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BUSSMANN Fuse: Class RK5, FRS-R Series, Time-Delay, 125 A, 600 V AC, 300 V DC - Time-Delay Blade Fuses
BUSSMANNTime-Delay Blade Fuses

BUSSMANN Fuse: Class RK5, FRS-R Series, Time-Delay, 125 A, 600 V AC, 300 V DC

The BUSSMANN FRS-R-125 is a Class RK5, time-delay blade fuse from the FRS-R Series, rated 125 A at 600 V AC and 300 V DC, non-indicating. 3G Electric interprets this demand and delivers the exact OEM part, backed by…

SKU 3G-OTH-26501

Also listed as: FRSR125 · FRS R 125

Brand
BUSSMANN
Item
Fuse: Class RK5, FRS-R Series, Time-Delay, 125 A, 600 V AC, 300 V DC
Category
Time-Delay Blade Fuses
Available to Order
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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-125
Series
FRS-R
Type
FRS-R Series, Time-Delay, 125 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-125 is a Class RK5, time-delay blade fuse from the FRS-R Series, rated 125 A at 600 V AC and 300 V DC, non-indicating. 3G Electric interprets this demand and delivers the exact OEM part, backed by specialist depth in electrical components across 14 industrial departments.

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-125 fuse used for?

The BUSSMANN FRS-R-125 is a Class RK5 time-delay fuse rated 125 A, 600 V AC / 300 V DC. It protects motors, transformers, and other inductive loads from short circuits and sustained overloads in industrial electrical panels and machinery.

What are the specifications of the BUSSMANN FRS-R-125 fuse?

The BUSSMANN FRS-R-125 is a non-indicating, time-delay blade fuse from the FRS-R series. It is rated 125 A, 600 V AC, 300 V DC, and is designed for Class RK5 applications. The manufacturer part number is FRS-R-125.

Where to buy BUSSMANN FRS-R-125 fuses worldwide?

3G Electric supplies the BUSSMANN FRS-R-125 fuse to customers worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your site. Contact us for a quote and lead time.

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

Select the BUSSMANN FRS-R fuse based on continuous current (125 A for this model), system voltage (600 V AC or 300 V DC), and the need for time-delay characteristics to handle inrush from motors. Always verify the interrupting rating matches your fault current.

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, 200 A, 600 V AC, 300 V DC, Non-Indicating (MPN FRS-R-200)
BUSSMANN
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, 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)
BUSSMANN
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, 600 A, 600 V AC, 300 V DC, Non-Indicating (MPN FRS-R-600)
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BUSSMANN Fuse: Class RK5, FRS-R Series, Time-Delay, 600 A, 600 V AC, 300 V DC, Non-Indicating (MPN FRS-R-600)
BUSSMANN Fuse: Class RK5, FRS-R Series, Time-Delay, 500 A, 600 V AC, 300 V DC, Non-Indicating (MPN FRS-R-500)
BUSSMANN
BUSSMANN Fuse: Class RK5, FRS-R Series, Time-Delay, 500 A, 600 V AC, 300 V DC, Non-Indicating (MPN FRS-R-500)
BUSSMANN Fuse: Class RK5, FRS-R Series, Time-Delay, 250 A, 600 V AC, 300 V DC, Non-Indicating (MPN FRS-R-250)
BUSSMANN
BUSSMANN Fuse: Class RK5, FRS-R Series, Time-Delay, 250 A, 600 V AC, 300 V DC, Non-Indicating (MPN FRS-R-250)

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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)