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  MCBs (5,187 items)

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Siemens SENTRON 5SY4 MCB, 1P+N, 1A Curve D, 230V AC, 72V DC, 5 kA Breaking Capacity / 2128832 (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
5SY4501-8
from £ 32.41*
per piece
 
 piece
Siemens SENTRON 5SY4 MCB, 1P+N, 300mA Curve C, 230V AC, 72V DC, 5 kA Breaking Capacity / 2131072 (2 offers) 
The Siemens 5SY4514-7 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
5SY4514-7
from £ 23.21*
per piece
 
 piece
Siemens SENTRON 5SY4 MCB, 1P+N, 300mA Curve D, 230V AC, 72V DC, 5 kA Breaking Capacity / 2128837 (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
5SY4514-8
from £ 31.67*
per piece
 
 piece
Siemens SENTRON 5SY4 MCB, 1P+N, 3A Curve D, 230V AC, 72V DC, 10 kA Breaking Capacity / 2096601 (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
5SY4503-8
from £ 32.55*
per piece
 
 piece
Siemens SENTRON 5SY4 MCB, 1P+N, 40A Curve D, 230V AC, 72V DC, 10 kA Breaking Capacity / 2096602 (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
5SY4540-8
from £ 40.27*
per piece
 
 piece
Siemens SENTRON 5SY4 MCB, 1P+N, 500mA Curve C, 230V AC, 72V DC, 5 kA Breaking Capacity / 2128953 (2 offers) 
The Siemens 5SY4 series 1+N-pole miniature circuit breaker has a current rating of 0.5 A and 10 kA breaking capacity. The miniature circuit breaker is the fuse for short-circuit protection. Siemens...
Siemens
5SY4505-7
from £ 23.06*
per piece
 
 piece
Siemens SENTRON 5SY4 MCB, 1P+N, 500mA Curve D, 230V AC, 72V DC, 5 kA Breaking Capacity / 2128833 (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
5SY4505-8
from £ 31.98*
per piece
 
 piece
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 £ 47.14*
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 £ 55.85*
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 £ 22.98*
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 £ 32.40*
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 £ 16.39*
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 £ 15.06*
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 £ 7.98*
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 £ 10.36*
per piece
 
 piece
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* Prices with asterisk are net prices excl. statutory VAT.
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