BUSSMANN FRN-R-450 Time-Delay Blade Fuse, 450 A, 250 V AC/DC, Class RK5
The BUSSMANN FRN-R-450 is a Class RK5, time-delay blade fuse rated at 450 A, 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…
SKU 3G-OTH-28472
Also listed as: FRNR450 · FRN R 450
Local availability & support
- Delivery
- Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
- Payment
- Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.
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Product Description
The BUSSMANN FRN-R-450 is a Class RK5, time-delay blade fuse rated at 450 A, 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.
Frequently Asked Questions
What is the BUSSMANN FRN-R-450 fuse used for?
The BUSSMANN FRN-R-450 is a Class RK5 time-delay fuse rated 450 A at 250 V AC/DC. It protects motors, transformers, and other inductive loads from short circuits and sustained overloads in industrial power distribution, panelboards, and switchgear across machining, HVAC, and material handling systems.
What are the specifications of the BUSSMANN FRN-R-450 fuse?
The BUSSMANN FRN-R-450 is a non-indicating, time-delay blade fuse from the FRN-R Series. It carries 450 A at 250 V AC and 250 V DC. Its Class RK5 rejection design prevents interchangeability with lower-rated fuses, ensuring selective coordination in branch circuits.
Where to buy the BUSSMANN FRN-R-450 fuse worldwide?
3G Electric supplies the BUSSMANN FRN-R-450 fuse to global customers. As a sourcing partner across 14 industrial departments, we handle logistics, customs clearance, and delivery worldwide. Contact us for lead time and pricing on this FRN-R Series time-delay fuse.
How to select the correct BUSSMANN FRN-R-450 fuse for an application?
Select the BUSSMANN FRN-R-450 for circuits requiring 450 A continuous current at up to 250 V AC/DC. Its time-delay characteristic handles motor inrush without nuisance opening. Verify the fuse holder accepts Class RK5 dimensions and that the interrupting rating meets your available fault current.
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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.