Cooper Bussmann KTK-1/2 Fast-acting Cartridge Fuse 0.5A

Product Description

The COOPER BUSSMANN KTK-1/2 is a fast-acting cartridge fuse rated at 0.5 amps and 600 volts AC with a 100 kA interrupting rating. Built with a melamine body, this general-purpose fuse is designed for overcurrent protection in control circuits, instrumentation panels, and light industrial equipment. It mounts in a standard fuse holder and installs quickly without tools. Electricians and controls technicians use this fuse to protect low-current circuits where fast response to overloads and short circuits is required. The compact 10.3 mm diameter cartridge format fits a wide range of panel-mount and DIN-rail fuse holders.

This fuse is suited for residential, commercial, and light industrial applications where 600V-rated overcurrent protection is needed in tight panel spaces. Common install scenarios include machine control panels, HVAC equipment control boards, instrumentation enclosures, and power distribution assemblies requiring a small-diameter cartridge fuse. The fast-acting timing characteristic makes it appropriate for resistive loads and sensitive electronic circuits that cannot tolerate sustained overcurrent.

Key Features

• Fast-acting fuse timing for rapid response to overcurrent and short-circuit conditions
• 600V AC voltage rating with 100 kA interrupting capacity
• 0.5A current rating suitable for low-current control and instrumentation circuits
• Melamine body construction for durability in panel environments
• Standard 10.3 mm diameter cartridge fits common fuse holders
• UL Listed, CSA Certified, CE Certified, and RoHS Compliant

Compatibility

Designed as an OEM-style replacement cartridge fuse for use in standard fuse holders accepting a 10.3 mm diameter, 38.10 mm overall length fast-acting cartridge format.

Installation Notes

Installation should be performed by a licensed electrician in accordance with the NEC and applicable local codes. De-energize and lock out the circuit before removing or installing any fuse. Verify the replacement fuse amperage, voltage, and interrupting rating match circuit requirements before insertion. Never install a fuse with a higher amperage rating than the circuit is designed to carry.