Circuit Breakers


Order No.:
27H1545
Manufacturer SKU:
3KD5434-0RE40-0


Order No.:
27H1546
Manufacturer SKU:
3KD5440-0RE10-0


Order No.:
27H1547
Manufacturer SKU:
3KD5440-0RE20-0


Order No.:
27H1548
Manufacturer SKU:
3KD5442-0RE10-0


Order No.:
27H1549
Manufacturer SKU:
3KD5444-0RE10-0


Order No.:
27H1550
Manufacturer SKU:
3KD5444-0RE40-0


Order No.:
27H1551
Manufacturer SKU:
3KD5460-0RE20-0


Order No.:
27H1552
Manufacturer SKU:
3KD5630-0RE10-0


Order No.:
27H1553
Manufacturer SKU:
3KD5630-0RE20-0


Order No.:
27H1554
Manufacturer SKU:
3KD5632-0RE10-0


Order No.:
27H1555
Manufacturer SKU:
3KD5634-0RE10-0


Order No.:
27H1556
Manufacturer SKU:
3KD5634-0RE40-0


Order No.:
27H1557
Manufacturer SKU:
3KD5640-0RE10-0


Order No.:
27H1558
Manufacturer SKU:
3KD5640-0RE20-0


Order No.:
27H1559
Manufacturer SKU:
3KD5642-0RE10-0


Order No.:
27H1560
Manufacturer SKU:
3KD5644-0RE10-0


Order No.:
27H1561
Manufacturer SKU:
3KD5644-0RE40-0


Order No.:
27H1563
Manufacturer SKU:
3KF1303-0LB11


Order No.:
27H1564
Manufacturer SKU:
3KF1303-0MB11


Order No.:
27H1565
Manufacturer SKU:
3KF1303-0MR11
Safety guaranteed: Functions and advantages of switch-disconnectors
Circuit breakers are used to protect electrical circuits by automatically switching off in the event of an overload or short circuit. They can be switched back on, eliminating the need for one-way fuses. Switch-disconnectors, on the other hand, specialize in safely isolating electrical circuits from the power supply.
Unlike circuit breakers, switch-disconnectors do not perform a protective function, but merely ensure safe isolation as well as prevention of accidental switch-on. Both electromechanical components are indispensable in electrical installations and in the energy sector, with circuit-breakers primarily ensuring the protection of installations, while switch-disconnectors are used for maintenance and repairs.