Bussmann Time Delay Fuse LPJ Series 175A 600VAC/300VDC Class J Bolted Blade Current Limiting

Bussmann Time Delay Fuse LPJ Series 175A 600VAC/300VDC Class J Bolted Blade Current Limiting

Professional-Grade Low-Peak Current Limiting Protection

The Bussmann LPJ Series Time Delay Fuse delivers superior electrical protection and circuit safety for high-amperage industrial applications. This Class J current limiting fuse features Low-Peak technology with dual element construction designed for electrical contractors, industrial facilities, and commercial installations, providing the reliable overcurrent protection and industry-leading safety that electrical professionals demand for motor circuits and power distribution systems.

Professional Features & Benefits

Current Limiting Protection

• Low-Peak Current Limiting Technology - Reduces peak let-through current and energy for enhanced circuit protection and equipment safety
• 175A Amperage Rating - Handles high-current applications with precise overcurrent protection and reliable performance
• Dual Element Construction - Provides time delay characteristics for motor starting while offering fast response to short circuits
• 10 Second Time Delay at 500% - Allows temporary overloads while protecting against sustained overcurrent conditions

Safety & Standards Compliance

• Class J Fuse Classification - Meets NEC requirements for current limiting and provides rejection-type mounting for enhanced safety
• 100 kAIC VDC Interrupt Rating - Safely clears high fault currents in DC applications with reliable arc suppression
• CE Marked Certification - Ensures compliance with international electrical safety standards and quality requirements

Technical Specifications

175A amperage rating, 600VAC/300VDC voltage rating, 100 kAIC VDC interrupt rating, Class J current limiting design, bolted blade end connections, dual element time delay construction, 10 second response time at 500% rated current, non-indicating design, dimensions: 5.75" L x 0.81" W x 0.81" H, weight: 0.75 lb, Low-Peak current limiting technology.

Installation & Setup

1. Verify power is completely disconnected and use proper lockout/tagout procedures before installation
2. Confirm fuse holder is rated for Class J fuses and 175A current capacity
3. Install fuse with bolted blade ends securely fastened to proper torque specifications
4. Ensure rejection-type mounting prevents installation of non-current limiting fuses
5. Verify proper ventilation around fuse installation for heat dissipation
6. Test installation with appropriate electrical testing equipment before energizing circuit

Professional Applications

Ideal for:

• Motor Protection Circuits - Large motor starters, HVAC equipment, and industrial machinery requiring time delay characteristics
• Power Distribution Systems - Switchgear, panelboards, and electrical distribution equipment in commercial and industrial facilities
• Transformer Protection - Primary and secondary protection for power and control transformers
• Industrial Control Panels - Manufacturing equipment, process control systems, and automation applications
• Commercial Buildings - Electrical service equipment, lighting panels, and power distribution systems
• DC Power Systems - Battery systems, DC drives, and renewable energy applications requiring 300VDC protection
• Feeder Circuits - Branch circuit protection in electrical panels and distribution boards
• Equipment Protection - Sensitive electronic equipment requiring current limiting protection

Low-Peak Technology Advantage

Bussmann Low-Peak technology provides superior current limiting performance compared to standard fuses, significantly reducing peak let-through current and energy. This advanced design minimizes equipment damage during fault conditions, reduces arc flash hazards, and enables selective coordination in electrical systems. The dual element construction combines time delay for motor starting with fast short circuit protection.

Why Choose Bussmann Quality?

Bussmann demonstrates unwavering commitment to electrical safety through rigorous testing, CE marking compliance, and adherence to international electrical standards. Our Class J current limiting fuses provide reliable overcurrent protection, enhanced safety features, and proven performance in demanding industrial and commercial electrical installations, making them the trusted choice for electrical professionals worldwide.