BUSSMANN FRS-R-450 Time-Delay Blade Fuse, 450 A, 600 V AC / 300 V DC, Class RK5
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
- 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 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.
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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.