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BUSSMANN Fuse: Class RK5, FRN-R Series, Time-Delay, 3 A, 250 V AC, 125 V DC - Time-Delay Cylindrical Fuses
BUSSMANNTime-Delay Cylindrical Fuses

BUSSMANN Fuse: Class RK5, FRN-R Series, Time-Delay, 3 A, 250 V AC, 125 V DC

The BUSSMANN FRN-R-3 is a Class RK5, time-delay cylindrical fuse from the FRN-R Series, rated at 3 A, 250 V AC and 125 V DC, non-indicating. 3G Electric interprets your demand for overcurrent protection and sources…

SKU 3G-OTH-28921

Also listed as: FRNR3 · FRN R 3

Brand
BUSSMANN
Item
Fuse: Class RK5, FRN-R Series, Time-Delay, 3 A, 250 V AC, 125 V DC
Category
Time-Delay Cylindrical Fuses
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Delivery
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
FRN-R-3
Series
FRN-R
Type
FRN-R Series, Time-Delay, 3 A, Non-Indicating
AC
250 V
DC
125 V

Technical Documents

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

Product Description

The BUSSMANN FRN-R-3 is a Class RK5, time-delay cylindrical fuse from the FRN-R Series, rated at 3 A, 250 V AC and 125 V DC, non-indicating. 3G Electric interprets your demand for overcurrent protection and sources this genuine BUSSMANN component, backed by our specialist expertise in electrical controls across 14 industrial departments.

Frequently Asked Questions

What is the BUSSMANN FRN-R-3 fuse used for?

The BUSSMANN FRN-R-3 is a Class RK5 time-delay fuse rated 3 A, 250 V AC / 125 V DC. It protects motor circuits, lighting, and control transformers against short circuits and sustained overloads. Its time-delay characteristic allows harmless inrush currents without nuisance opening.

What are the specifications of the BUSSMANN FRN-R-3 fuse?

The BUSSMANN FRN-R-3 is a non-indicating, time-delay cylindrical fuse from the FRN-R Series. It is rated 3 A at 250 V AC and 125 V DC. The manufacturer part number is FRN-R-3. It is a Class RK5 fuse designed for branch-circuit protection.

Where to buy BUSSMANN FRN-R-3 fuses worldwide?

3G Electric supplies BUSSMANN FRN-R-3 fuses to customers worldwide. We handle full logistics, customs clearance, and delivery to your site. Contact us for a quote and lead time. As a global industrial solutions provider, we source genuine BUSSMANN components for your application.

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

Select the BUSSMANN FRN-R fuse based on your circuit voltage (250 V AC or 125 V DC) and continuous current rating. The time-delay feature suits motor and transformer circuits with high inrush. Verify the interrupting rating meets your available fault current. 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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Cross-referenced by specification & description
BUSSMANN Fuse: Class RK5, FRN-R Series, Time-Delay, 6 A, 250 V AC, 125 V DC, Non-Indicating (MPN FRN-R-6)
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