Bussman LPJ-400SP Low-Peak 400A 600V JTD-400 AJT400 LPJ400SP

Description:

The Bussman LPJ-400SP Low-Peak 400 A 600 V fuse is used in industrial electrical systems to protect circuits from overcurrent and short-circuit conditions, minimizing equipment damage and maintaining system safety. Commonly installed in motor control centers, panelboards, power distribution panels, and branch circuits supplying motors, drives, transformers, and heavy loads. Maintenance teams, electricians, and system integrators use this fuse for electrical system upgrades, overcurrent protection retrofits, load expansions, and replacement of failed or undersized protective devices.

Applications:

The Bussman LPJ-400SP Low-Peak fuse is commonly used to protect branch circuits for industrial motors, variable frequency drives, HVAC systems, compressors, heavy machinery, and power distribution components where reliable overcurrent protection is required to safeguard equipment and maintain uptime.

Technical Specifications:

• Manufacturer: Eaton / Bussmann
• Model / Part Number: LPJ-400SP
• Alternate Part Numbers: JTD-400, AJT400
• Product Type: Low-Peak Time-Delay Fuse
• Ampere Rating: 400 A
• Voltage Rating: 600 V AC
• Fuse Type: Low-Peak (time-delay) design
• Interrupting Rating: High interrupting capacity for industrial systems
• Mounting Style: Panel / fuse holder mount
• Application Environment: Industrial electrical distribution, motor circuits, and power protection
• Standards Compliance: Industrial fuse safety standards

Common Replacements:

• Littelfuse LPS-400SP Low-Peak Fuse
• Bussmann LPJ-400SP-2 Low-Peak Fuse (pack of 2 version)
• Cooper/Bussmann JTD-400 Time-Delay Fuse