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

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

The BUSSMANN FRS-R Series Class RK5 Time-Delay Cylindrical Fuse (MPN FRS-R-3/10) is a 300 mA, non-indicating fuse rated for 600 V AC and 300 V DC. 3G Electric interprets this demand and sources the exact OEM part…

SKU 3G-OTH-28991

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

BUSSMANN
Manufacturer Part Number
FRS-R-3/10
Series
FRS-R
Type
FRS-R Series, Time-Delay, 300 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 FRS-R Series Class RK5 Time-Delay Cylindrical Fuse (MPN FRS-R-3/10) is a 300 mA, non-indicating fuse rated for 600 V AC and 300 V DC. 3G Electric interprets this demand and sources the exact OEM part, backed by specialist expertise in electrical components across 14 industrial departments.

Frequently Asked Questions

What is the BUSSMANN FRS-R-3/10 fuse used for?

The BUSSMANN FRS-R-3/10 is a Class RK5 time-delay cylindrical fuse rated 300 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-3/10 fuse?

The BUSSMANN FRS-R-3/10 is a Class RK5, time-delay, non-indicating fuse from the FRS-R series. It is rated 300 mA, 600 V AC, and 300 V DC. The manufacturer part number is FRS-R-3/10. It is designed for overcurrent protection in industrial circuits requiring a compact cylindrical form factor.

Where to buy BUSSMANN FRS-R-3/10 fuses worldwide?

3G Electric supplies the BUSSMANN FRS-R-3/10 fuse worldwide. As a global industrial distributor, we handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time. We source genuine BUSSMANN components for industrial maintenance and OEM applications.

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

To select the correct BUSSMANN FRS-R fuse, match the voltage rating (600 V AC or 300 V DC) and current rating (300 mA for FRS-R-3/10) to your circuit. Ensure the Class RK5 time-delay characteristic suits your load's inrush current. Consult the FRS-R series datasheet for interrupting ratings and physical dimensions.

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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