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  Circuit Breakers (8,716 items)

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Circuit breaker; 400VAC; Inom: 40A; Poles: 2; 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...
1
Legrand
S 302 B40 TX
from £ 13.75*
per piece
Circuit breaker; 400VAC; Inom: 40A; Poles: 2; 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...
1
Legrand
S 302 B40 DX
from £ 19.45*
per piece
Schneider Electric A9F03240 (1 offer)
1
Schneider Electric
A9F03240
from £ 14.36*
per piece
Schneider Electric A9F07240 (1 offer)
1
Schneider Electric
A9F07240
from £ 19.68*
per piece
Circuit breaker; 400VAC; Inom: 40A; Poles: 2; 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...
1
Legrand
S 312 C40 DX
from £ 32.76*
per piece
Circuit breaker; 400VAC; Inom: 40A; Poles: 2; 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...
1
Legrand
S 312 C40 TX
from £ 30.48*
per piece
Circuit breaker; 400VAC; Inom: 40A; Poles: 2; Charact: C; 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: C Cross...
3
ABB
2CDS272001R0404
from £ 25.65*
per piece
Schneider Electric A9F04240 (1 offer)
1
Schneider Electric
A9F04240
from £ 15.33*
per piece
Circuit breaker; 400VAC; Inom: 40A; Poles: 2; 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...
1
Legrand
S 302 C40 TX
from £ 14.03*
per piece
Circuit breaker; 400VAC; Inom: 40A; Poles: 2; 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...
1
Legrand
S 302 C40 DX
from £ 21.54*
per piece
Circuit breaker; 400VAC; Inom: 40A; Poles: 2; 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...
2
Siemens
5SL6240-7
from £ 13.66*
per piece
Schneider Electric A9F08240 (1 offer)
1
Schneider Electric
A9F08240
from £ 27.55*
per piece
ABB 2CDS272001R0401 circuit breaker Miniature circuit breaker (1 offer) 
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...
1
ABB
2CDS272001R0401
from £ 45.55*
per piece
Circuit breaker; 400VAC; Inom: 40A; Poles: 2; Charact: D; 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...
1
Legrand
S 302 D40 TX
from £ 17.78*
per piece
Schneider Electric A9F05240 (1 offer)
1
Schneider Electric
A9F05240
from £ 19.91*
per piece
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