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  Circuit Breakers (8,725 items)

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Circuit breaker; 230/400VAC; Inom: 40A; Poles: 3; 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 3P C40
from £ 11.41*
per piece
Schneider Electric A9K02340 circuit breaker Miniature circuit breaker Type C 3 (1 offer)
Schneider Electric
A9K02340
from £ 17.45*
per piece
Circuit breaker; 230/400VAC; Inom: 40A; Poles: 3; 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-C40/3
from £ 29.31*
per piece
Circuit breaker; 230/400VAC; Inom: 40A; Poles: 3; 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 3P C40A
from £ 11.90*
per piece
Hager MCS340 circuit breaker Type C 3 3 module(s) (1 offer)
Hager
MCS340
from £ 25.10*
per piece
ABB 2CDS253001R0404 circuit breaker Miniature circuit breaker Type C 3 (3 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
S203-C40
from £ 21.01*
per piece
Circuit breaker; 230/400VAC; Inom: 40A; Poles: 3; 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 3P C40
from £ 15.04*
per piece
Circuit breaker; 230/400VAC; Inom: 40A; Poles: 3; 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-C40/3
from £ 71.79*
per piece
Circuit breaker; 230/400VAC; Inom: 40A; Poles: 3; Charact: C; 6kA (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
5SY6340-7
from £ 59.19*
per piece
Circuit breaker; 230/400VAC; Inom: 40A; Poles: 3; 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
P1MB3PD40
from £ 13.88*
per piece
Circuit breaker; 230/400VAC; Inom: 40A; Poles: 3; 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
5SY4340-8
from £ 83.453*
per piece
Circuit breaker; 230/400VAC; Inom: 40A; Poles: 3; Charact: D; 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 3P D40
from £ 14.28*
per piece
Hager NDN340 electrical enclosure accessory (1 offer)
Hager
NDN340
from £ 32.78*
per piece
Circuit breaker; 230/400VAC; Inom: 40A; Poles: 3; Charact: D; 10kA (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: D Cross section of connecting...
Siemens
5SL4340-8
from £ 38.75*
per piece
Circuit breaker; 230/400VAC; Inom: 40A; Poles: 3; Charact: D; 15kA (3 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: D Cross section of c...
Eaton
FAZ-D40/3
from £ 60.62*
per piece
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