 kA Breaking Capacity / 2027133 (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
5SY4101-5
from £ 17.03*
per piece
 
 piece
Siemens SENTRON 5SY4 MCB, 1P, 20A, Type A, 5 kA Breaking Capacity / 2132595 (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
5SY4120-5
from £ 14.01*
per piece
 
 piece
Siemens SENTRON 5SY4 MCB, 1P, 2A Curve B, 10 kA Breaking Capacity / 2027240 (3 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
5SY4102-6
from £ 9.70*
per piece
 
 piece
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 £ 17.17*
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 £ 17.18*
per piece
 
 piece
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