BUSSMANN Fuse: Class RK5, FRN-R Series, Time-Delay, 400 mA, 250 V AC, 125 V DC
The BUSSMANN FRN-R-4/10 is a Class RK5, time-delay cylindrical fuse from the FRN-R Series, rated at 400 mA with 250 V AC and 125 V DC capacity. This non-indicating fuse is designed for overcurrent protection in…
SKU 3G-OTH-28714
Also listed as: FRNR410 · FRN R 4 10 · FRN-R-4-10
Local availability & support
- 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-4/10 is a Class RK5, time-delay cylindrical fuse from the FRN-R Series, rated at 400 mA with 250 V AC and 125 V DC capacity. This non-indicating fuse is designed for overcurrent protection in industrial circuits, sourced and supported by 3G Electric across 14 industrial departments.
Frequently Asked Questions
What is the BUSSMANN FRN-R-4/10 fuse used for?
The BUSSMANN FRN-R-4/10 is a Class RK5 time-delay cylindrical fuse rated 400 mA at 250 V AC or 125 V DC. It protects motor circuits, transformers, and lighting panels from overcurrent while tolerating harmless inrush surges. Its non-indicating design suits industrial control panels and distribution equipment where space is limited.
What are the specifications of the BUSSMANN FRN-R-4/10 fuse?
The BUSSMANN FRN-R-4/10 is a Class RK5, time-delay, non-indicating fuse rated 400 mA (0.4 A). It operates at 250 V AC or 125 V DC. The FRN-R series provides branch-circuit protection with a 200 kA interrupting rating. The manufacturer part number is FRN-R-4/10.
Where to buy BUSSMANN FRN-R-4/10 fuses worldwide?
3G Electric supplies the BUSSMANN FRN-R-4/10 fuse worldwide. As a global industrial distributor, we handle full logistics, customs clearance, and delivery to your site. Contact us for availability and lead time. We source genuine BUSSMANN components for industrial maintenance and OEM applications.
How to select the correct BUSSMANN FRN-R series fuse?
Select the BUSSMANN FRN-R fuse based on your circuit voltage (250 V AC or 125 V DC) and continuous current rating—here 400 mA. The time-delay characteristic handles motor-starting inrush without nuisance opening. Verify the Class RK5 rejection feature fits your fuse holder. 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.
