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BUSSMANN Fuse: Class RK5, FRN-R Series, Time-Delay, 150 A, 250 V AC, 125 V DC - Time-Delay Blade Fuses
BUSSMANNTime-Delay Blade Fuses

BUSSMANN Fuse: Class RK5, FRN-R Series, Time-Delay, 150 A, 250 V AC, 125 V DC

The BUSSMANN FRN-R-150 is a Class RK5, time-delay blade fuse from the FRN-R Series, rated at 150 A with 250 V AC and 125 V DC capacity. This non-indicating fuse is designed for overcurrent protection in industrial…

SKU 3G-OTH-28429

Also listed as: FRNR150 · FRN R 150

Brand
BUSSMANN
Item
Fuse: Class RK5, FRN-R Series, Time-Delay, 150 A, 250 V AC, 125 V DC
Category
Time-Delay Blade 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
FRN-R-150
Series
FRN-R
Type
FRN-R Series, Time-Delay, 150 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-150 is a Class RK5, time-delay blade fuse from the FRN-R Series, rated at 150 A with 250 V AC and 125 V DC capacity. This non-indicating fuse is designed for overcurrent protection in industrial electrical systems, supporting motor and equipment circuits that require a time-delay characteristic to handle temporary inrush currents.

Frequently Asked Questions

What is the BUSSMANN FRN-R-150 fuse used for?

The BUSSMANN FRN-R-150 is a Class RK5 time-delay fuse rated 150 A at 250 V AC or 125 V DC. It protects motors, transformers, and other inductive loads from short circuits and sustained overloads in industrial control panels, HVAC equipment, and power distribution systems.

What are the specifications of the BUSSMANN FRN-R-150 fuse?

The BUSSMANN FRN-R-150 is a non-indicating, time-delay blade fuse from the FRN-R Series. It is rated 150 A, 250 V AC, and 125 V DC. Its Class RK5 design provides high interrupting capacity for branch-circuit protection in industrial environments.

Where to buy BUSSMANN FRN-R-150 fuses worldwide?

3G Electric supplies the BUSSMANN FRN-R-150 fuse to customers worldwide. We handle full logistics, customs clearance, and delivery to your site. Contact us for pricing and lead time on this Class RK5 time-delay fuse rated 150 A at 250 V AC.

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

To select the correct BUSSMANN FRN-R fuse, match the voltage rating (250 V AC or 125 V DC) and current rating (150 A for the FRN-R-150) to your circuit requirements. Use the time-delay characteristic for motor-starting applications to avoid nuisance opening. Always consult the manufacturer's data sheet for coordination.

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 blade 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, FRN-R Series, Time-Delay, 125 A, 250 V AC, 125 V DC, Non-Indicating (MPN FRN-R-125)
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BUSSMANN Fuse: Class RK5, FRN-R Series, Time-Delay, 125 A, 250 V AC, 125 V DC, Non-Indicating (MPN FRN-R-125)
BUSSMANN Fuse: Class RK5, FRN-R Series, Time-Delay, 200 A, 250 V AC, 125 V DC, Non-Indicating (MPN FRN-R-200)
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BUSSMANN Fuse: Class RK5, FRN-R Series, Time-Delay, 200 A, 250 V AC, 125 V DC, Non-Indicating (MPN FRN-R-200)
BUSSMANN Fuse: Class RK5, FRS-R Series, Time-Delay, 125 A, 600 V AC, 300 V DC, Non-Indicating (MPN FRS-R-125)
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BUSSMANN Fuse: Class RK5, FRS-R Series, Time-Delay, 125 A, 600 V AC, 300 V DC, Non-Indicating (MPN FRS-R-125)
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BUSSMANN Fuse: Class RK5, FRN-R Series, Time-Delay, 3.5 A, 250 V AC, 125 V DC, Non-Indicating (MPN FRN-R-3-1/2)
BUSSMANN Fuse: Class RK5, FRS-R Series, Time-Delay, 200 A, 600 V AC, 300 V DC, Non-Indicating (MPN FRS-R-200)
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BUSSMANN Fuse: Class RK5, FRS-R Series, Time-Delay, 200 A, 600 V AC, 300 V DC, Non-Indicating (MPN FRS-R-200)
BUSSMANN Fuse: Class RK5, FRN-R Series, Time-Delay, 400 A, 250 V AC, 250 V DC, Non-Indicating (MPN FRN-R-400)
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BUSSMANN Fuse: Class RK5, FRN-R Series, Time-Delay, 400 A, 250 V AC, 250 V DC, Non-Indicating (MPN FRN-R-400)

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