BUSSMANN FRN-R-300 Time-Delay Blade Fuse
The BUSSMANN FRN-R-300 is a Class RK5 time-delay blade fuse from the FRN-R Series, rated 300 A at 250 V AC and 250 V DC, non-indicating. 3G Electric interprets this demand and sources the exact OEM part across 14…
SKU 3G-OTH-26969
Also listed as: FRNR300 · FRN R 300
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-300 is a Class RK5 time-delay blade fuse from the FRN-R Series, rated 300 A at 250 V AC and 250 V DC, non-indicating. 3G Electric interprets this demand and sources the exact OEM part across 14 industrial departments — with specialist depth in combustion, pumps and controls as an authorised distributor — ensuring you get the right answer, not just a catalog.
Frequently Asked Questions
What is the BUSSMANN FRN-R-300 fuse used for?
The BUSSMANN FRN-R-300 is a Class RK5 time-delay fuse rated 300 A at 250 V AC/DC. It protects motors, transformers, and other inductive loads from short circuits and sustained overloads in industrial power distribution and control panels.
What are the specifications of the BUSSMANN FRN-R-300 fuse?
The FRN-R-300 is a 300 A, 250 V AC/DC, Class RK5 time-delay fuse from the FRN-R series. It is non-indicating and designed for branch-circuit protection where high inrush currents occur. BUSSMANN is the manufacturer (MPN FRN-R-300).
Where to buy the BUSSMANN FRN-R-300 fuse worldwide?
3G Electric supplies the BUSSMANN FRN-R-300 fuse to customers worldwide. As a global industrial sourcing partner, we handle full logistics, customs clearance, and delivery to your site. Contact us for pricing and lead time on this Class RK5 time-delay fuse.
How to select the correct BUSSMANN FRN-R series fuse for a motor circuit?
Select the FRN-R series fuse based on motor full-load current and starting characteristics. The time-delay feature allows temporary inrush without nuisance opening. Verify voltage rating (250 V AC/DC) and ensure the amp rating (e.g., 300 A) exceeds continuous load. Consult NEC Article 430 for sizing.
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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.