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  Circuit Breakers (8,725 items)

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ABB 2CDS274001R0405 circuit breaker Miniature circuit breaker (3 offers) 
System pro M compact S200M miniature circuit breakers are current limiting. They have two different tripping mechanisms, the delayed thermal tripping mechanism for overload protection and the elect...
ABB
2CDS274001R0405
from £ 45.36*
per piece
Schneider Electric A9F03440 (1 offer)
Schneider Electric
A9F03440
from £ 32.08*
per piece
Circuit breaker; 400VAC; Inom: 40A; Poles: 4; Charact: B; 6kA; IP20 (1 offer) 
Manufacturer: SIEMENS Mounting: for DIN rail mounting Mechanical durability: 20000 cycles Rated voltage: 400V AC Operating temperature: -25...45°C Current rating: 40A IP rating: IP20 Characteristic...
Siemens
5SL6440-6
from £ 21.61*
per piece
Legrand 407628 circuit breaker (1 offer)
Legrand
407628
from £ 40.62*
per piece
Circuit breaker; 400VAC; Inom: 40A; Poles: 4; Charact: B; 6kA; IP20 (1 offer) 
Manufacturer: LEGRAND Mounting: for DIN rail mounting Mechanical durability: 20000 cycles Rated voltage: 400V AC Operating temperature: -25...70°C Current rating: 40A IP rating: IP20 Electrical lif...
Legrand
S 304 B40 TX
from £ 32.43*
per piece
Legrand 409340 circuit breaker (1 offer)
Legrand
409340
from £ 78.26*
per piece
ABB 2CDS274001R0404 circuit breaker Miniature circuit breaker (4 offers) 
System pro M compact S200M miniature circuit breakers are current limiting. They have two different tripping mechanisms, the delayed thermal tripping mechanism for overload protection and the elect...
ABB
2CDS274001R0404
from £ 52.20*
per piece
Circuit breaker; 400VAC; Inom: 40A; Poles: 4; Charact: C; 10kA; IP20 (1 offer) 
Manufacturer: LEGRAND Mounting: for DIN rail mounting Mechanical durability: 20000 cycles Rated voltage: 400V AC Operating temperature: -25...70°C Current rating: 40A IP rating: IP20 Electrical lif...
Legrand
S 314 C40 TX
from £ 75.82*
per piece
Schneider Electric A9F07440 (1 offer)
Schneider Electric
A9F07440
from £ 39.78*
per piece
Schneider Electric A9F04440 (1 offer)
Schneider Electric
A9F04440
from £ 37.81*
per piece
Circuit breaker; 400VAC; Inom: 40A; Poles: 4; Charact: C; 6kA; IP20 (1 offer) 
Manufacturer: LEGRAND Mounting: for DIN rail mounting Mechanical durability: 20000 cycles Rated voltage: 400V AC Operating temperature: -25...70°C Current rating: 40A IP rating: IP20 Electrical lif...
Legrand
S 304 C40 TX
from £ 34.30*
per piece
Legrand 407932 circuit breaker (1 offer)
Legrand
407932
from £ 43.78*
per piece
Circuit breaker; 400VAC; Inom: 40A; Poles: 4; Charact: C; 6kA; IP20 (2 offers) 
Manufacturer: SIEMENS Mounting: for DIN rail mounting Mechanical durability: 20000 cycles Rated voltage: 400V AC Operating temperature: -25...45°C Current rating: 40A IP rating: IP20 Characteristic...
Siemens
5SL6440-7
from £ 28.95*
per piece
Schneider Electric A9F08440 (1 offer)
Schneider Electric
A9F08440
from £ 59.22*
per piece
Circuit breaker; 400VAC; Inom: 40A; Poles: 4; Charact: D; 10kA; IP20 (3 offers) 
Manufacturer: ABB Mounting: for DIN rail mounting Rated voltage: 400V AC Operating temperature: -25...55°C Current rating: 40A IP rating: IP20 Electrical life: 20000 cycles Characteristics: D Cross...
ABB
2CDS274001R0401
from £ 116.23*
per piece
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