KT’s series of standard Blade Fuses are perfect for protecting electrical appliances and equipment. They come in a range of amperages from 3 to 30 with multiple colours to differentiate.
The Series of Standard Blade Fuses are a top choice for circuit protection with multiple size options | Perth Pro Auto
A fuse protects electrical appliances and equipment by breaking the electrical circuit in the event of an overload of current or a short circuit. When a fault occurs, such as an overload or short circuit, the high current that is flowing through the fuse melts the fuse element, thus interrupting the flow of current and breaking the circuit. This prevents the appliance from damage due to excess current.
Each fuse responds differently to current flow and surges, and takes a different amount of time to react; it is therefore important to choose the correct fuse for the circuit it is to be introduced in. An incorrect fuse could either mean no protection because it has not melted in time, or over sensitivity when it blows repeatedly for no real reason.
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Blade fuses (also called spade or plug-in fuses), with a plastic body and two prongs that fit into sockets, are mostly used in the Automotive Industry. Each fuse is printed with the Rated Current in Amperages on the top. Standard Fuses were developed in 1976 for low-voltages use in motor vehicles. The Mini Blade Fuses were developed in the 1990’s. Blade Fuses can be mounted in fuse blocks, in-line fuse holders, or fuse clips. KT Blade Fuses are available in Micro, Mini, Standard and Maxi Sizes.
How will I know which Fuse is Suitable for My Needs?
It is important to consider the following factors before installing a fuse:
For electronic/electrical applications, fuse must be rated at 125V or better.
Voltage must match or exceed the fuse being replaced (125V for household current; 12V for auto; 24V for heavy duty).
Fuse must match required fuse characteristic – either fast-acting or time-delay.
Amp rating must match that of the original fuse.
The maximum continuous current rating, which indicates the maximum current that can pass through a fuse; the rupturing or breaking capacity, which indicates the maximum current that can be interrupted without causing damage; the voltage rating–the fuse must be used at less than the rated voltage. Ensure you choose the right fuse for your appliances and equipment to protect them and to reduce the risk of overheating and fire. If you are unsure, speak to an electrician.
All fuses have a voltage rating. To maintain safety, this voltage rating should not be exceeded in application, although it is acceptable to use a higher rated fuse in a lower voltage application. For example: A fuse rated for 125 volts is appropriate in household (110V) or Automotive (12V), while a fuse rated for 32 volts is appropriate for automotive (12V), but not for household (125V). Always replace a fuse with one of the same or higher voltage rating.