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  Circuit Breakers (8,730 items)

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Circuit breaker; 230/400VAC; Inom: 40A; Poles: 2; Charact: C; 10kA (3 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
5SL4240-7
n/a
from £ 23.44*
per piece
Circuit breaker; 230/400VAC; Inom: 40A; Poles: 2; Charact: C; 10kA (1 offer) 
Manufacturer: ETI POLAM Mounting: for DIN rail mounting Mechanical durability: 20000 cycles Rated voltage: 230/400V AC Operating temperature: -25...55°C Current rating: 40A IP rating: IP20 Characte...
ETI
ETIMAT P10 2P C40
n/a
from £ 14.30*
per piece
Circuit breaker; 230/400VAC; Inom: 40A; Poles: 2; Charact: C; 10kA (2 offers) 
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
P1MB2PC40
n/a
from £ 12.36*
per piece
Circuit breaker; 230/400VAC; Inom: 40A; Poles: 2; Charact: C; 10kA (1 offer) 
Manufacturer: ETI POLAM Mounting: for DIN rail mounting Mechanical durability: 20000 cycles Rated voltage: 230/400V AC Operating temperature: -25...55°C Current rating: 40A IP rating: IP20 Characte...
ETI
ETIMAT 10 2P C40
n/a
from £ 11.83*
per piece
Circuit breaker; 230/400VAC; Inom: 40A; Poles: 2; 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
5SY4240-7
n/a
from £ 41.30*
per piece
Hager NCN240 electrical enclosure accessory (1 offer)
Hager
NCN240
n/a
from £ 27.39*
per piece
Circuit breaker; 230/400VAC; Inom: 40A; Poles: 2; Charact: C; 10kA (1 offer) 
Manufacturer: EATON ELECTRIC Mounting: for DIN rail mounting Mechanical durability: 20000 cycles Rated voltage: 230/400V AC Operating temperature: -20...50°C Current rating: 40A IP rating: IP20 Ele...
Eaton
PLSM-C40/2-MW
n/a
from £ 29.05*
per piece
Eaton FAZ-C40/2 circuit breaker Miniature circuit breaker (2 offers)
Eaton
278764
n/a
from £ 23.46*
per piece
Circuit breaker; 230/400VAC; Inom: 40A; Poles: 2; 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-2-C40
n/a
from £ 132.62*
per piece
Circuit breaker; 230/400VAC; Inom: 40A; Poles: 2; Charact: C; 6kA (3 offers) 
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-C40/2
n/a
from £ 49.30*
per piece
Circuit breaker; 230/400VAC; Inom: 40A; Poles: 2; Charact: C; 6kA (1 offer) 
Manufacturer: ETI POLAM Mounting: for DIN rail mounting Mechanical durability: 20000 cycles Rated voltage: 230/400V AC Operating temperature: -25...55°C Current rating: 40A IP rating: IP20 Characte...
ETI
ETIMAT 6 2P C40
n/a
from £ 11.65*
per piece
Circuit breaker; 230/400VAC; Inom: 40A; Poles: 2; 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 2P C40
n/a
from £ 7.17*
per piece
Circuit breaker; 230/400VAC; Inom: 40A; Poles: 2; Charact: C; 6kA (1 offer) 
Manufacturer: EATON ELECTRIC Mounting: for DIN rail mounting Mechanical durability: 20000 cycles Rated voltage: 230/400V AC Operating temperature: -25...55°C Current rating: 40A IP rating: IP20 Ele...
Eaton
HN-C40/2
n/a
from £ 21.45*
per piece
ABB 2CDS252001R0404 circuit breaker Miniature circuit breaker (2 offers) 
System pro M compact S200 miniature circuit breakers are current limiting. They have two different tripping mechanisms, the delayed thermal tripping mechanism for overload protection and the electr...
ABB
2CDS252001R0404
n/a
from £ 16.12*
per piece
Hager MCN240E electrical enclosure accessory (1 offer)
Hager
MCN240E
n/a
from £ 17.74*
per piece
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