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BUSSMANN FRN-R-7-1/2 Time-Delay Cylindrical Fuse - Time-Delay Cylindrical Fuses
BUSSMANNTime-Delay Cylindrical Fuses

BUSSMANN FRN-R-7-1/2 Time-Delay Cylindrical Fuse

The BUSSMANN FRN-R Series Class RK5 Time-Delay Cylindrical Fuse (MPN FRN-R-7-1/2) is a 7.5 A, non-indicating fuse rated for 250 V AC and 125 V DC. 3G Electric interprets customer demand and delivers this genuine…

SKU 3G-OTH-28625

Also listed as: FRNR712 · FRN R 7 1 2 · FRN-R-7-1-2

Brand
BUSSMANN
Item
FRN-R-7-1/2 Time-Delay Cylindrical Fuse
Part Number
FRN-R-7-1/2
Category
Time-Delay Cylindrical Fuses
Available to Order
Also known as:FRN-R-7-1/2BUSSMANN
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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

Technical Specifications

BUSSMANN
Manufacturer Part Number
FRN-R-7-1/2
Series
FRN-R
Type
FRN-R Series, Time-Delay, 7.5 A, Non-Indicating
AC
250 V
DC
125 V

Technical Documents

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BUSSMANN Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The BUSSMANN FRN-R Series Class RK5 Time-Delay Cylindrical Fuse (MPN FRN-R-7-1/2) is a 7.5 A, non-indicating fuse rated for 250 V AC and 125 V DC. 3G Electric interprets customer demand and delivers this genuine industrial fuse across 14 industrial departments — with specialist depth in electrical components as an authorised distributor.

Frequently Asked Questions

What is the BUSSMANN FRN-R-7-1/2 fuse used for?

The BUSSMANN FRN-R-7-1/2 is a Class RK5 time-delay fuse rated 7.5 A, 250 V AC / 125 V DC. It protects motor circuits, transformers, and lighting panels from overloads and short circuits. Its time-delay characteristic allows harmless inrush currents without nuisance opening, making it ideal for industrial and commercial power distribution.

What are the specifications of the BUSSMANN FRN-R-7-1/2 fuse?

The BUSSMANN FRN-R-7-1/2 is a Class RK5, time-delay, non-indicating cylindrical fuse. It is rated 7.5 A, 250 V AC and 125 V DC. The series is FRN-R, and the manufacturer part number is FRN-R-7-1/2. It provides branch-circuit protection for motor and transformer applications.

Where to buy BUSSMANN FRN-R-7-1/2 fuses worldwide?

3G Electric supplies BUSSMANN FRN-R-7-1/2 fuses 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 and deliver genuine BUSSMANN components to any country.

How to select the correct BUSSMANN FRN-R fuse for my application?

Select the BUSSMANN FRN-R fuse based on voltage (250 V AC or 125 V DC), current rating (7.5 A), and the need for time-delay to handle motor inrush. Verify the Class RK5 rejection feature fits your fuse holder. Always consult the equipment nameplate and local electrical codes to ensure proper coordination.

Used in

Common applications for BUSSMANN
Industrial drives — BUSSMANN FWC series fast-acting cylindrical fuses protect power semiconductors in AC/DC drive circuits.
Control transformers — BUSSMANN FNQ-R series time-delay fuses handle inrush currents in control power circuits.
Semiconductor protection — BUSSMANN KAC series bolt-on fuses safeguard diodes, thyristors, and IGBTs in AC-only applications.
Electrical panels — BUSSMANN FP-2, FP-3, FP-4, and FP-6 fuse pullers enable safe fuse replacement in distribution panels.
Automotive electrical systems — BUSSMANN FP-A3 fuse puller removes and installs 1/4 in and 1/2 in automotive fuses.
Power supplies — BUSSMANN FWC series fuses provide overcurrent protection in AC/DC power supply circuits.
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BUSSMANN 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.

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