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BUSSMANN Fuse: Class RK5, FRS-R Series, Time-Delay, 12 A, 600 V AC, 300 V DC - Time-Delay Cylindrical Fuses
BUSSMANNTime-Delay Cylindrical Fuses

BUSSMANN Fuse: Class RK5, FRS-R Series, Time-Delay, 12 A, 600 V AC, 300 V DC

The BUSSMANN Fuse is a Class RK5, FRS-R Series, time-delay cylindrical fuse rated at 12 A, 600 V AC, and 300 V DC, non-indicating (MPN FRS-R-12). 3G Electric interprets customer demand and delivers this genuine…

SKU 3G-OTH-25453

Also listed as: FRSR12 · FRS R 12

Brand
BUSSMANN
Item
Fuse: Class RK5, FRS-R Series, Time-Delay, 12 A, 600 V AC, 300 V DC
Category
Time-Delay Cylindrical Fuses
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Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
Payment
Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.

Technical Specifications

BUSSMANN
Manufacturer Part Number
FRS-R-12
Series
FRS-R
Type
FRS-R Series, Time-Delay, 12 A, Non-Indicating
AC
600 V
DC
300 V

Technical Documents

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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 12 A, 600 V AC, and 300 V DC, non-indicating (MPN FRS-R-12). 3G Electric interprets customer demand and delivers this genuine industrial component across 14 departments, with specialist depth in electrical controls as an authorised distributor.

Frequently Asked Questions

What is the BUSSMANN FRS-R-12 fuse used for?

The BUSSMANN FRS-R-12 is a Class RK5 time-delay cylindrical fuse rated 12 A, 600 V AC, 300 V DC. It protects motor circuits, transformers, and other inductive loads from overcurrent and short circuits, allowing harmless inrush currents without nuisance opening.

What are the specifications of the BUSSMANN FRS-R-12 fuse?

The BUSSMANN FRS-R-12 is a Class RK5 time-delay fuse from the FRS-R series. It is rated 12 A, 600 V AC, 300 V DC, non-indicating, with a cylindrical body. The manufacturer part number is FRS-R-12. It provides overcurrent protection for industrial equipment.

Where to buy the BUSSMANN FRS-R-12 fuse worldwide?

3G Electric supplies the BUSSMANN FRS-R-12 fuse worldwide. As a global industrial equipment distributor since 1990, we handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time on this Class RK5 time-delay fuse.

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

To select the correct BUSSMANN FRS-R fuse, match the voltage rating (600 V AC or 300 V DC) and current rating (e.g., 12 A) to your circuit. Consider the time-delay characteristic for motor starting. Verify the Class RK5 rejection feature fits your fuse holder. Consult a qualified engineer for specific applications.

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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Cross-referenced by specification & description
BUSSMANN Fuse: Class RK5, FRS-R Series, Time-Delay, 10 A, 600 V AC, 300 V DC, Non-Indicating (MPN FRS-R-10)
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