BUSSMANN Fuse: Class RK5, FRN-R Series, Time-Delay, 250 A, 250 V AC, 250 V DC
The BUSSMANN FRN-R-250 is a Class RK5, time-delay blade fuse rated for 250 A at 250 V AC and 250 V DC. Part of the FRN-R Series, this non-indicating fuse is designed for overcurrent protection in industrial…
SKU 3G-OTH-26883
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Product Description
The BUSSMANN FRN-R-250 is a Class RK5, time-delay blade fuse rated for 250 A at 250 V AC and 250 V DC. Part of the FRN-R Series, this non-indicating fuse is designed for overcurrent protection in industrial electrical systems. 3G Electric interprets your demand and sources this genuine BUSSMANN component across 14 industrial departments, with specialist expertise in controls to support your application.
Frequently Asked Questions
What is the BUSSMANN FRN-R-250 fuse used for?
The BUSSMANN FRN-R-250 is a Class RK5 time-delay fuse designed for motor circuits, transformers, and other inductive loads. It provides overcurrent protection in industrial power distribution panels, switchgear, and control cabinets. Its time-delay characteristic prevents nuisance opening during inrush currents.
What are the specifications of the BUSSMANN FRN-R-250 fuse?
The BUSSMANN FRN-R-250 is a Class RK5, time-delay, non-indicating fuse rated 250 A at 250 V AC and 250 V DC. It belongs to the FRN-R series and carries the manufacturer part number FRN-R-250. It is designed for blade-type mounting in industrial fuse holders.
Where to buy the BUSSMANN FRN-R-250 fuse worldwide?
3G Electric supplies the BUSSMANN FRN-R-250 fuse worldwide. As a global industrial equipment distributor since 1990, we handle full logistics, customs clearance, and delivery to your site. Contact us for availability and lead time; we source and deliver this fuse to any country.
How to select the correct BUSSMANN FRN-R series fuse for an application?
To select the correct BUSSMANN FRN-R series fuse, match the voltage rating (250 V AC/DC) and current rating (250 A) to your circuit requirements. Ensure the Class RK5 time-delay characteristic suits motor or transformer loads. Verify physical dimensions for your fuse holder. Consult the FRN-R series datasheet for coordination curves.
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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.














