Overview
The Hubbell HBL2420SR is a heavy-duty twist-lock receptacle designed for industrial power distribution and control applications requiring reliable, secure electrical connections. As a NEMA L15-20R locking device with integrated safety-shroud protection, this receptacle prevents accidental contact and meets stringent industrial safety standards. The surface-mount configuration provides straightforward installation on equipment panels, machinery enclosures, and power distribution assemblies.
Key Features
- Twist-lock design with safety-shroud for personnel and equipment protection
- NEMA L15-20R connector configuration for standardized 3-phase compatibility
- Rated for 20 amperes at 250V AC, 3-phase delta service
- 3-pole, 4-wire grounding configuration for safe power transfer
- Screw-terminal connections for reliable, fixed installations
- Surface-mount flange design for stable, secure panel mounting
- Gray finish suitable for industrial control environments
Technical Specifications
The HBL2420SR combines robust construction with industry-standard electrical ratings, making it a dependable choice for machinery control, generator outlets, and three-phase industrial equipment.
Typical Applications
- Industrial machinery power distribution and control panels
- Generator output receptacles for backup power systems
- Three-phase motor control and equipment startup circuits
- Portable equipment and mobile power solutions
- Data center and facility-wide power distribution systems
- Heavy-duty outdoor and indoor industrial installations
Compatibility & Replacements
Compatible With
- NEMA L15-20P plugs and connectors
- Standard 3-phase 250V AC power systems
- Industrial control and machinery power distribution networks
- Generator outputs rated for L15-20R configuration
- Equipment with NEMA twist-lock receptacle mounting
Replaces / Drop-In Replacement For
The HBL2420SR is designed as a direct replacement for other NEMA L15-20R surface-mount twist-lock receptacles in similar industrial installations. Verify compatibility with your system integrator before ordering.
Works With
- NEMA L15-20P twist-lock plugs and connector assemblies
- Standard industrial 3-phase power cords and extension cables
- Machinery, generator, and UPS systems with L15-20R outputs
- Control systems requiring secure, coded power connections












