Bussmann FNM-2-1/2 Miniature Fusetron Cartridge Fuse

Bussmann FNM-2-1/2 Miniature Fusetron Cartridge Fuse

The Bussmann FNM-2-1/2 Miniature Fusetron Cartridge Fuse is a compact overcurrent protection device manufactured by Bussmann for use in electrical and electronic circuits where dependable fuse protection is required. Identified by its FNM-2-1/2 model designation, this miniature Fusetron-series fuse carries a 2-1/2 amp rating, making it well suited for protecting low-current circuits, control equipment, and instrumentation from damaging overcurrent conditions. As part of the Bussmann Fusetron line, the FNM-2-1/2 is built in the compact form factor associated with miniature fuse applications, allowing it to be installed in space-constrained fuse holders, terminal blocks, and equipment panels. Electricians, panel builders, and maintenance technicians rely on genuine Bussmann fuses such as the FNM-2-1/2 to restore proper overcurrent protection when replacing a blown fuse in equipment originally specified with this Fusetron miniature part. When sourcing a replacement, matching the exact FNM-2-1/2 part number helps confirm both the correct 2-1/2 amp rating and the correct Fusetron miniature fuse body style for the application.

Key Features

• Model Designation: The FNM-2-1/2 part number identifies this fuse as a member of the Bussmann Fusetron miniature fuse series.
• Amp Rating: Rated at 2-1/2 amps as reflected in the FNM-2-1/2 designation, sizing it for low-current circuit and control applications.
• Miniature Form Factor: Compact miniature-style fuse body designed to install in standard miniature fuse holders, clips, and blocks sized for this fuse class.
• Fusetron Series Construction: Carries the Fusetron trade name used by Bussmann to identify this family of fuses within its circuit protection lineup.
• Direct Replacement Part: Useful as a like-for-like replacement wherever an FNM-2-1/2 Bussmann Fusetron miniature fuse is specified.
• Circuit Protection Function: Functions as a sacrificial overcurrent protection element, opening the circuit when current exceeds its 2-1/2 amp rating to help protect downstream components.
• Bussmann Manufactured: Produced by Bussmann, a long-established manufacturer of fuses and circuit protection components for electrical and electronic equipment.

Technical Specifications

• Refer to manufacturer documentation for complete technical specifications.

Typical Applications

• Control Circuit and Relay Protection
• Electronic Equipment and Instrumentation Panels
• Low-Current Branch Circuit Protection
• Miniature Fuse Holders, Clips, and Terminal Blocks
• Maintenance Replacement for Bussmann FNM-2-1/2 Fusetron Fuses
• OEM Equipment Specifying the FNM-2-1/2 Part Number

Why Bussmann?

Bussmann has long been recognized in the circuit protection industry, and the FNM-2-1/2 Miniature Fusetron fuse reflects that focus with dedicated Fusetron-series construction sized for 2-1/2 amp applications. Specifying a genuine Bussmann FNM-2-1/2 fuse helps ensure correct fit, form factor, and amp rating whenever equipment, panels, or control circuits call for this specific Fusetron miniature part. For technicians standardizing on Bussmann circuit protection products, the FNM-2-1/2 provides a consistent, traceable part number for the 2-1/2 amp Fusetron miniature fuse position. Stocking the correct Bussmann replacement, rather than a generic substitute, supports consistent performance in the equipment where the FNM-2-1/2 was originally specified.