Product Overview
Fusetron FNM-2-1/2 Time-Delay 2.5A 250V Midget Fuse – Unused NOS
This time-delay midget fuse supports supplemental protection in circuits that experience temporary overloads or inrush currents, offering a stable option for maintaining industrial or commercial electrical assemblies. Its compact 13/32 in / 1-1/2 in profile integrates easily into common midget holders used in equipment maintenance and panel work.
Product Condition
Unused, New Old Stock.
Product Overview
The Bussmann Fusetron FNM-2-1/2 is a 2.5A, 250V AC dual-element time-delay fuse designed for systems requiring tolerance to startup surges. It supports equipment such as motors, transformers, and general-purpose circuits where a brief overload should not cause nuisance opening. The fuse’s nickel-plated bronze endcaps and green identification markings reflect the standard features of the Fusetron family.
Key Features
- 2.5 A rating with 250 VAC maximum
- Time-delay, dual-element operation
- Midget size: approx. 13/32 in diameter and 1-1/2 in length
- Interrupting rating: 100 A at 250 VAC
- 10,000 A interrupting rating at 125 VAC
- Nickel-plated bronze endcaps
- Green color identification
- Non-indicating, non-rejection type
- UL 248-14 and CSA certified
Applications
- Industrial machinery requiring supplemental protection
- General-purpose circuits
- Lighting and meter circuits
- Inductive loads including motors
- Transformer-based applications
- Commercial and industrial electrical equipment
Frequently Asked Questions
What type of fuse is the FNM-2-1/2?
It is a time-delay, dual-element midget fuse designed for supplemental protection where temporary overloads occur.
Where is this fuse typically installed?
It fits midget fuse holders used in machinery, lighting, meters, and general-purpose circuits.
Does this fuse support inrush current?
Yes, its time-delay design allows brief overloads from motors and transformers without nuisance opening.
Is this fuse color coded?
Yes, it uses the green Fusetron identification marking for easy reference during replacement.
You can pair its inductive load support with the time-delay dual-element design when placing it into a midget holder inside your machinery panel.
