We ship worldwide — Singapore, Australia, Malaysia, Indonesia, Philippines, India, Middle East & more

3G Electric
RFQ CartGet a QuoteSign inSign up
BUSSMANN Fuse: Class RK5, FRN-R Series, Time-Delay, 7 A, 250 V AC, 125 V DC - Time-Delay Cylindrical Fuses
BUSSMANNTime-Delay Cylindrical Fuses

BUSSMANN Fuse: Class RK5, FRN-R Series, Time-Delay, 7 A, 250 V AC, 125 V DC

The BUSSMANN FRN-R-7 is a Class RK5, time-delay cylindrical fuse from the FRN-R Series, rated at 7 A, 250 V AC and 125 V DC, non-indicating. 3G Electric interprets this demand and sources the exact OEM part, backed…

SKU 3G-OTH-28845

Also listed as: FRNR7 · FRN R 7

Brand
BUSSMANN
Item
Fuse: Class RK5, FRN-R Series, Time-Delay, 7 A, 250 V AC, 125 V DC
Category
Time-Delay Cylindrical Fuses
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineerMessage via Telegram
No account needed — your quote request goes straight to our engineers. A free account lets you track quotes and re-order faster.
Worldwide Shipping
Air & sea freight
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

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
FRN-R-7
Series
FRN-R
Type
FRN-R Series, Time-Delay, 7 A, Non-Indicating
AC
250 V
DC
125 V

Technical Documents

No technical documents available for this product.
Request documentation →
Not sure this is the right part? Get a recommendation.

Need installation or engineering help?

Installation, commissioning, maintenance plans, system design, and bundled product + service quotes — one team handles the full scope.
Talk to an engineer

Ask a question

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

Product Description

The BUSSMANN FRN-R-7 is a Class RK5, time-delay cylindrical fuse from the FRN-R Series, rated at 7 A, 250 V AC and 125 V DC, non-indicating. 3G Electric interprets this demand and sources the exact OEM part, backed by specialist expertise in electrical components across 14 industrial departments.

Frequently Asked Questions

What is the BUSSMANN FRN-R-7 fuse used for?

The BUSSMANN FRN-R-7 is a Class RK5 time-delay cylindrical fuse rated 7 A, 250 V AC / 125 V DC. It protects motor circuits, transformers, and lighting systems from overcurrents while tolerating harmless inrush currents. Common in industrial control panels and distribution equipment.

What are the specifications of the BUSSMANN FRN-R-7 fuse?

The BUSSMANN FRN-R-7 is a Class RK5, time-delay, non-indicating fuse rated 7 A, 250 V AC and 125 V DC. It belongs to the FRN-R series and carries manufacturer part number FRN-R-7. The cylindrical body is designed for rejection-style fuse holders.

Where to buy BUSSMANN FRN-R-7 fuses worldwide?

3G Electric supplies the BUSSMANN FRN-R-7 fuse worldwide. As a global industrial distributor since 1990, we handle full logistics, customs clearance, and delivery to your site. Contact us for pricing and lead time on this FRN-R series time-delay fuse.

How to select the correct BUSSMANN FRN-R-7 fuse for a motor circuit?

Select the BUSSMANN FRN-R-7 for motor circuits requiring 7 A time-delay protection at up to 250 V AC. The FRN-R series provides Class RK5 performance with rejection-style mounting. Always verify the fuse's voltage rating matches your system and that the holder accepts RK5 fuses.

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.

