BUSSMANN Fuse: Class RK5, FRN-R-ID Series, Time-Delay, 40 A, 250 V AC, 125 V DC
The BUSSMANN FRN-R-ID Series Class RK5 Time-Delay Cylindrical Fuse (MPN FRN-R-40ID) is a 40 A, indicating fuse rated for 250 V AC and 125 V DC. As a time-delay fuse, it accommodates temporary inrush currents while…
SKU 3G-OTH-25289
Also listed as: FRNR40ID · FRN R 40ID
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- Delivery
- Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
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- Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.
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Product Description
The BUSSMANN FRN-R-ID Series Class RK5 Time-Delay Cylindrical Fuse (MPN FRN-R-40ID) is a 40 A, indicating fuse rated for 250 V AC and 125 V DC. As a time-delay fuse, it accommodates temporary inrush currents while providing overcurrent protection. 3G Electric interprets demand and sources this genuine BUSSMANN fuse across 14 industrial departments, with specialist depth in electrical components.
Frequently Asked Questions
What is the BUSSMANN FRN-R-40ID fuse used for?
The BUSSMANN FRN-R-40ID is a Class RK5 time-delay indicating fuse used for overcurrent protection in industrial motor circuits, lighting panels, and distribution equipment. Its time-delay characteristic handles inrush currents from motors and transformers, while the indicating window shows a blown fuse for faster troubleshooting.
What are the specifications of the BUSSMANN FRN-R-40ID fuse?
The BUSSMANN FRN-R-40ID is a Class RK5 time-delay indicating fuse rated 40 A, 250 V AC and 125 V DC. It belongs to the FRN-R-ID series and has a cylindrical body with a visual indicator. The manufacturer part number is FRN-R-40ID. It is designed for branch-circuit protection in industrial applications.
Where to buy the BUSSMANN FRN-R-40ID fuse worldwide?
You can source the BUSSMANN FRN-R-40ID fuse through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations. Contact us for availability and lead time. 3G Electric supplies genuine BUSSMANN fuses for industrial maintenance and OEM needs.
How to select the correct BUSSMANN FRN-R-ID series fuse for a motor circuit?
To select the correct BUSSMANN FRN-R-ID series fuse, match the voltage rating (250 V AC or 125 V DC) to your system voltage and choose an amp rating that exceeds the motor full-load current by 125-150% for time-delay characteristics. The indicating feature helps identify blown fuses quickly. Always consult the manufacturer's data sheet for coordination.
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3G Electric supplies BUSSMANN time-delay cylindrical fuses. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.
