Products -> Ancilliaries -> Fuses

	Fuses

The fuse works on the principle of placing a weak link in a chain. When a circuit is overloaded the fuse wire blows to break the circuit instead of more expensive components being damaged by the overload. Fuses can be designed to blow quickly, slowly or with more complex functions such as withstanding short duration overloads but not long term ones, such as Anti-surge or Motor Rated types

The fuse rating and surge capability should be chosen to ensure proper protection in the event of a fault, without being prone to nuisance failures at switch-on.

Normally fuses used on the input of our transformers are of the Motor Rated type to deal with the transformer in-rush current and are typically rated between 1.5-2x the nominal rated input current

Output fuses should be rated suitable to the type and size of load

Voltage ratings

In addition to the current rating and characteristics relating to the protection function the fuse is to perform, fuses are also rated for the system voltage at which they operate

Smaller fuses up to 25mm length 6mm diameter are typically used in low voltage applications (250V or less)
We have a number of options with which we can supply this type of fuse
DIN rail mounting, clip on frame mounting, screw fixing or panel mounting

We can also fit fuses for most of the common voltage systems up to 550V or using ‘Red Spot’ types up to 690V.
Options include DIN rail mounting, screw fixing, back mounting or insulating bobbin mounting

Above this level we have the option to use various high voltage fuses to suit specific projects up to 6.6KV with fuses rated up to 10KV.