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  Circuit Breakers (8,736 items)

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Circuit breaker; 230/400VAC; Inom: 40A; Poles: 1+N; 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
5SY4540-5
from £ 41.26*
per piece
 
 piece
Circuit breaker; 230/400VAC; Inom: 40A; Poles: 1+N; 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 1P+N B40
from £ 8.24*
per piece
 
 piece
Hager
NBN540
from £ 24.95*
per piece
 
 piece
Circuit breaker; 230/400VAC; Inom: 40A; Poles: 1+N; 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 1P+N B40
from £ 12.01*
per piece
 
 piece
Circuit breaker; 230/400VAC; Inom: 40A; Poles: 1+N; Charact: B; 10kA (1 offer) 
Manufacturer: HONGFA RELAY Mounting: for DIN rail mounting Rated voltage: 230/400V AC Operating temperature: -30...70°C Current rating: 40A IP rating: IP20 Characteristics: B Cross section of conne...
HONGFA RELAY
UEB6-63H/B401N
from £ 7.66*
per piece
 
 piece
Circuit breaker; 230/400VAC; Inom: 40A; Poles: 1+N; Charact: B; 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: B Cross section of c...
Eaton
FAZ-PN-B40/1N
from £ 23.01*
per piece
 
 piece
Circuit breaker; 230/400VAC; Inom: 40A; Poles: 1+N; Charact: B; 10kA (2 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
5SY4540-6
from £ 22.26*
per piece
 
 piece
Circuit breaker; 230/400VAC; Inom: 40A; Poles: 1+N; Charact: B; 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: B Cross section of c...
Eaton
FAZ-B40/1N
from £ 16.07*
per piece
 
 piece
Circuit breaker; 230/400VAC; Inom: 40A; Poles: 1+N; 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
5SY6540-6
from £ 21.57*
per piece
 
 piece
Circuit breaker; 230/400VAC; Inom: 40A; Poles: 1+N; Charact: B; 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: B Cross section of con...
Eaton
FAZ6-B40/1N
from £ 41.51*
per piece
 
 piece
Circuit breaker; 230/400VAC; Inom: 40A; Poles: 1+N; 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-B40/1N
from £ 17.26*
per piece
 
 piece
Circuit breaker; 230/400VAC; Inom: 40A; Poles: 1+N; Charact: B; 6kA (1 offer) 
Manufacturer: HONGFA RELAY Mounting: for DIN rail mounting Rated voltage: 230/400V AC Operating temperature: -30...70°C Current rating: 40A IP rating: IP20 Characteristics: B Cross section of conne...
HONGFA RELAY
UEB6-63M/B401N
from £ 3.86*
per piece
 
 piece
Circuit breaker; 230/400VAC; Inom: 40A; Poles: 1+N; 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 1P+N B40
from £ 8.92*
per piece
 
 piece
Hager
MBN540E
from £ 18.02*
per piece
 
 piece
Circuit breaker; 230/400VAC; Inom: 40A; Poles: 1+N; Charact: B; IP20 (1 offer) 
Manufacturer: HONGFA RELAY Mounting: for DIN rail mounting Rated voltage: 230/400V AC Operating temperature: -30...70°C Current rating: 40A IP rating: IP20 Characteristics: B Cross section of conne...
HONGFA RELAY
UEB6-63L/B401N
from £ 3.81*
per piece
 
 piece
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