Overview
The Hubbell HBL2515 is a heavy-duty Twist-Lock flanged inlet designed for industrial and commercial power distribution. This 20-ampere unit provides secure three-phase wye voltage connection at 120/208VAC with four poles and five wires including ground. Built with Insulgrip nylon housing and brass blade contacts, the HBL2515 delivers reliable performance in demanding electrical applications.
Key Features
- Back-wired termination design for rapid, tool-free installation
- Nylon Insulgrip housing resists corrosion and provides durability
- Brass contacts minimize arcing and ensure dependable electrical connection
- NEMA L21-20P standard configuration for universal compatibility
- Multiple-drive terminal screws (slotted, Phillips, Robertson) accommodate various tools
- Mounting screws and hardware included for immediate installation
Technical Specifications
- Amperage Rating: 20 Amperes
- Voltage Rating: 120/208VAC (3-Phase Wye)
- Poles/Wires: 4-Pole, 5-Wire Grounding
- NEMA Configuration: L21-20P
- Contact Material: Brass
- Housing Material: Nylon (Insulgrip)
- Terminal Type: Back-Wired Screw Terminal
- Wire Gauge Accommodation: #16 AWG to #8 AWG (solid or stranded copper)
- Operating Temperature: -40°C to +75°C continuous
- Mount Type: Flange (Screw Mounting)
- Color: White
Typical Applications
The HBL2515 is widely used in:
- Three-phase industrial machinery and equipment power feeds
- Temporary power distribution for job sites and events
- Backup generator systems and portable power systems
- Data centers and server room power infrastructure
- Welding and high-capacity tool applications
- HVAC and heating equipment installations
Compatibility & Replacements
Compatible With
- Hubbell Twist-Lock male connectors and cords rated for L21-20P
- Standard 120/208VAC three-phase wye electrical systems
- Industrial control panels and power distribution equipment
- Equipment requiring NEMA L21-20P female inlet connections
- Portable generator systems with matching L21-20P plugs
Replaces / Drop-In Replacement For
The HBL2515 serves as a direct replacement for damaged or worn Hubbell HBL2515 units. Verify compatibility with your original installation documentation to ensure matching voltage and phase configuration. Contact your system integrator or electrician for specific replacement verification before ordering.
Works With
- Hubbell Twist-Lock cordsets and power cords with L21-20P plugs
- Standard three-phase wye distribution systems (120/208VAC)
- Industrial electrical control systems and machinery
- Portable power equipment and generator cord sets
- Commercial and industrial electrical infrastructure meeting NEC standards
