Overview
The Bussmann FNM-15 is a 15A/250VAC dual-element time-delay supplemental midget fuse designed for general purpose circuits, lighting protection, and meter circuits. The FNM-15 features a fiber body, melamine tube and nickel-plated brass end caps. This fuse is color-coded green for 250Vac maximum voltage rating and is ideal for circuits with high inrush currents.
Key Features
- Time-Delay (Slow-Blow) Design: Handles high inrush currents without false trips
- Dual-Element Construction: Non-indicating dual-element design with ferrule end connections
- Melamine Tube Body: Melamine tube construction with nickel-plated endcaps for durability and thermal performance
- Compact Midget Size: Dimensions 10.3mm x 38.1mm (13/32″ x 1-1/2″)
- Low-Cost Supplemental Protection: Supplemental protection for inductive circuits up to 250Vac
Technical Specifications
- Current Rating: 15A
- Voltage Rating: 250VAC
- Interrupt Rating: 35A at 250VAC, 10kA at 125VAC
- 10 kAIC (kiloamps interrupting capacity)
- Size (Metric): 10.3mm x 38.1mm
- Size (Imperial): 13/32″ x 1-1/2″
- Speed: Time-Delay / Slow-Blow
- Class: Midget / Class CC
- Body: Fiber with melamine tube
- Color: Green
- Terminal Type: Ferrule end x ferrule end
- UL Listed, Standard 248-14, Guide JDYX; CSA Certified, RoHS Compliant
Typical Applications
- Motor and transformer loads with high inrush currents
- Supplemental protection for inductive circuits
- General purpose electrical circuits
- Lighting circuit protection
- Meter circuits
- Industrial control panels and equipment
Compatibility & Replacements
Compatible With
- FNM series fuse holders and blocks (BMM 1-, 2-, and 3-pole blocks recommended)
- Standard 13/32″ x 1-1/2″ cartridge fuse holders
- 125VAC and 250VAC electrical systems
- Motor control circuits and inductive loads
Replaces / Drop-In Replacement For
- FNM-15 (exact equivalent)
- Fusetron FNM-15
- Cooper Bussmann FNM-15
- BP/FNM-15 (blister pack equivalent)
Works With
- Bussmann FNM Series supplemental fuse line
- UL Standard 248-14 compliant systems
- CSA Class 1422-01 certified applications
- RoHS-compliant electrical equipment
- Industrial motor control systems
- Power distribution and lighting circuits
