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  MCBs (5,082 items)

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Siemens Sentron 5SY4 MCB, 3P, 4A Curve D, 400V AC, 10 kA Breaking Capacity / 7721353 (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
5SY4304-8
from £ 63.60*
per piece
Siemens Sentron 5SY4 MCB, 3P, 500mA Curve C, 400V AC, 10 kA Breaking Capacity / 6220115 (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
5SY4305-7
from £ 41.74*
per piece
Siemens Sentron 5SY4 MCB, 3P, 50A Curve B, 400V AC, 10 kA Breaking Capacity / 1243178 (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
5SY4350-6
from £ 53.68*
per piece
Siemens Sentron 5SY4 MCB, 3P, 50A Curve C, 400V AC, 10 kA Breaking Capacity / 1243180 (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
5SY4350-7
from £ 65.32*
per piece
Siemens Sentron 5SY4 MCB, 3P, 50A Curve D, 400V AC, 10 kA Breaking Capacity / 7721397 (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
5SY4350-8
from £ 80.076*
per piece
Siemens Sentron 5SY4 MCB, 3P, 63A Curve B, 400V AC, 10 kA Breaking Capacity / 1243181 (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
5SY4363-6
from £ 60.82*
per piece
Siemens Sentron 5SY4 MCB, 3P, 63A Curve C, 400V AC, 10 kA Breaking Capacity / 1243182 (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
5SY4363-7
from £ 74.84*
per piece
Siemens Sentron 5SY4 MCB, 3P, 63A Curve D, 400V AC, 10 kA Breaking Capacity / 7721391 (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
5SY4363-8
from £ 83.116*
per piece
Siemens 5SY4306-6 circuit breaker Miniature circuit breaker 3 (3 offers) 
Miniature circuit breaker 400 V 10kA, 3-pole, B, 6 A, D=70 mm
Siemens
5SY43066
from £ 35.70*
per piece
Siemens Sentron 5SY4 MCB, 3P, 6A Curve C, 400V AC, 60V DC, 10 kA Breaking Capacity / 7721366 (3 offers) 
Number of Poles = 3P Current Rating = 6A Tripping Characteristics = Type C Rated AC Voltage = 400V Rated DC Voltage = 60V Breaking Capacity at Maximum Voltage Rating = 10 kA Range = Sentron Series ...
Siemens
5SY4306-7
from £ 41.91*
per piece
Siemens Sentron 5SY4 MCB, 3P, 6A Curve D, 400V AC, 10 kA Breaking Capacity / 7721369 (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
5SY4306-8
from £ 63.63*
per piece
Siemens Sentron 5SY4 MCB, 4P, 10A Curve B, 400V AC, 10 kA Breaking Capacity / 1243193 (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
5SY4410-6
from £ 40.97*
per piece
Siemens Sentron 5SY4 MCB, 4P, 10A Curve C, 400V AC, 10 kA Breaking Capacity / 1243194 (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
5SY4410-7
from £ 52.56*
per piece
Siemens Sentron 5SY4 MCB, 4P, 10A Curve D, 400V AC, 10 kA Breaking Capacity / 1243195 (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
5SY4410-8
from £ 73.54*
per piece
Siemens Sentron 5SY4 MCB, 4P, 16A Curve B, 400V AC, 10 kA Breaking Capacity / 1243196 (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
5SY4416-6
from £ 41.04*
per piece
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* Prices with asterisk are net prices excl. statutory VAT.
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