BUSSMANN Fuse: Class RK5, FRN-R Series, Time-Delay, 3.5 A, 250 V AC, 125 V DC
The BUSSMANN FRN-R-3-1/2 is a Class RK5, time-delay cylindrical fuse from the FRN-R Series, rated at 3.5 A with 250 V AC and 125 V DC capacity. This non-indicating fuse is designed for overcurrent protection in…
SKU 3G-OTH-26284
Also listed as: FRNR312 · FRN R 3 1 2 · FRN-R-3-1-2
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.
Need installation or engineering help?
Ask a question
Product Description
The BUSSMANN FRN-R-3-1/2 is a Class RK5, time-delay cylindrical fuse from the FRN-R Series, rated at 3.5 A with 250 V AC and 125 V DC capacity. This non-indicating fuse is designed for overcurrent protection in industrial electrical systems, sourced and supported by 3G Electric across 14 industrial departments.
Frequently Asked Questions
What is the BUSSMANN FRN-R-3-1/2 fuse used for?
The BUSSMANN FRN-R-3-1/2 is a Class RK5 time-delay cylindrical fuse used for motor and transformer protection in industrial control panels, lighting circuits, and branch circuits. Its time-delay characteristic handles inrush currents without nuisance opening, making it suitable for applications with inductive loads.
What are the specifications of the BUSSMANN FRN-R-3-1/2 fuse?
The BUSSMANN FRN-R-3-1/2 is a Class RK5 time-delay fuse rated 3.5 A, 250 V AC and 125 V DC. It is non-indicating and part of the FRN-R series. The manufacturer part number is FRN-R-3-1/2. It provides overcurrent protection for industrial equipment.
Where to buy the BUSSMANN FRN-R-3-1/2 fuse worldwide?
You can source the BUSSMANN FRN-R-3-1/2 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 on this BUSSMANN fuse.
How to select the correct BUSSMANN FRN-R series fuse for an application?
To select the correct BUSSMANN FRN-R series fuse, match the voltage rating (250 V AC or 125 V DC) and current rating (e.g., 3.5 A) to your circuit requirements. Consider the time-delay characteristic for motor or transformer starting currents. Always verify the Class RK5 rejection feature prevents substitution with lower-rated fuses.
Used in
Common applications for BUSSMANNBUSSMANN Products
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.
