Yes. I bought this fuse to replace a blown fuse for my AC Condenser unit on the outside of my house. Make sure to select the right kind of fuse for your unit.

- What are the dimensions of this item?

You could check in this data spec from MFR: http://www1.cooperbussmann.com/pdf/03b0781f-c1af-45bc-9ff8-173386e60509.PDF

Bussmann Bp Frn R 20 20 Amp Fusetron Dual Element

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Fully operational. Shipping worldwide, on schedule.Duty & taxes paid at delivery

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$31.58

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Description

🛠️ Power up your protection with precision and peace of mind!

VERSATILE FIT - Grooved end cap fits Class H, K, or R fuse blocks—perfect for commercial and residential use.
BURNOUT BLOCKER - Protects motors from overload and single-phasing damage, extending equipment life.
SURGE PROOF STARTUP - Time-delay design lets motor surges pass without blowing, preventing false trips.
DUAL ELEMENT DEFENSE - Instant short-circuit response in 0.004 seconds for ultimate motor protection.
UL LISTED RELIABILITY - Class RK5 fuse meets rigorous UL, CE, and CSA standards for trusted performance.

The Bussmann BP/FRN-R-20 is a heavy-duty, dual-element time-delay cartridge fuse rated at 20 Amps and 250V. UL Listed Class RK5, it offers superior motor and panel protection by allowing startup surges while quickly interrupting dangerous overloads and short circuits. Designed for commercial, industrial, and residential applications, this fuse ensures reliable, long-lasting defense against motor burnout and electrical faults.

Specifications

ASIN	B00004WA2W
Best Sellers Rank	#45,324 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #49 in Cartridge Fuses
Brand Name	Bussmann
Color	No Color
Customer Reviews	4.8 4.8 out of 5 stars (234)
Global Trade Identification Number	00051712112024
Included Components	2 Fuses
Item Dimensions	5.5 x 2.75 x 0.56 inches
Item Type Name	Bussmann BP/FRN-R-20 20 Amp Fusetron Dual Element Time-Delay Current Limiting Class RK5 Fuse, 250V UL Listed (Pack of 2)
Manufacturer	Bussmann
Material Type	Plastic
Maximum Current	20 Amps
Model	BP/FRN-R-20
Mounting Type	Through-Hole Mount
Specification Met	CE, CSA, UL
UPC	051712112024
Unit Count	1.0 Count
Voltage	120 Volts
Warranty Description	Warranty

Reviews

R**A

Very nice product!

I bought these fuse ten years ago and finally had to replace them. Such a good inexpensive product that works very well.

11.08.2025

M**M

Works great with no issues

30.09.2025

U**N

Great price

Works 2 times expensive at hardware store

22.03.2026

O**R

Great product

Great product great price

18.01.2026

A**B

Easy to install

11.04.2026

S**T

The right 20A fuse ... But might be smaller than you think

Hard to find fuses for my classic AC compressor. Would be a 5 star review if they made the physical size of 2" very clear. Needed adapters to make it work for my home inspection

7.04.2021

K**C

Good brand fuse

Good fuses fit my application fine.

24.10.2025

S**D

Fit

26.10.2025

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TrustScore 4.5 | 7,300+ reviews

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