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  MCBs (5,075 items)

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Siemens Sentron 5SY4 MCB, 1P, 20A Curve D, 230V AC, 10 kA Breaking Capacity / 7721265 (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
5SY4120-8
from £ 14.50*
per piece
Siemens Sentron 5SY4 MCB, 1P, 25A Curve B, 230V AC, 10 kA Breaking Capacity / 7721268 (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
5SY4125-6
from £ 8.31*
per piece
Siemens 5SY4125-7 circuit breaker Miniature circuit breaker 1 (2 offers) 
Miniature circuit breaker 230/400 V 10kA, 1-pole, C, 25A, D=70 mm
Siemens
5SY41257
from £ 10.13*
per piece
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 £ 14.36*
per piece
Siemens Sentron 5SY4 MCB, 1P, 2A Curve C, 250V AC, 250V DC, 10 kA Breaking Capacity / 6220014 (3 offers) 
Number of Poles = 1P Current Rating = 2A Tripping Characteristics = Type C Rated AC Voltage = 250 V → 440V Rated DC Voltage = 250 V → 440V Breaking Capacity at Maximum Voltage Rating = 10 kA Range ...
Siemens
5SY4102-7
from £ 14.19*
per piece
Siemens Sentron 5SY4 MCB, 1P, 2A Curve D, 230V AC, 10 kA Breaking Capacity / 7721246 (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
5SY4102-8
from £ 17.13*
per piece
Siemens Sentron 5SY4 MCB, 1P, 300mA Curve C, 230V AC, 10 kA Breaking Capacity / 6220058 (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
5SY4114-7
from £ 12.17*
per 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 £ 9.79*
per piece
Siemens Sentron 5SY4 MCB, 1P, 32A Curve C, 400V AC, 10 kA Breaking Capacity / 3832068 (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
5SY4132-7
from £ 12.47*
per piece
Siemens Sentron 5SY4 MCB, 1P, 32A Curve D, 230V AC, 10 kA Breaking Capacity / 7721274 (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
5SY4132-8
from £ 16.61*
per piece
Siemens Sentron 5SY4 MCB, 1P, 3A Curve C, 230V AC, 10 kA Breaking Capacity / 6220020 (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
5SY4103-7
from £ 14.19*
per 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 £ 11.95*
per piece
Siemens 5SY4140-7 circuit breaker Miniature circuit breaker 1 (3 offers) 
Miniature circuit breaker 230/400 V 10kA, 1-pole, C, 40A, D=70 mm
Siemens
5SY41407
from £ 14.99*
per 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 £ 20.87*
per piece
Siemens Sentron 5SY4 MCB, 1P, 4A Curve C, 230V AC, 10 kA Breaking Capacity / 6220036 (3 offers) 
Number of Poles = 1P Current Rating = 4A Tripping Characteristics = Type C Rated AC Voltage = 230 V, 400V Breaking Capacity at Maximum Voltage Rating = 10 kA Range = Sentron Series = 5SY4 Circuit B...
Siemens
5SY4104-7
from £ 12.60*
per piece
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