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BUSSMANN Fuse: Class RK5, FRS-R Series, Time-Delay, 250 mA, 600 V AC, 300 V DC - Time-Delay Cylindrical Fuses
BUSSMANNTime-Delay Cylindrical Fuses

BUSSMANN Fuse: Class RK5, FRS-R Series, Time-Delay, 250 mA, 600 V AC, 300 V DC

The BUSSMANN Fuse is a Class RK5, FRS-R Series, time-delay cylindrical fuse rated at 250 mA, 600 V AC and 300 V DC, non-indicating. This OEM component provides overcurrent protection with a time-delay characteristic…

SKU 3G-OTH-28640

Also listed as: FRSR14 · FRS R 1 4 · FRS-R-1-4

Brand
BUSSMANN
Item
Fuse: Class RK5, FRS-R Series, Time-Delay, 250 mA, 600 V AC, 300 V DC
Category
Time-Delay Cylindrical Fuses
Available to Order
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Technical specs
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Local availability & support — the Philippines

Delivery
5–8 business days door-to-door; Bureau of Customs clearance typically 2–4 business days.
Payment
Invoicing in PHP or USD. Bank transfer and corporate PO accepted.
Ships to
Manila, Quezon City, Cebu, Davao, Batangas

Technical Specifications

BUSSMANN
Manufacturer Part Number
FRS-R-1/4
Series
FRS-R
Type
FRS-R Series, Time-Delay, 250 mA, 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 250 mA, 600 V AC and 300 V DC, non-indicating. This OEM component provides overcurrent protection with a time-delay characteristic for industrial equipment across 14 departments, backed by specialist expertise in electrical controls.

Supplied to the Philippines — compatible with 60 Hz installations. DHL Express delivery to Manila, Quezon City, Cebu, customs and duties handled door-to-door.

Frequently Asked Questions

What is a BUSSMANN FRS-R-1/4 fuse used for?

The BUSSMANN FRS-R-1/4 is a Class RK5 time-delay fuse rated 250 mA, 600 V AC / 300 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.

What are the specifications of the BUSSMANN FRS-R-1/4 fuse?

The BUSSMANN FRS-R-1/4 is a non-indicating, time-delay cylindrical fuse from the FRS-R series. It is rated 250 mA, 600 V AC, 300 V DC, and carries the manufacturer part number FRS-R-1/4. It is a Class RK5 fuse designed for branch-circuit protection.

Where to buy BUSSMANN FRS-R-1/4 fuses worldwide?

3G Electric supplies BUSSMANN FRS-R-1/4 fuses worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your facility. Contact us for pricing and lead time on this Class RK5 time-delay fuse.

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

Select the BUSSMANN FRS-R fuse based on system voltage (600 V AC or 300 V DC), continuous current (250 mA for the FRS-R-1/4), and the need for time-delay to handle motor start-up. Always verify the interrupting rating and Class (RK5) matches your branch-circuit protection requirements.

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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Compatible alternatives & equivalents

Cross-referenced by specification & description
BUSSMANN Fuse: Class RK5, FRS-R Series, Time-Delay, 7.5 A, 600 V AC, 300 V DC, Non-Indicating (MPN FRS-R-7-1/2)
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BUSSMANN Fuse: Class RK5, FRS-R Series, Time-Delay, 7.5 A, 600 V AC, 300 V DC, Non-Indicating (MPN FRS-R-7-1/2)
BUSSMANN Fuse: Class RK5, FRS-R Series, Time-Delay, 1.5 A, 600 V AC, 300 V DC, Non-Indicating (MPN FRS-R-1-1/2)
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BUSSMANN Fuse: Class RK5, FRS-R Series, Time-Delay, 1.5 A, 600 V AC, 300 V DC, Non-Indicating (MPN FRS-R-1-1/2)
BUSSMANN Fuse: Class RK5, FRS-R Series, Time-Delay, 150 mA, 600 V AC, 300 V DC, Non-Indicating (MPN FRS-R-15/100)
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BUSSMANN Fuse: Class RK5, FRS-R Series, Time-Delay, 150 mA, 600 V AC, 300 V DC, Non-Indicating (MPN FRS-R-15/100)
BUSSMANN Fuse: Class RK5, FRS-R Series, Time-Delay, 100 mA, 600 V AC, 300 V DC, Non-Indicating (MPN FRS-R-1/10)
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BUSSMANN Fuse: Class RK5, FRS-R Series, Time-Delay, 100 mA, 600 V AC, 300 V DC, Non-Indicating (MPN FRS-R-1/10)
BUSSMANN Fuse: Class RK5, FRS-R Series, Time-Delay, 400 mA, 600 V AC, 300 V DC, Non-Indicating (MPN FRS-R-4/10)
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BUSSMANN Fuse: Class RK5, FRS-R Series, Time-Delay, 400 mA, 600 V AC, 300 V DC, Non-Indicating (MPN FRS-R-4/10)
BUSSMANN Fuse: Class RK5, FRS-R Series, Time-Delay, 4.5 A, 600 V AC, 300 V DC, Non-Indicating (MPN FRS-R-4-1/2)
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BUSSMANN Fuse: Class RK5, FRS-R Series, Time-Delay, 4.5 A, 600 V AC, 300 V DC, Non-Indicating (MPN FRS-R-4-1/2)

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