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BUSSMANN Fuse: Class RK5, FRN-R Series, Time-Delay, 90 A, 250 V AC, 125 V DC - Time-Delay Blade Fuses
BUSSMANNTime-Delay Blade Fuses

BUSSMANN Fuse: Class RK5, FRN-R Series, Time-Delay, 90 A, 250 V AC, 125 V DC

The BUSSMANN FRN-R-90 is a Class RK5, time-delay blade fuse from the FRN-R Series, rated at 90 A with 250 V AC and 125 V DC capacity. This non-indicating fuse is designed for overcurrent protection in industrial…

SKU 3G-OTH-26208

Also listed as: FRNR90 · FRN R 90

Brand
BUSSMANN
Item
Fuse: Class RK5, FRN-R Series, Time-Delay, 90 A, 250 V AC, 125 V DC
Category
Time-Delay Blade Fuses
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Payment
Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.

Technical Specifications

BUSSMANN
Manufacturer Part Number
FRN-R-90
Series
FRN-R
Type
FRN-R Series, Time-Delay, 90 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-90 is a Class RK5, time-delay blade fuse from the FRN-R Series, rated at 90 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-90 fuse used for?

The BUSSMANN FRN-R-90 is a Class RK5 time-delay fuse rated 90 A at 250 V AC and 125 V DC. It protects motor circuits, transformers, and other inductive loads from short circuits and overloads, while allowing harmless inrush currents. Common in industrial control panels and distribution equipment.

What are the specifications of the BUSSMANN FRN-R-90 fuse?

The BUSSMANN FRN-R-90 is a Class RK5, time-delay, non-indicating fuse from the FRN-R series. It has a current rating of 90 A, voltage rating of 250 V AC and 125 V DC. The manufacturer part number is FRN-R-90. It is designed for branch circuit protection in industrial applications.

Where to buy BUSSMANN FRN-R-90 fuses worldwide?

3G Electric supplies BUSSMANN FRN-R-90 fuses 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 needs.

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 (e.g., 90 A) to your circuit requirements. Consider the time-delay characteristic for motor starts or transformer inrush. Always consult the manufacturer's data sheet for coordination with upstream devices.

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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BUSSMANN Fuse: Class RK5, FRN-R Series, Time-Delay, 80 A, 250 V AC, 125 V DC, Non-Indicating (MPN FRN-R-80)
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BUSSMANN Fuse: Class RK5, FRN-R Series, Time-Delay, 70 A, 250 V AC, 125 V DC, Non-Indicating (MPN FRN-R-70)
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