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BUSSMANN Fuse: Class RK5, FRS-R Series, Time-Delay, 90 A, 600 V AC, 300 V DC - Time-Delay Blade Fuses
BUSSMANNTime-Delay Blade Fuses

BUSSMANN Fuse: Class RK5, FRS-R Series, Time-Delay, 90 A, 600 V AC, 300 V DC

The BUSSMANN FRS-R Series Fuse is a Class RK5, time-delay blade fuse rated at 90 A, 600 V AC and 300 V DC, non-indicating. 3G Electric interprets your demand for industrial electrical protection and sources this…

SKU 3G-OTH-26280

Also listed as: FRSR90 · FRS R 90

Brand
BUSSMANN
Item
Fuse: Class RK5, FRS-R Series, Time-Delay, 90 A, 600 V AC, 300 V DC
Category
Time-Delay Blade Fuses
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Local availability & support

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
FRS-R-90
Series
FRS-R
Type
FRS-R Series, Time-Delay, 90 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 FRS-R Series Fuse is a Class RK5, time-delay blade fuse rated at 90 A, 600 V AC and 300 V DC, non-indicating. 3G Electric interprets your demand for industrial electrical protection and sources this genuine BUSSMANN component across 14 departments, with specialist depth in controls to support your application.

Frequently Asked Questions

What is the BUSSMANN FRS-R-90 fuse used for?

The BUSSMANN FRS-R-90 is a Class RK5 time-delay fuse rated 90 A, 600 V AC, and 300 V DC. It protects motor circuits, transformers, and other inductive loads from short circuits and overloads. Its time-delay characteristic prevents nuisance opening during inrush currents, making it suitable for industrial equipment and panelboards.

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

The BUSSMANN FRS-R-90 is a Class RK5, time-delay, non-indicating blade fuse. It is rated 90 A, 600 V AC, and 300 V DC. It belongs to the FRS-R series and is manufactured under part number FRS-R-90. This fuse is designed for overcurrent protection in industrial power distribution systems.

Where to buy the BUSSMANN FRS-R-90 fuse worldwide?

3G Electric supplies the BUSSMANN FRS-R-90 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. We source and deliver genuine BUSSMANN components to support your operations.

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 (90 A for the FRS-R-90) to your circuit requirements. Ensure the Class RK5 time-delay characteristic suits your load's inrush profile. Consult the manufacturer's data sheet for interrupting rating and 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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Compatible alternatives & equivalents

Cross-referenced by specification & description
BUSSMANN Fuse: Class RK5, FRS-R Series, Time-Delay, 80 A, 600 V AC, 300 V DC, Non-Indicating (MPN FRS-R-80)
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BUSSMANN Fuse: Class RK5, FRS-R Series, Time-Delay, 80 A, 600 V AC, 300 V DC, Non-Indicating (MPN FRS-R-80)
BUSSMANN Fuse: Class RK5, FRS-R Series, Time-Delay, 300 A, 600 V AC, 300 V DC, Non-Indicating (MPN FRS-R-300)
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BUSSMANN Fuse: Class RK5, FRS-R Series, Time-Delay, 300 A, 600 V AC, 300 V DC, Non-Indicating (MPN FRS-R-300)
BUSSMANN Fuse: Class RK5, FRS-R Series, Time-Delay, 400 A, 600 V AC, 300 V DC, Non-Indicating (MPN FRS-R-400)
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BUSSMANN Fuse: Class RK5, FRS-R Series, Time-Delay, 400 A, 600 V AC, 300 V DC, Non-Indicating (MPN FRS-R-400)
BUSSMANN Fuse: Class RK5, FRS-R Series, Time-Delay, 70 A, 600 V AC, 300 V DC, Non-Indicating (MPN FRS-R-70)
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BUSSMANN Fuse: Class RK5, FRS-R Series, Time-Delay, 70 A, 600 V AC, 300 V DC, Non-Indicating (MPN FRS-R-70)
BUSSMANN Fuse: Class RK5, FRS-R Series, Time-Delay, 75 A, 600 V AC, 300 V DC, Non-Indicating (MPN FRS-R-75)
BUSSMANN
BUSSMANN Fuse: Class RK5, FRS-R Series, Time-Delay, 75 A, 600 V AC, 300 V DC, Non-Indicating (MPN FRS-R-75)
BUSSMANN Fuse: Class RK5, FRN-R Series, Time-Delay, 90 A, 250 V AC, 125 V DC, Non-Indicating (MPN FRN-R-90)
BUSSMANN
BUSSMANN Fuse: Class RK5, FRN-R Series, Time-Delay, 90 A, 250 V AC, 125 V DC, Non-Indicating (MPN FRN-R-90)

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BUSSMANN Fuse: Class RK5, FRS-R Series, Time-Delay, 150 A, 600 V AC, 300 V DC, Non-Indicating (MPN FRS-R-150)
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BUSSMANN Fuse: Class RK5, FRS-R Series, Time-Delay, 150 A, 600 V AC, 300 V DC, Non-Indicating (MPN FRS-R-150)
BUSSMANN Fuse: Class RK5, FRS-R Series, Time-Delay, 225 A, 600 V AC, 300 V DC, Non-Indicating (MPN FRS-R-225)
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BUSSMANN Fuse: Class RK5, FRS-R Series, Time-Delay, 225 A, 600 V AC, 300 V DC, Non-Indicating (MPN FRS-R-225)
BUSSMANN Fuse: Class RK5, FRN-R Series, Time-Delay, 100 A, 250 V AC, 125 V DC, Non-Indicating (MPN FRN-R-100)
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BUSSMANN Fuse: Class RK5, FRN-R Series, Time-Delay, 100 A, 250 V AC, 125 V DC, Non-Indicating (MPN FRN-R-100)
BUSSMANN Fuse: Class RK5, FRN-R Series, Time-Delay, 110 A, 250 V AC, 125 V DC, Non-Indicating (MPN FRN-R-110)
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BUSSMANN Fuse: Class RK5, FRN-R Series, Time-Delay, 110 A, 250 V AC, 125 V DC, Non-Indicating (MPN FRN-R-110)
BUSSMANN Fuse: Class RK5, FRN-R Series, Time-Delay, 300 A, 250 V AC, 250 V DC, Non-Indicating (MPN FRN-R-300)
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BUSSMANN Fuse: Class RK5, FRN-R Series, Time-Delay, 300 A, 250 V AC, 250 V DC, Non-Indicating (MPN FRN-R-300)
BUSSMANN Fuse: Class RK5, FRN-R Series, Time-Delay, 150 A, 250 V AC, 125 V DC, Non-Indicating (MPN FRN-R-150)
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BUSSMANN Fuse: Class RK5, FRN-R Series, Time-Delay, 150 A, 250 V AC, 125 V DC, Non-Indicating (MPN FRN-R-150)
BUSSMANN Fuse: Class RK5, FRS-R Series, Time-Delay, 450 A, 600 V AC, 300 V DC, Non-Indicating (MPN FRS-R-450)
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BUSSMANN Fuse: Class RK5, FRS-R Series, Time-Delay, 450 A, 600 V AC, 300 V DC, Non-Indicating (MPN FRS-R-450)
BUSSMANN Fuse: Class RK1, LPS-RK-SP Series, Time-Delay, 600 A, 600 V AC, 300 V DC, Non-Indicating (MPN LPS-RK-600SP)
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BUSSMANN Fuse: Class RK1, LPS-RK-SP Series, Time-Delay, 600 A, 600 V AC, 300 V DC, Non-Indicating (MPN LPS-RK-600SP)