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  MCBs (3,221 items)

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Siemens Sentron 5SY4 MCB, 1P, 25A Curve D, 230V AC, 10 kA Breaking Capacity / 7721271 (2 offers) 
Automatic cut-out, 5SY4 Series, 10 kA, B, C and D characteristic. Miniature circuit breakers from Siemens, offer the highest quality and reliability. The excellent technical properties of the devic...
Siemens
5SY4125-8
from £ 14.48*
per piece
 
 piece
Siemens 5SY41 5SY MCB Mini Circuit Breaker, 1P, 25A, Type A, 400V AC, 60V DC, 20 kA Breaking Capacity / 2669593 (2 offers) 
Number of Poles = 1P Current Rating = 25A Tripping Characteristics = Type A Rated AC Voltage = 400V Rated DC Voltage = 60V Breaking Capacity at Maximum Voltage Rating = 20 kA Range = 5SY41 Series =...
Siemens
5SY41255
from £ 15.28*
per piece
 
 piece
Siemens SENTRON 5SY MCB, 1P, 30A Curve C / 2322286 (2 offers) 
Number of Poles = 1P Current Rating = 30A Tripping Characteristics = Type C Range = SENTRON Series = 5SY Mounting Style = DIN Rail Mount Better World Product = Yes
Siemens
5SY4130-7
from £ 12.69*
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 £ 16.94*
per piece
 
 piece
Siemens Sentron 5SY4 MCB, 1P, 32A Curve B, 400V AC, 10 kA Breaking Capacity / 3832002 (3 offers) 
Standards: EN 60898; DIN VDE 0641; Part 11; IEC 60898. Siemens 5SY4 MCBs. The Siemens 5SY4 series are type C MCBs (miniature circuit breakers) rated at 400 V and provide a 10 kA breaking capacity. ...
Siemens
5SY4132-6
from £ 9.84*
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 £ 22.18*
per piece
 
 piece
Siemens Sentron 5SY4 MCB, 1P, 40A Curve B, 230V AC, 10 kA Breaking Capacity / 1243152 (3 offers) 
Automatic cut-out, 5SY4 Series, 10 kA, B, C and D characteristic. Miniature circuit breakers from Siemens, offer the highest quality and reliability. The excellent technical properties of the devic...
Siemens
5SY4140-6
from £ 12.12*
per piece
 
 piece
Siemens Sentron 5SY4 MCB, 1P, 40A Curve D, 230V AC, 10 kA Breaking Capacity / 1243154 (3 offers) 
Automatic cut-out, 5SY4 Series, 10 kA, B, C and D characteristic. Miniature circuit breakers from Siemens, offer the highest quality and reliability. The excellent technical properties of the devic...
Siemens
5SY4140-8
from £ 21.14*
per piece
 
 piece
Siemens Sentron 5SY4 MCB, 1P, 50A Curve B, 230V AC, 10 kA Breaking Capacity / 1243155 (2 offers) 
Automatic cut-out, 5SY4 Series, 10 kA, B, C and D characteristic. Miniature circuit breakers from Siemens, offer the highest quality and reliability. The excellent technical properties of the devic...
Siemens
5SY4150-6
from £ 14.42*
per piece
 
 piece
Siemens Sentron 5SY4 MCB, 1P, 50A Curve C, 230V AC, 10 kA Breaking Capacity / 1243156 (2 offers) 
Automatic cut-out, 5SY4 Series, 10 kA, B, C and D characteristic. Miniature circuit breakers from Siemens, offer the highest quality and reliability. The excellent technical properties of the devic...
Siemens
5SY4150-7
from £ 17.99*
per piece
 
 piece
Siemens Sentron 5SY4 MCB, 1P, 50A Curve D, 230V AC, 10 kA Breaking Capacity / 1243157 (2 offers) 
Automatic cut-out, 5SY4 Series, 10 kA, B, C and D characteristic. Miniature circuit breakers from Siemens, offer the highest quality and reliability. The excellent technical properties of the devic...
Siemens
5SY4150-8
from £ 25.55*
per piece
 
 piece
Siemens 5SY41 5SY MCB Mini Circuit Breaker, 1P, 50A, Type A, 400V AC, 60V DC, 15 kA Breaking Capacity / 2669595 (2 offers) 
Number of Poles = 1P Current Rating = 50A Tripping Characteristics = Type A Rated AC Voltage = 400V Rated DC Voltage = 60V Breaking Capacity at Maximum Voltage Rating = 15 kA Range = 5SY41 Series =...
Siemens
5SY41505
from £ 26.14*
per piece
 
 piece
Siemens Sentron 5SY4 MCB, 1P, 63A Curve B, 230V AC, 10 kA Breaking Capacity / 1243158 (3 offers) 
Automatic cut-out, 5SY4 Series, 10 kA, B, C and D characteristic. Miniature circuit breakers from Siemens, offer the highest quality and reliability. The excellent technical properties of the devic...
Siemens
5SY4163-6
from £ 16.78*
per piece
 
 piece
Siemens Sentron 5SY4 MCB, 1P, 63A Curve C, 230V AC, 10 kA Breaking Capacity / 1243159 (3 offers) 
Automatic cut-out, 5SY4 Series, 10 kA, B, C and D characteristic. Miniature circuit breakers from Siemens, offer the highest quality and reliability. The excellent technical properties of the devic...
Siemens
5SY4163-7
from £ 21.15*
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 £ 28.23*
per piece
 
 piece
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