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  Circuit Breakers (8,736 items)

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Hager MCN140E electrical enclosure accessory (1 offer)
Hager
MCN140E
from £ 6.39*
per piece
from £ 6.39*
per piece
Circuit breaker; 230/400VAC; Inom: 40A; Poles: 1; 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
5SY4140-8
from £ 21.06*
per piece
from £ 21.06*
per piece
Circuit breaker; 230/400VAC; Inom: 40A; Poles: 1; 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 1P D40
from £ 4.61*
per piece
from £ 4.61*
per piece
Circuit breaker; 230/400VAC; Inom: 40A; Poles: 1; Charact: D; 10kA (1 offer) 
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: D C...
ABB
2CDS271001R0401
from £ 24.47*
per piece
from £ 24.47*
per piece
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 £ 9.68*
per piece
from £ 9.68*
per 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 £ 10.52*
per piece
from £ 10.52*
per piece
Circuit breaker; 230/400VAC; Inom: 40A; Poles: 1; Charact: D; 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: D Cross section of c...
Eaton
FAZ-D40/1
from £ 11.55*
per piece
from £ 11.55*
per 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 £ 4.16*
per piece
from £ 4.16*
per 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 £ 4.02*
per piece
from £ 4.02*
per piece
ABB S201-D40 circuit breaker Miniature circuit breaker 1 1 module(s) (1 offer) 
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 £ 7.74*
per piece
from £ 7.74*
per piece
Circuit breaker; 230/400VAC; Inom: 40A; Poles: 1; Charact: D; 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: D Cross section of con...
Eaton
FAZ6-D40/1
from £ 22.87*
per piece
from £ 22.87*
per 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 £ 4.24*
per piece
from £ 4.24*
per 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 £ 21.69*
per piece
from £ 21.69*
per 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 £ 12.77*
per piece
from £ 12.77*
per piece
ABB 2CDS251001R0557 circuit breaker Miniature circuit breaker (1 offer) 
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 £ 11.20*
per piece
from £ 11.20*
per piece
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