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  Circuit Breakers (8,716 items)

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Hager NCN440 electrical enclosure accessory (1 offer)
Hager
NCN440
from £ 43.69*
per piece
Circuit breaker; 230/400VAC; Inom: 40A; Poles: 4; Charact: C; 10kA (3 offers) 
Manufacturer: SIEMENS Mounting: for DIN rail mounting Rated voltage: 230/400V AC Operating temperature: -40...70°C Current rating: 40A IP rating: IP20 Characteristics: C Cross section of connecting...
Siemens
5SY4440-7
from £ 78.38*
per piece
Circuit breaker; 230/400VAC; Inom: 40A; Poles: 4; Charact: C; 15kA (2 offers) 
Manufacturer: EATON ELECTRIC Mounting: for DIN rail mounting Mechanical durability: 10000 cycles Rated voltage: 230/400V AC Current rating: 40A IP rating: IP20 Characteristics: C Cross section of c...
Eaton
FAZ-C40/4
from £ 44.08*
per piece
Circuit breaker; 230/400VAC; Inom: 40A; Poles: 4; Charact: C; 25kA (1 offer) 
Manufacturer: EATON ELECTRIC Mounting: for DIN rail mounting Rated voltage: 230/400V AC Operating temperature: -25...55°C Current rating: 40A IP rating: IP20 Characteristics: C Cross section of con...
Eaton
AZ-4-C40
from £ 219.70*
per piece
Hager MCN440E electrical enclosure accessory (1 offer)
Hager
MCN440E
from £ 24.20*
per piece
Circuit breaker; 230/400VAC; Inom: 40A; Poles: 4; Charact: C; 6kA (1 offer) 
Manufacturer: LS ELECTRIC Mounting: for DIN rail mounting Rated voltage: 230/400V AC Operating temperature: -5...40°C Current rating: 40A IP rating: IP20 Characteristics: C Cross section of connect...
LS ELECTRIC
BKN 4P C40A
from £ 14.10*
per piece
Circuit breaker; 230/400VAC; Inom: 40A; Poles: 4; Charact: C; 6kA (2 offers) 
Manufacturer: SIEMENS Mounting: for DIN rail mounting Rated voltage: 230/400V AC Operating temperature: -25...55°C Current rating: 40A IP rating: IP20 Characteristics: C Cross section of connecting...
Siemens
5SY6440-7
from £ 75.63*
per piece
Circuit breaker; 230/400VAC; Inom: 40A; Poles: 4; Charact: C; 6kA (1 offer) 
Manufacturer: EATON ELECTRIC Mounting: for DIN rail mounting Rated voltage: 230/400V AC Operating temperature: -25...75°C Current rating: 40A IP rating: IP20 Characteristics: C Cross section of con...
Eaton
FAZ6-C40/4
from £ 32.77*
per piece
Circuit breaker; 230/400VAC; Inom: 40A; Poles: 4; Charact: C; 6kA (3 offers) 
Manufacturer: ABB Mounting: for DIN rail mounting Rated voltage: 230/400V AC Operating temperature: -25...55°C Current rating: 40A IP rating: IP20 Electrical life: 20000 cycles Characteristics: C C...
ABB
2CDS254001R0404
from £ 33.13*
per piece
Circuit breaker; 230/400VAC; Inom: 40A; Poles: 4; Charact: C; 6kA (1 offer) 
Manufacturer: LS ELECTRIC Mounting: for DIN rail mounting Rated voltage: 230/400V AC Operating temperature: -5...40°C Current rating: 40A IP rating: IP20 Characteristics: C Cross section of connect...
LS ELECTRIC
BKJ63ND 4P C40
from £ 14.08*
per piece
Circuit breaker; 230/400VAC; Inom: 40A; Poles: 4; Charact: D; 10kA (3 offers) 
Manufacturer: SIEMENS Mounting: for DIN rail mounting Rated voltage: 230/400V AC Operating temperature: -40...70°C Current rating: 40A IP rating: IP20 Characteristics: D Cross section of connecting...
Siemens
5SY4440-8
from £ 108.75*
per piece
Circuit breaker; 230/400VAC; Inom: 40A; Poles: 4; Charact: D; 10kA (1 offer) 
Manufacturer: LOVATO ELECTRIC Mounting: for DIN rail mounting Mechanical durability: 20000 cycles Rated voltage: 230/400V AC Operating temperature: -40...70°C Current rating: 40A IP rating: IP20 Ch...
LOVATO Electric
P1MB4PD40
from £ 18.44*
per piece
Hager NDN440 electrical enclosure accessory (1 offer)
Hager
NDN440
from £ 63.94*
per piece
Circuit breaker; 230/400VAC; Inom: 40A; Poles: 4; Charact: D; 15kA (1 offer) 
Manufacturer: EATON ELECTRIC Mounting: for DIN rail mounting Mechanical durability: 10000 cycles Rated voltage: 230/400V AC Current rating: 40A IP rating: IP20 Characteristics: D Cross section of c...
Eaton
FAZ-D40/4
from £ 58.41*
per piece
Circuit breaker; 230/400VAC; Inom: 40A; Poles: 4; Charact: D; 6kA (1 offer) 
Manufacturer: LS ELECTRIC Mounting: for DIN rail mounting Rated voltage: 230/400V AC Operating temperature: -5...40°C Current rating: 40A IP rating: IP20 Characteristics: D Cross section of connect...
LS ELECTRIC
BKJ63ND 4P D40
from £ 14.92*
per piece
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