BUSSMANN Fuse: Class RK5, FRN-R Series, Time-Delay, 40 A, 250 V AC, 125 V DC
The BUSSMANN FRN-R-40 is a Class RK5, time-delay cylindrical fuse from the FRN-R Series, rated 40 A at 250 V AC and 125 V DC, non-indicating. 3G Electric interprets your demand for overcurrent protection and sources…
SKU 3G-OTH-25139
Also listed as: FRNR40 · FRN R 40
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 FRN-R-40 is a Class RK5, time-delay cylindrical fuse from the FRN-R Series, rated 40 A at 250 V AC and 125 V DC, non-indicating. 3G Electric interprets your demand for overcurrent protection and sources this genuine BUSSMANN component across 14 industrial departments — with specialist depth in electrical controls to ensure the right fuse for your application.
Frequently Asked Questions
What is the BUSSMANN FRN-R-40 fuse used for?
The BUSSMANN FRN-R-40 is a Class RK5 time-delay cylindrical fuse rated 40 A, 250 V AC and 125 V DC. It protects motor circuits, transformers, and other inductive loads from overcurrent while tolerating harmless inrush currents. Common in industrial control panels and distribution equipment.
What are the specifications of the BUSSMANN FRN-R-40 fuse?
The BUSSMANN FRN-R-40 is a Class RK5, time-delay, non-indicating fuse rated 40 A, 250 V AC and 125 V DC. It belongs to the FRN-R Series and has the manufacturer part number FRN-R-40. It is designed for overcurrent protection in industrial applications.
Where to buy BUSSMANN FRN-R-40 fuses worldwide?
You can source the BUSSMANN FRN-R-40 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 and other BUSSMANN fuse models.
How to select the correct BUSSMANN FRN-R-40 fuse for an application?
To select the BUSSMANN FRN-R-40, verify your circuit voltage does not exceed 250 V AC or 125 V DC and that the continuous load current is below 40 A. The time-delay feature handles motor-start inrush. Always consult the manufacturer's data sheet for coordination and interrupting rating requirements.
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.
