Bussmann Current Limiting Time Delay Fuse SC Series 30A 480VAC/300VDC Class G Rejection Style Ferrule End

Bussmann Current Limiting Time Delay Fuse SC Series 30A 480VAC/300VDC Class G Rejection Style Ferrule End

Professional-Grade Current Limiting Protection with Rejection Style Design

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, designed 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

• 30A Current Rating - Provides precise overcurrent protection for motor and control circuits with reliable fault clearing capability
• Current Limiting Technology - Reduces peak let-through current and energy, minimizing damage to downstream equipment and enhancing system protection
• Dual Voltage Rating - 480VAC/300VDC capability offers versatile protection for AC motor circuits and DC control applications
• High Interrupt Rating - 100 kAIC at 480VAC and 10 kAIC at 300VDC ensures reliable fault clearing in high-current applications

Safety & Standards Compliance

• Class G Rejection Style - Prevents installation of incorrect fuse types, ensuring proper circuit protection and NEC compliance
• Time Delay Characteristics - 12-second delay at 200% overload allows motor starting currents while protecting against sustained overloads
• RoHS Compliant Construction - Meets environmental standards for safe electrical installations and regulatory compliance

Technical Specifications

30A amperage rating, 480VAC/300VDC voltage rating, 100 kAIC interrupt rating at 480VAC, 10 kAIC at 300VDC, Class G rejection style design, ferrule end connections, 1.62" length x 0.41" diameter, 12-second time delay at 200% overload, current limiting technology, non-indicating design, 0.18 lb weight

Installation & Setup

1. Verify power is OFF and use proper lockout/tagout procedures before fuse installation or replacement
2. Confirm fuse holder is rated for Class G rejection style fuses and 30A current capacity
3. Check that circuit voltage does not exceed 480VAC or 300VDC rating and verify proper grounding
4. Insert fuse with ferrule ends fully seated in fuse holder contacts, ensuring secure mechanical connection
5. Verify rejection style design prevents installation of incorrect fuse types in the circuit
6. Test circuit operation and confirm proper overcurrent protection functionality per NEC requirements

Professional Applications

Ideal for:

• Motor Protection Circuits - 30A motors, pump controls, conveyor systems, and HVAC equipment requiring time delay protection
• Control Panel Applications - Industrial control circuits, automation systems, and process control equipment protection
• Lighting Circuit Protection - Commercial lighting panels, ballast protection, and electrical distribution systems
• Industrial Machinery - Manufacturing equipment, production lines, and automated systems requiring reliable overcurrent protection
• Commercial Buildings - Office buildings, retail facilities, and institutional electrical systems with motor loads
• Power Distribution - Electrical panels, switchgear, and distribution equipment in industrial and commercial facilities
• DC Control Circuits - Battery systems, DC motor controls, and electronic equipment requiring 300VDC protection
• Electrical Panels - Main panels, sub-panels, and distribution boards requiring Class G rejection style protection

Current Limiting Technology Advantage

Bussmann current limiting technology provides superior arc suppression and fault current reduction, minimizing equipment damage and enhancing electrical system safety. The rejection style design ensures proper fuse selection and prevents dangerous misapplication, while the time delay characteristics allow normal motor starting while protecting against sustained overloads and short circuits.

Why Choose Bussmann Quality?

Bussmann demonstrates unwavering commitment to electrical safety through rigorous testing, NEC compliance, and reliable overcurrent protection technology. Every SC Series fuse delivers consistent performance in professional electrical installations, providing the current limiting protection and rejection style safety that electrical contractors and facility managers trust for critical motor and control circuit applications.