Bussmann Current Limiting Time Delay Fuse SC Series 20A 600VAC/170VDC Class G Ferrule End Rejection Style

Bussmann Current Limiting Time Delay Fuse SC Series 20A 600VAC/170VDC Class G Ferrule End Rejection Style

Professional-Grade Current Limiting Circuit Protection with Rejection Style Safety

The Bussmann SC Series Current Limiting Time Delay Fuse delivers superior electrical protection and circuit safety for motor circuits, control panels, and industrial applications. This Class G current limiting fuse features rejection style design with 12 second time delay at 200% overload, engineered for electrical contractors, industrial facilities, and commercial installations, providing the reliable overcurrent protection and industry-leading safety that electrical professionals demand.

Professional Features & Benefits

Current Limiting Protection

• 20 Ampere Rating - Precise overcurrent protection for motor and control circuits with reliable fault clearing capability
• Current Limiting Technology - Reduces available fault current to protect downstream equipment and minimize arc flash hazards
• Time Delay Characteristics - 12 second delay at 200% overload allows motor starting currents while protecting against sustained overloads
• Dual Voltage Rating - 600VAC/170VDC operation provides versatility for AC and DC circuit protection applications

Safety & Standards Compliance

• Class G Fuse Classification - UL listed design ensures NEC compliance and electrical safety standards for professional installations
• Rejection Style Design - Prevents incorrect fuse installation and ensures proper amperage rating protection in electrical panels
• 100 kAIC Interrupt Rating - High fault current interrupting capacity at 600VAC provides robust short circuit protection

Technical Specifications

20 ampere current rating, 600VAC/170VDC voltage rating, 100 kAIC interrupt rating at 600VAC, Class G fuse classification, ferrule end connections, 12 second time delay at 200% overload, rejection style design, 1.375" length x 0.375" diameter, 0.016 lb weight, CE marked compliance, non-indicating design for standard electrical panel installations.

Installation & Setup

1. Verify electrical panel is de-energized and follow lockout/tagout procedures for safe fuse installation
2. Confirm fuse holder accepts Class G rejection style fuses and matches 20A rating requirements
3. Insert fuse with ferrule ends fully seated in fuse clips ensuring proper electrical connection
4. Verify rejection style design prevents installation of incorrect amperage fuses in the same holder
5. Test circuit operation and confirm proper overcurrent protection functionality
6. Document fuse installation with amperage rating and Class G designation for maintenance records

Professional Applications

Ideal for:

• Motor Protection Circuits - Time delay characteristics accommodate motor starting currents while protecting against overloads
• Control Panel Applications - Current limiting design protects sensitive control equipment and reduces arc flash hazards
• Industrial Machinery - Robust 100 kAIC interrupt rating handles high fault currents in industrial electrical systems
• Commercial Building Systems - Class G rating ensures NEC compliance for commercial electrical installations
• Power Distribution Panels - Rejection style design prevents incorrect fuse installation in electrical distribution equipment
• Lighting Control Circuits - Dual voltage rating accommodates both AC and DC lighting control applications
• HVAC Equipment Protection - Time delay operation protects heating and cooling equipment motors from nuisance tripping
• Process Control Systems - Current limiting technology protects expensive process control equipment from fault damage

Current Limiting Technology Advantage

Bussmann current limiting technology reduces available fault current during short circuit conditions, protecting downstream equipment and reducing arc flash incident energy. The SC Series design provides selective coordination with upstream protective devices while ensuring fast fault clearing to minimize equipment damage and enhance electrical system safety.

Why Choose Bussmann Quality?

Bussmann demonstrates unwavering commitment to UL listing, NEC compliance, and reliable overcurrent protection for professional electrical installations. The SC Series combines current limiting technology with rejection style safety features, ensuring proper fuse selection and installation while providing superior circuit protection for industrial and commercial electrical systems.