Bussmann Time Delay Midget Fuse FNM Series 8A 250V Dual Element Non-Indicating Ferrule End
Professional-Grade Compact Circuit Protection for Control and Lighting Applications
The Bussmann Time Delay Midget Fuse FNM Series delivers superior electrical protection and circuit safety for control circuits, lighting applications, and small motor protection. This compact midget fuse features dual element time-delay technology designed for electrical contractors, industrial facilities, and commercial installations, providing the reliable overcurrent protection and industry-leading safety that electrical professionals demand for space-constrained applications.
Professional Features & Benefits
Time Delay Protection
- Dual Element Design - Provides time delay characteristics to handle motor starting currents and temporary overloads while clearing short circuits quickly
- 8 Ampere Rating - Precise overcurrent protection for control circuits and small motor applications with reliable current limiting
- Compact Midget Size - Space-saving design ideal for control panels and tight electrical enclosures
- Ferrule End Connection - Secure connection method ensuring reliable electrical contact and easy installation
Safety & Standards Compliance
- 10 kAIC Interrupt Rating at 125VAC - High fault current clearing capability for safe circuit protection
- CE Marked Compliance - Meets European safety standards for international electrical installations
- Non-Indicating Design - Professional appearance with reliable operation indication through circuit testing
Technical Specifications
Amperage Rating: 8A, Voltage Rating: 250V, Interrupt Rating: 10 kAIC at 125VAC, Dimensions: 1.44" H x 0.39" W x 0.39" D, Weight: 0.2 lb, Element Type: Dual Element, Connection: Ferrule End x Ferrule End, Construction: Nickel-plated bronze endcap, Response: Time Delay characteristics for motor starting applications
Installation & Setup
- Turn off power and verify zero energy state using proper lockout/tagout procedures before fuse installation
- Select appropriate fuse holder rated for 250V and midget fuse dimensions
- Insert fuse into holder ensuring proper ferrule end contact with both terminals
- Verify secure mechanical connection and proper fuse seating in holder
- Test circuit operation and verify proper overcurrent protection functionality
- Document installation per NEC requirements and facility maintenance procedures
Professional Applications
Ideal for:
- Control Circuit Protection - Motor control circuits, relay circuits, and automation system protection
- Lighting Circuit Applications - Fluorescent lighting, LED driver protection, and commercial lighting systems
- Small Motor Protection - Fractional horsepower motors, fans, and pump motor circuits
- Instrumentation Circuits - Meter circuits, sensor power supplies, and measurement equipment protection
- Panel Board Applications - Control panel protection, distribution panel circuits, and electrical enclosure safety
- Commercial Building Systems - HVAC controls, building automation, and facility electrical protection
- Industrial Control Systems - PLC power supplies, drive circuits, and process control equipment
- Electrical Panel Protection - Branch circuit protection and electrical distribution safety
Dual Element Time Delay Advantage
Bussmann dual element technology provides superior selective coordination by allowing temporary overloads while quickly clearing dangerous short circuits. The time delay characteristics accommodate motor starting currents and inrush conditions, while the current limiting design reduces arc energy and protects downstream equipment from fault damage.
Why Choose Bussmann Quality?
Bussmann commitment to electrical safety includes rigorous testing, CE marking compliance, and reliable overcurrent protection for professional installations. The nickel-plated bronze construction ensures long-term reliability, while the compact midget design maximizes space efficiency in control panels and electrical enclosures, making it the trusted choice for electrical contractors and facility managers.
Manufacturer Resources
Product Specs
- Amperage Rating:
- 8:00 AM
- Compliances:
- CE Marked
- Connection:
- Ferrule end x ferrule end
- Fuse Indicator:
- Non-indicating
- Interrupt Rating:
- 10 kAIC at 125 Vac
- Material:
- Nickel-plated bronze endcap
- Number Of Elements:
- Dual
- Packaging Type:
- Standard
- Product Height:
- 1.44 in
- Product Length Depth:
- .39 in
- Product Weight:
- .2 lb
- Product Width:
- .39 in
- Voltage Rating:
- 250 V
- Department:
- Electrical