Cable Limiter Fuses
A cable limiter provides very fast, short-circuit protection, primarily to faulted cables but also to other conductors such as busway. Cable limiters do not have an ampere rating and cannot be used to provide overload protection.
They are selected by cable size, the cable and cable limiter should be the same size to ensure they isolate faulted cables in circuits containing three or more parallel conductors per phase. They can be installed on the line side of the main service to provide short-circuit protection to the service conductors. This is extremely important when service conductors are tapped from large low voltage networks or from large low impedance transformers.
The cable limiter fuses current-limiting characteristics provide protection to conductor insulation and reduce damage when a fault occurs. Littelfuse’s wide variety of terminations and cable ratings permit use in almost every situation.
Voltage ratings: 250Vac, 600Vac
Interrupting rating: 100kA (250Vac), 200kA (600vac)
Cable size range: 12AWG – 1000Kcmil Copper
Littelfuse is a global leader in circuit protection, power semiconductors and power control and sensing platforms. The company was founded in 1927 and acquired IXYS Corporation in 2018.
You can find further information on Littelfuse using the following links:
Tel: 01444 243 452
Fax: 01444 870 722