BUSSMANN Fuse: Class RK5, FRS-R Series, Time-Delay, 450 A, 600 V AC, 300 V DC
The BUSSMANN Fuse is a Class RK5, FRS-R Series, Time-Delay Blade Fuse rated at 450 A, 600 V AC and 300 V DC, non-indicating (MPN FRS-R-450). 3G Electric interprets this demand and sources the exact OEM part, backed…
SKU 3G-OTH-27217
Also listed as: FRSR450 · FRS R 450
Local availability & support — Singapore
- Local office
- 20 Woodlands Link #09-05, Singapore 738733
- Phone
- +65 8878 8355
- Delivery
- Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
- Payment
- Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
- Ships to
- Singapore
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Product Description
The BUSSMANN Fuse is a Class RK5, FRS-R Series, Time-Delay Blade Fuse rated at 450 A, 600 V AC and 300 V DC, non-indicating (MPN FRS-R-450). 3G Electric interprets this demand and sources the exact OEM part, backed by specialist expertise in electrical components across 14 industrial departments.
Frequently Asked Questions
What is the BUSSMANN FRS-R-450 fuse used for?
The BUSSMANN FRS-R-450 is a Class RK5 time-delay fuse rated 450 A, 600 V AC / 300 V DC. It protects industrial motor circuits, transformers, and lighting panels from overloads and short circuits. Its time-delay characteristic prevents nuisance opening during inrush currents, making it ideal for heavy machinery and power distribution.
What are the specifications of the BUSSMANN FRS-R-450 fuse?
The BUSSMANN FRS-R-450 is a Class RK5, FRS-R series, time-delay, non-indicating blade fuse. It is rated 450 A, 600 V AC and 300 V DC. The manufacturer part number is FRS-R-450. It is designed for overcurrent protection in industrial applications requiring high interrupting capacity and delayed response.
Where to buy BUSSMANN FRS-R-450 fuses worldwide?
3G Electric supplies the BUSSMANN FRS-R-450 fuse to customers worldwide. As a global industrial sourcing partner, we handle full logistics, customs clearance, and delivery to your location. Contact us for pricing and lead time on this Class RK5 time-delay fuse. We provide genuine BUSSMANN components for industrial maintenance and new installations.
How to select the correct BUSSMANN FRS-R fuse for an application?
To select the correct BUSSMANN FRS-R fuse, match the voltage rating (600 V AC / 300 V DC) and current rating (450 A) to your circuit requirements. The time-delay feature suits motor starts and transformer inrush. Verify the Class RK5 rejection feature fits your fuse holder. Consult a qualified engineer for coordination studies and safety margins.
Used in
Common applications for BUSSMANNBUSSMANN Products
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.
