Bussmann LPJ-250SP Low-Peak Class J Fuse 250A 600V Dual-Element Time-Delay The Bussmann LPJ-250SP is a 250-amp, dual-element, time-delay fuse designed to provide superior protection in industrial and commercial electrical systems. With a voltage rating of 600 V AC and 300 V DC, this Class J fuse offers a high interrupting capacity, ensuring reliable performance in demanding applications. Key Features Dual-Element Design: Incorporates separate elements for overload and short-circuit protection, allowing for temporary inrush currents without nuisance tripping. Time-Delay Functionality: Provides a minimum 10-second delay at 500% of rated current, accommodating temporary overloads such as motor startups or transformer energizing. High Interrupting Rating: Capable of interrupting up to 300,000 amperes at 600 V AC and 100,000 amperes at 300 V DC, ensuring safe operation under fault conditions. Current-Limiting Capability: Reduces the magnitude and duration of fault currents, minimizing potential damage to electrical systems and connected equipment. Compact Size: The fuse’s dimensions of approximately 2.11 inches in diameter and 7.13 inches in length allow for space-saving installations in equipment downsizing scenarios. Applications The LPJ-250SP fuse is ideal for use in various applications, including: Power panelboards Branch circuit breaker panelboard mains Machinery disconnects Industrial control systems Standards and Certifications This fuse meets several industry standards and certifications, such as: UL Listed (Guide No. JDDZ, File No. E4273) CSA Certified (Class 1422-02, File No. 53787) CE Marked RoHS Compliant These certifications ensure the LPJ-250SP fuse’s compliance with safety and performance requirements, making it a reliable choice for protecting electrical systems against overloads and short circuits.