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  Circuit breakers  (13,253 offers of 5,364,444 product items)

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Circuit breaker; 230/400VAC; Inom: 50A; Poles: 3; Charact: B; 10kA (2 offers) 
Manufacturer: SIEMENS Mounting: for DIN rail mounting Rated voltage: 230/400V AC Operating temperature: -40...70°C Current rating: 50A IP rating: IP20 Characteristics: B Cross section of connecting...
Siemens
5SY4350-6
from £ 53.69*
per piece
 
 piece
Circuit breaker; 230/400VAC; Inom: 50A; 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: 50A IP rating: IP20 Characteristics: B Cross section of connecting...
Siemens
5SL4350-6
from £ 27.84*
per piece
 
 piece
Circuit breaker; 230/400VAC; Inom: 50A; Poles: 2; Charact: C; 10kA (2 offers) 
Manufacturer: SIEMENS Mounting: for DIN rail mounting Rated voltage: 230/400V AC Operating temperature: -25...55°C Current rating: 50A IP rating: IP20 Characteristics: C Cross section of connecting...
Siemens
5SL4250-7
from £ 26.20*
per piece
 
 piece
Hager
NDN250
from £ 39.40*
per piece
 
 piece
Circuit breaker; 230/400VAC; Inom: 50A; 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: 50A IP rating: IP20 Ch...
LOVATO Electric
P1MB3PB50
from £ 19.93*
per piece
 
 piece
Circuit breaker; 230/400VAC; Inom: 50A; Poles: 3; Charact: B; 15kA (1 offer) 
Manufacturer: EATON ELECTRIC Mounting: for DIN rail mounting Mechanical durability: 10000 cycles Rated voltage: 230/400V AC Current rating: 50A IP rating: IP20 Characteristics: B Cross section of c...
Eaton
FAZ-B50/3
from £ 44.01*
per piece
 
 piece
Circuit breaker; 230/400VAC; Inom: 50A; 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: 50A IP rating: IP20 Characteristics: B Cross section of connecting...
Siemens
5SY6350-6
from £ 49.49*
per piece
 
 piece
Circuit breaker; 230/400VAC; Inom: 50A; Poles: 3; Charact: B; 6kA (1 offer) 
Manufacturer: ABB Mounting: for DIN rail mounting Rated voltage: 230/400V AC Operating temperature: -25...55°C Current rating: 50A IP rating: IP20 Electrical life: 20000 cycles Characteristics: B C...
ABB
2CDS253001R0505
from £ 26.22*
per piece
 
 piece
Hager
NCN350
from £ 40.05*
per piece
 
 piece
Siemens
5SL4350-7
from £ 37.42*
per piece
 
 piece
Circuit breaker; 230/400VAC; Inom: 50A; Poles: 2; Charact: D; 10kA (2 offers) 
Manufacturer: SIEMENS Mounting: for DIN rail mounting Rated voltage: 230/400V AC Operating temperature: -25...55°C Current rating: 50A IP rating: IP20 Characteristics: D Cross section of connecting...
Siemens
5SL4250-8
from £ 30.41*
per piece
 
 piece
Hager
NBN650
from £ 56.18*
per piece
 
 piece
Circuit breaker; 230/400VAC; Inom: 50A; Poles: 3+N; Charact: B; 6kA (1 offer) 
Manufacturer: SIEMENS Mounting: for DIN rail mounting Rated voltage: 230/400V AC Operating temperature: -25...55°C Current rating: 50A IP rating: IP20 Characteristics: B Cross section of connecting...
Siemens
5SY6650-6
from £ 62.32*
per piece
 
 piece
Hager
NDN350
from £ 46.40*
per piece
 
 piece
Circuit breaker; 230/400VAC; Inom: 50A; Poles: 3; Charact: D; 10kA (2 offers) 
Manufacturer: SIEMENS Mounting: for DIN rail mounting Rated voltage: 230/400V AC Operating temperature: -40...70°C Current rating: 50A IP rating: IP20 Characteristics: D Cross section of connecting...
Siemens
5SY4350-8
from £ 86.665*
per piece
 
 piece
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