Circuit Breakers


Order No.:
27H1634
Manufacturer SKU:
3KF4440-0MF11


Order No.:
27H1635
Manufacturer SKU:
3KF4440-2LF11


Order No.:
27H1636
Manufacturer SKU:
3KF4440-4LF11


Order No.:
27H1637
Manufacturer SKU:
3KF4440-4RF11


Order No.:
27H1638
Manufacturer SKU:
3KF5363-0LF11


Order No.:
27H1639
Manufacturer SKU:
3KF5363-0MF11


Order No.:
27H1640
Manufacturer SKU:
3KF5363-2LF11


Order No.:
27H1641
Manufacturer SKU:
3KF5363-4LF11


Order No.:
27H1642
Manufacturer SKU:
3KF5363-4RF11


Order No.:
27H1643
Manufacturer SKU:
3KF5380-0LF11


Order No.:
27H1644
Manufacturer SKU:
3KF5380-0LF11-8AA1


Order No.:
27H1645
Manufacturer SKU:
3KF5380-0MF11


Order No.:
27H1646
Manufacturer SKU:
3KF5380-2LF11


Order No.:
27H1647
Manufacturer SKU:
3KF5380-4LF11


Order No.:
27H1648
Manufacturer SKU:
3KF5380-4RF11


Order No.:
27H1649
Manufacturer SKU:
3KF5463-0LF11


Order No.:
27H1650
Manufacturer SKU:
3KF5463-0MF11


Order No.:
27H1651
Manufacturer SKU:
3KF5463-2LF11


Order No.:
27H1652
Manufacturer SKU:
3KF5463-4LF11


Order No.:
27H1653
Manufacturer SKU:
3KF5463-4RF11
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.