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  Circuit Breakers (8,725 items)

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Circuit breaker; 230/400VAC; Inom: 40A; Poles: 1; 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
5SY6140-6
from £ 11.05*
per piece
from £ 11.05*
per piece
 
 piece
Hager MBN140E electrical enclosure accessory (1 offer)
Hager
MBN140E
from £ 5.88*
per piece
from £ 5.88*
per piece
 
 piece
Circuit breaker; 230/400VAC; Inom: 40A; Poles: 1; 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-B40/1
from £ 8.22*
per piece
from £ 8.22*
per piece
 
 piece
Circuit breaker; 230/400VAC; Inom: 40A; Poles: 1; 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 B40
from £ 3.93*
per piece
from £ 3.93*
per piece
 
 piece
Siemens 5SY4140-7 circuit breaker Miniature circuit breaker 1 (3 offers) 
Miniature circuit breaker 230/400 V 10kA, 1-pole, C, 40A, D=70 mm
Siemens
5SY41407
from £ 14.73*
per piece
from £ 14.73*
per piece
 
 piece
Circuit breaker; 230/400VAC; Inom: 40A; Poles: 1; Charact: C; 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: C Cross section of conne...
HONGFA RELAY
UEB6-63H/C401
from £ 3.11*
per piece
from £ 3.11*
per piece
 
 piece
Circuit breaker; 230/400VAC; Inom: 40A; Poles: 1; Charact: C; 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 C40
from £ 4.94*
per piece
from £ 4.94*
per piece
 
 piece
ABB 2CDS271001R0404 circuit breaker Miniature circuit breaker 1 (3 offers) 
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
2CDS271001R0404
from £ 10.48*
per piece
from £ 10.48*
per piece
 
 piece
Circuit breaker; 230/400VAC; Inom: 40A; Poles: 1; Charact: C; 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 C40
from £ 5.49*
per piece
from £ 5.49*
per piece
 
 piece
Circuit breaker; 230/400VAC; Inom: 40A; Poles: 1; Charact: C; 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: C Cross section of connecting...
Siemens
5SL4140-7
from £ 8.29*
per piece
from £ 8.29*
per piece
 
 piece
Hager NCN140 circuit breaker Type C 1 1 module(s) (1 offer)
Hager
NCN140
from £ 10.65*
per piece
from £ 10.65*
per piece
 
 piece
Circuit breaker; 230/400VAC; Inom: 40A; Poles: 1; Charact: C; 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: C Cross section of c...
Eaton
FAZ-C40/1
from £ 11.93*
per piece
from £ 11.93*
per piece
 
 piece
Circuit breaker; 230/400VAC; Inom: 40A; Poles: 1; Charact: C; 25kA (1 offer) 
Manufacturer: EATON ELECTRIC 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 con...
Eaton
AZ-C40
from £ 62.96*
per piece
from £ 62.96*
per piece
 
 piece
Circuit breaker; 230/400VAC; Inom: 40A; Poles: 1; Charact: C; 4.5kA (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: C Cross section of conne...
HONGFA RELAY
UEB6-63L/C401
from £ 1.99*
per piece
from £ 1.99*
per piece
 
 piece
Circuit breaker; 230/400VAC; Inom: 40A; Poles: 1; 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 1P C40A
from £ 3.11*
per piece
from £ 3.11*
per piece
 
 piece
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