You might also need

Burners & Combustion →Pumps & Compressors →Spare Parts →All Products →

Compatible alternatives & equivalents

Cross-referenced by specification & description
BUSSMANN Fuse: Class RK5, FRN-R Series, Time-Delay, 5 A, 250 V AC, 125 V DC, Non-Indicating (MPN FRN-R-5)
BUSSMANN
BUSSMANN Fuse: Class RK5, FRN-R Series, Time-Delay, 5 A, 250 V AC, 125 V DC, Non-Indicating (MPN FRN-R-5)
BUSSMANN Fuse: Class RK5, FRN-R Series, Time-Delay, 20 A, 250 V AC, 125 V DC, Non-Indicating (MPN FRN-R-20)
BUSSMANN
BUSSMANN Fuse: Class RK5, FRN-R Series, Time-Delay, 20 A, 250 V AC, 125 V DC, Non-Indicating (MPN FRN-R-20)
BUSSMANN Fuse: Class RK5, FRN-R Series, Time-Delay, 6.25 A, 250 V AC, 125 V DC, Non-Indicating (MPN FRN-R-6-1/4)
BUSSMANN
BUSSMANN Fuse: Class RK5, FRN-R Series, Time-Delay, 6.25 A, 250 V AC, 125 V DC, Non-Indicating (MPN FRN-R-6-1/4)
BUSSMANN Fuse: Class RK5, FRN-R Series, Time-Delay, 8 A, 250 V AC, 125 V DC, Non-Indicating (MPN FRN-R-8)
BUSSMANN
BUSSMANN Fuse: Class RK5, FRN-R Series, Time-Delay, 8 A, 250 V AC, 125 V DC, Non-Indicating (MPN FRN-R-8)
BUSSMANN Fuse: Class RK5, FRN-R Series, Time-Delay, 25 A, 250 V AC, 125 V DC, Non-Indicating (MPN FRN-R-25)
BUSSMANN
BUSSMANN Fuse: Class RK5, FRN-R Series, Time-Delay, 25 A, 250 V AC, 125 V DC, Non-Indicating (MPN FRN-R-25)
BUSSMANN Fuse: Class RK5, FRN-R Series, Time-Delay, 12 A, 250 V AC, 125 V DC, Non-Indicating (MPN FRN-R-12)
BUSSMANN
BUSSMANN Fuse: Class RK5, FRN-R Series, Time-Delay, 12 A, 250 V AC, 125 V DC, Non-Indicating (MPN FRN-R-12)

More from BUSSMANN

View all BUSSMANN parts →
BUSSMANN Fuse: FNM Series, Midget, Time-Delay, 2 A, 250 V AC, 13/32 in x 1 1/2 in, Non-Indicating (MPN FNM-2)
BUSSMANN
BUSSMANN Fuse: FNM Series, Midget, Time-Delay, 2 A, 250 V AC, 13/32 in x 1 1/2 in, Non-Indicating (MPN FNM-2)
Fuse: FNQ-R Series, Time-Delay, 1.3 A, 600 V AC, Non-Indicating, 13/32 in x 1 1/2 in (MPN FNQ-R-1-3/10)
BUSSMANN
Fuse: FNQ-R Series, Time-Delay, 1.3 A, 600 V AC, Non-Indicating, 13/32 in x 1 1/2 in (MPN FNQ-R-1-3/10)
BUSSMANN Fuse: Class RK5, FRN-R-ID Series, Time-Delay, 45 A, 250 V AC, 125 V DC, Indicating (MPN FRN-R-45ID)
BUSSMANN
BUSSMANN Fuse: Class RK5, FRN-R-ID Series, Time-Delay, 45 A, 250 V AC, 125 V DC, Indicating (MPN FRN-R-45ID)
BUSSMANN Fuse: FNQ Series, Midget, Time-Delay, 125 mA, 500 V AC, 13/32 in x 1 1/2 in, Non-Indicating (MPN FNQ-1/8)
BUSSMANN
BUSSMANN Fuse: FNQ Series, Midget, Time-Delay, 125 mA, 500 V AC, 13/32 in x 1 1/2 in, Non-Indicating (MPN FNQ-1/8)
BUSSMANN Fuse: Class RK5, FRN-R-ID Series, Time-Delay, 30 A, 250 V AC, 125 V DC, Indicating (MPN FRN-R-30ID)
BUSSMANN
BUSSMANN Fuse: Class RK5, FRN-R-ID Series, Time-Delay, 30 A, 250 V AC, 125 V DC, Indicating (MPN FRN-R-30ID)
BUSSMANN Fuse: FNM Series, Midget, Time-Delay, 30 A, 250 V AC, 13/32 in x 1 1/2 in, Non-Indicating (MPN FNM-30)
BUSSMANN
BUSSMANN Fuse: FNM Series, Midget, Time-Delay, 30 A, 250 V AC, 13/32 in x 1 1/2 in, Non-Indicating (MPN FNM-30)
BUSSMANN Fuse: S505 Series, Time-Delay, 800 mA, 250 V AC, Non-Indicating, 5 mm x 20 mm (MPN S505-800-R)
BUSSMANN
BUSSMANN Fuse: S505 Series, Time-Delay, 800 mA, 250 V AC, Non-Indicating, 5 mm x 20 mm (MPN S505-800-R)
BUSSMANN Fuse: MDL Series, Time-Delay, 3.2 A, 250 V AC, 1/4 in x 1 1/4 in (MPN MDL-3-2/10-R)
BUSSMANN
BUSSMANN Fuse: MDL Series, Time-Delay, 3.2 A, 250 V AC, 1/4 in x 1 1/4 in (MPN MDL-3-2/10-R)