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  Circuit Breakers (8,730 items)

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Circuit breaker; 230/400VAC; Inom: 40A; Poles: 1; 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
5SL4140-8
from £ 9.58*
per piece
 
 piece
Circuit breaker; 230/400VAC; Inom: 40A; Poles: 1; Charact: D; 10kA (1 offer) 
Manufacturer: HAGER Mounting: for DIN rail mounting Mechanical durability: 20000 cycles Rated voltage: 230/400V AC Operating temperature: -25...60°C Current rating: 40A IP rating: IP20 Characterist...
Hager
NDN140
from £ 10.84*
per piece
 
 piece
Circuit breaker; 230/400VAC; Inom: 40A; Poles: 1; 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-D40/1
from £ 11.81*
per piece
 
 piece
Circuit breaker; 230/400VAC; Inom: 40A; Poles: 1; 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
BKN 1P D40A
from £ 4.13*
per piece
 
 piece
Circuit breaker; 230/400VAC; Inom: 40A; Poles: 1; Charact: D; 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 1P D40
from £ 3.94*
per piece
 
 piece
ABB S201-D40 circuit breaker Miniature circuit breaker 1 1 module(s) (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
S201-D40
from £ 7.97*
per piece
 
 piece
Circuit breaker; 230/400VAC; Inom: 40A; Poles: 1; Charact: D; 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: D Cross section of con...
Eaton
FAZ6-D40/1
from £ 20.669*
per piece
 
 piece
Circuit breaker; 230/400VAC; Inom: 40A; Poles: 1; 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 1P D40
from £ 3.92*
per piece
 
 piece
ABB 2CDS271001R0557 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...
ABB
2CDS271001R0557
from £ 21.21*
per piece
 
 piece
Circuit breaker; 230/400VAC; Inom: 40A; Poles: 1; Charact: K; 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: K Cross section of c...
Eaton
FAZ-K40/1
from £ 13.46*
per piece
 
 piece
ABB 2CDS251001R0557 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
2CDS251001R0557
from £ 10.51*
per piece
 
 piece
Circuit breaker; 230/400VAC; Inom: 40A; Poles: 1; Charact: S; 10kA (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: S Cross section of c...
Eaton
FAZ-S40/1
from £ 13.35*
per piece
 
 piece
Circuit breaker; 230/400VAC; Inom: 40A; Poles: 1; Charact: Z; 10kA (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: Z Cross section of c...
Eaton
FAZ-Z40/1
from £ 12.99*
per piece
 
 piece
ABB 2CDS251001R0558 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
2CDS251001R0558
from £ 11.23*
per piece
 
 piece
Circuit breaker; 230/400VAC; Inom: 40A; Poles: 2; Charact: A; 10kA (1 offer) 
Manufacturer: SIEMENS Mounting: for DIN rail mounting Rated voltage: 230/400V AC Operating temperature: -40...70°C Current rating: 40A IP rating: IP20 Characteristics: A Cross section of connecting...
Siemens
5SY4240-5
from £ 59.00*
per piece
 
 piece
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