Bussmann Time Delay Fuse LPJ Series 15A 600VAC/300VDC Class J Current Limiting Dual Element Ferrule End
Professional-Grade Low-Peak Current Limiting Electrical Protection
The Bussmann Time Delay Fuse LPJ Series delivers superior electrical protection and circuit safety for motor circuits, control panels, and industrial applications. This Class J time delay fuse features dual element current-limiting technology 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
- Low-Peak Current Limiting Technology - Reduces fault current to safe levels while providing selective coordination
- Dual Element Design - Time delay on overloads, fast acting on short circuits for comprehensive motor protection
- 100 kAIC Interrupt Rating at 300VDC - Handles high fault currents safely in demanding electrical applications
- 10 Second Time Delay at 500% - Allows motor starting currents while protecting against sustained overloads
Safety & Standards Compliance
- Class J Rejection Feature - Prevents installation of non-current limiting fuses for enhanced electrical safety
- CE Marked Certification - Meets international electrical safety standards for global installations
- Non-Indicating Design - Reliable operation without visual indication for standard electrical panel applications
Technical Specifications
15 ampere rating, 600VAC/300VDC voltage rating, 100 kAIC interrupt rating at 300VDC, Class J current limiting design, dual element construction, ferrule end connections, 2 inch height x 2 inch width x 2.25 inch length, 0.19 lb weight, 10 second time delay at 500% rated current, non-indicating operation.
Installation & Setup
- Turn off power and verify zero energy state using proper lockout/tagout procedures
- Remove existing fuse using appropriate fuse pullers to ensure safe handling
- Inspect fuse holder for proper contact alignment and clean connections
- Install new LPJ fuse ensuring ferrule ends are fully seated in fuse clips
- Verify proper fuse class and amperage rating matches circuit requirements
- Restore power and test circuit operation following NEC guidelines
Professional Applications
Ideal for:
- Motor Protection Circuits - HVAC motors, pump motors, conveyor systems, and industrial machinery
- Control Panel Applications - Motor control centers, variable frequency drives, and automation systems
- Lighting Circuit Protection - Commercial lighting panels, emergency lighting, and exterior lighting systems
- Transformer Secondary Protection - Distribution transformers, control transformers, and isolation transformers
- Industrial Machinery - Manufacturing equipment, processing machinery, and production line protection
- Commercial Buildings - Office buildings, retail facilities, and institutional electrical systems
- Power Distribution Panels - Main distribution panels, sub-panels, and electrical switchgear
- HVAC System Protection - Air handling units, chillers, boilers, and building automation systems
Low-Peak Current Limiting Advantage
Bussmann Low-Peak technology provides superior current limitation compared to standard fuses, reducing let-through energy and protecting downstream equipment from damaging fault currents. The dual element design combines time delay characteristics for motor starting with fast acting protection against short circuits, ensuring optimal selective coordination in electrical distribution systems.
Why Choose Bussmann Quality?
Bussmann demonstrates unwavering commitment to electrical safety through rigorous testing, CE marking compliance, and Class J rejection features that prevent improper fuse installation. Our current limiting technology and dual element design provide reliable overcurrent protection for professional electrical installations, ensuring electrical system reliability and worker safety in industrial and commercial applications.
Manufacturer Resources
Product Specs
- Amperage Rating:
- 15 A
- Class:
- Class J
- Compliances:
- CE Marked
- Connection:
- Ferrule end x ferrule end
- Fuse Indicator:
- Non-indicating
- Fuse Type:
- Time delay
- Interrupt Rating:
- 100 kAIC Vdc
- Number Of Elements:
- Dual
- Packaging Type:
- Standard
- Product Height:
- 2 in
- Product Length Depth:
- 2.25 in
- Product Weight:
- .19 lb
- Product Width:
- 2 in
- Response Time:
- 10 sec at 500%
- Voltage Rating:
- 600 Vac, 300 Vdc
- Product Type:
- Time Delay Fuses
- Product Group:
- Fuses
- Department:
- Electrical
- Product Subgroup:
- Time Delay Fuses