BUSSMANN Fuse: Class RK5, FRN-R Series, Time-Delay, 80 A, 250 V AC, 125 V DC
The BUSSMANN FRN-R-80 is a Class RK5, time-delay blade fuse from the FRN-R Series, rated at 80 A with 250 V AC and 125 V DC capacity. This non-indicating fuse is designed for overcurrent protection in industrial…
SKU 3G-OTH-26183
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Product Description
The BUSSMANN FRN-R-80 is a Class RK5, time-delay blade fuse from the FRN-R Series, rated at 80 A with 250 V AC and 125 V DC capacity. This non-indicating fuse is designed for overcurrent protection in industrial electrical systems, supporting motor and equipment circuits that require a time-delay characteristic to handle inrush currents.
Frequently Asked Questions
What is the BUSSMANN FRN-R-80 fuse used for?
The BUSSMANN FRN-R-80 is a Class RK5 time-delay fuse rated 80 A, 250 V AC, 125 V DC. It protects motor circuits, transformers, and other inductive loads from short circuits and overloads. Its time-delay characteristic prevents nuisance opening during inrush currents, making it suitable for industrial power distribution and control panels.
What are the specifications of the BUSSMANN FRN-R-80 fuse?
The BUSSMANN FRN-R-80 is a Class RK5, time-delay, non-indicating fuse from the FRN-R series. It is rated 80 A, 250 V AC, 125 V DC. The manufacturer part number is FRN-R-80. It is designed for branch circuit protection and provides a high interrupting rating for industrial applications.
Where to buy the BUSSMANN FRN-R-80 fuse worldwide?
You can source the BUSSMANN FRN-R-80 fuse worldwide through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time. We supply genuine BUSSMANN components for industrial maintenance and new installations.
How to select the correct BUSSMANN FRN-R series fuse for a motor circuit?
To select the correct BUSSMANN FRN-R series fuse, match the voltage rating (250 V AC or 125 V DC) and current rating (e.g., 80 A) to your circuit requirements. Use the time-delay characteristic for motor starting inrush. Verify the Class RK5 rejection feature fits your fuse holder. Consult the manufacturer's data sheet for specific motor horsepower ratings.
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3G Electric supplies BUSSMANN time-delay blade fuses. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.














