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BUSSMANN Fuse: Class RK5, FRS-R Series, Time-Delay, 500 mA, 600 V AC, 300 V DC - Time-Delay Cylindrical Fuses
BUSSMANNTime-Delay Cylindrical Fuses

BUSSMANN Fuse: Class RK5, FRS-R Series, Time-Delay, 500 mA, 600 V AC, 300 V DC

The BUSSMANN Fuse is a Class RK5, FRS-R Series, time-delay cylindrical fuse rated at 500 mA, 600 V AC and 300 V DC, non-indicating (MPN FRS-R-1/2). 3G Electric interprets this demand and sources the exact…

SKU 3G-OTH-28810

Brand
BUSSMANN
Item
Fuse: Class RK5, FRS-R Series, Time-Delay, 500 mA, 600 V AC, 300 V DC
Category
Time-Delay Cylindrical Fuses
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Technical Specifications

BUSSMANN
Manufacturer Part Number
FRS-R-1/2
Series
FRS-R
Type
FRS-R Series, Time-Delay, 500 mA, Non-Indicating
AC
600 V
DC
300 V
View Full Spec Sheet

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

Product Description

The BUSSMANN Fuse is a Class RK5, FRS-R Series, time-delay cylindrical fuse rated at 500 mA, 600 V AC and 300 V DC, non-indicating (MPN FRS-R-1/2). 3G Electric interprets this demand and sources the exact OEM-specified component across 14 industrial departments — with specialist depth in electrical, combustion, pumps and controls as an authorised distributor for brands including BUSSMANN, Schneider, ABB, Siemens, SKF, Festo, Fluke, Interpump and FBR.

Frequently Asked Questions

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

The BUSSMANN FRS-R-1/2 is a Class RK5 time-delay cylindrical fuse rated 500 mA, 600 V AC, and 300 V DC. It protects motor circuits, transformers, and other inductive loads from overcurrent while tolerating harmless inrush surges. Common in industrial control panels and power distribution.

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

The BUSSMANN FRS-R-1/2 is a Class RK5, time-delay, non-indicating fuse rated 500 mA, 600 V AC, and 300 V DC. It belongs to the FRS-R series and has the manufacturer part number FRS-R-1/2. It is designed for cylindrical fuse holders and provides branch-circuit protection.

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

3G Electric supplies BUSSMANN FRS-R-1/2 fuses worldwide. As a global industrial distributor since 1990, 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 applications.

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

Select the BUSSMANN FRS-R fuse based on your circuit's voltage (AC or DC), continuous current rating, and inrush characteristics. The FRS-R series offers time-delay performance for motor starts. Verify the Class RK5 rejection feature fits your fuse holder. Consult a qualified engineer for coordination studies.

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 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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