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BUSSMANN Fuse: Class RK5, FRN-R Series, Time-Delay, 500 A, 250 V AC, 250 V DC - Time-Delay Blade Fuses
BUSSMANNTime-Delay Blade Fuses

BUSSMANN Fuse: Class RK5, FRN-R Series, Time-Delay, 500 A, 250 V AC, 250 V DC

The BUSSMANN FRN-R-500 is a Class RK5, time-delay blade fuse rated for 500 A at 250 V AC and 250 V DC. Part of the FRN-R Series, this non-indicating fuse is designed for overcurrent protection in industrial…

SKU 3G-OTH-27224

Brand
BUSSMANN
Item
Fuse: Class RK5, FRN-R Series, Time-Delay, 500 A, 250 V AC, 250 V DC
Category
Time-Delay Blade Fuses
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Technical Specifications

BUSSMANN
Manufacturer Part Number
FRN-R-500
Series
FRN-R
Type
FRN-R Series, Time-Delay, 500 A, Non-Indicating
AC
250 V
DC
250 V
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BUSSMANN Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The BUSSMANN FRN-R-500 is a Class RK5, time-delay blade fuse rated for 500 A at 250 V AC and 250 V DC. Part of the FRN-R Series, this non-indicating fuse is designed for overcurrent protection in industrial electrical systems. 3G Electric interprets your demand and sources this genuine BUSSMANN component across 14 industrial departments, with specialist expertise in electrical controls to support your application.

Frequently Asked Questions

What is the BUSSMANN FRN-R-500 fuse used for?

The BUSSMANN FRN-R-500 is a Class RK5 time-delay fuse rated 500 A at 250 V AC/DC. It protects motors, transformers, and other inductive loads from short circuits and sustained overloads in industrial power distribution, control panels, and heavy machinery.

What are the specifications of the BUSSMANN FRN-R-500 fuse?

The FRN-R-500 is a non-indicating, time-delay blade fuse from the FRN-R series. It is rated 500 A, 250 V AC and 250 V DC, with a Class RK5 rejection feature. The manufacturer part number is FRN-R-500.

Where to buy the BUSSMANN FRN-R-500 fuse worldwide?

3G Electric supplies the BUSSMANN FRN-R-500 fuse to customers worldwide. We handle full logistics, customs clearance, and delivery to your site. Contact us for a quote and lead time on this and other BUSSMANN industrial fuses.

How to select the correct BUSSMANN FRN-R-500 fuse for an application?

Select the FRN-R-500 when you need a 500 A, 250 V AC/DC time-delay fuse for motor or transformer protection. Verify the Class RK5 rejection feature matches your fuse holder. Always confirm voltage, current, and interrupting rating per your circuit design.

Used in

Common applications for BUSSMANN
Industrial motor control centers — BUSSMANN LPT series Class T time-delay fuses for branch circuit protection
Semiconductor protection in variable frequency drives — BUSSMANN FWA series fast-acting bolt-on fuses rated 150 V AC/DC
Automotive auxiliary circuit protection — BUSSMANN CB222 series Type II circuit breakers in 12 V DC systems
Control panel overcurrent protection — BUSSMANN FNA series midget time-delay indicating fuses for instrumentation
Main feeder protection in power distribution — BUSSMANN KLU series Class L time-delay bolt-on fuses up to 650 A
Fuse replacement in existing panels — BUSSMANN S-8301-1-R fuse block accepting 3AG and other glass/ceramic fuses

BUSSMANN Products

3G Electric supplies BUSSMANN time-delay blade fuses. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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