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  Circuit Breakers (8,716 items)

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Circuit breaker; 230/400VAC; Inom: 40A; Poles: 3; Charact: B; 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 3P B40
from £ 18.17*
per piece
 
 piece
Circuit breaker; 230/400VAC; Inom: 40A; Poles: 3; Charact: B; 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
P1MB3PB40
from £ 15.43*
per piece
 
 piece
Circuit breaker; 230/400VAC; Inom: 40A; Poles: 3; Charact: B; 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 B40
from £ 16.37*
per piece
 
 piece
Circuit breaker; 230/400VAC; Inom: 40A; Poles: 3; Charact: B; 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: B Cross section of connecting...
Siemens
5SY4340-6
from £ 43.56*
per piece
 
 piece
Circuit breaker; 230/400VAC; Inom: 40A; Poles: 3; Charact: B; 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: B Cross section of connecting...
Siemens
5SL4340-6
from £ 23.00*
per piece
 
 piece
Circuit breaker; 230/400VAC; Inom: 40A; Poles: 3; Charact: B; 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: B Cross section of c...
Eaton
FAZ-B40/3
from £ 40.98*
per piece
 
 piece
Circuit breaker; 230/400VAC; Inom: 40A; Poles: 3; Charact: B; 6kA (1 offer) 
Manufacturer: SCHNEIDER ELECTRIC Mounting: for DIN rail mounting Mechanical durability: 20000 cycles Rated voltage: 230/400V AC Operating temperature: -25...70°C Current rating: 40A IP rating: IP20...
Schneider Electric
A9K01340
from £ 14.54*
per piece
 
 piece
Hager
MBS340
from £ 22.11*
per piece
 
 piece
ABB 2CDS253001R0405 circuit breaker Miniature circuit breaker (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
2CDS253001R0405
from £ 20.24*
per piece
 
 piece
Circuit breaker; 230/400VAC; Inom: 40A; Poles: 3; Charact: B; 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: B Cross section of connecting...
Siemens
5SY6340-6
from £ 41.16*
per piece
 
 piece
Circuit breaker; 230/400VAC; Inom: 40A; Poles: 3; Charact: B; 6kA (2 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: B Cross section of con...
Eaton
FAZ6-B40/3
from £ 67.04*
per piece
 
 piece
Circuit breaker; 230/400VAC; Inom: 40A; Poles: 3; Charact: B; 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-B40/3
from £ 27.10*
per piece
 
 piece
Circuit breaker; 230/400VAC; Inom: 40A; Poles: 3; Charact: B; 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: B Cross section of connect...
LS ELECTRIC
BKN 3P B40A
from £ 9.94*
per piece
 
 piece
Hager
MBN340E
from £ 22.57*
per piece
 
 piece
Circuit breaker; 230/400VAC; Inom: 40A; Poles: 3; Charact: B; 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 B40
from £ 12.81*
per piece
 
 piece
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