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The COOPER BUSSMANN BP/KTK-1 is a 1 amp fast acting fuse in the KTK series, packaged in a carded retail-style 5-pack for convenient field and shop stocking. Fast acting fuses respond almost instantly to overcurrent conditions, making them well suited for protecting sensitive electronic components, control circuits, and instrumentation where a time-delay fuse would allow damaging current levels to persist. At 1 amp, this fuse is typically found in low-current control circuit applications. Licensed electricians and HVAC controls technicians are the primary installers of this fuse type.
The BP/KTK-1 is used in residential and light commercial control panels, HVAC equipment control boards, and electrical enclosures where fast-acting overcurrent protection is required on low-amperage circuits. The KTK series is a recognized format in industrial control and HVAC applications where panel-mount fuse holders accept this fuse form factor. Each package contains 5 fuses, supporting replacement inventory for service vans and shop stock.
Designed as an OEM-style replacement fast acting fuse for control circuits and panel applications requiring a KTK-series 1 amp fuse.
Installation should be performed by a licensed electrician or qualified HVAC controls technician. Always de-energize the circuit and verify zero voltage with a meter before replacing a fuse. Confirm the replacement fuse amp rating matches the original exactly — substituting a higher-rated fuse can defeat overcurrent protection. Follow applicable NEC requirements for fuse replacement in electrical enclosures.
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
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