Overview
The Hubbell Wiegmann B121206CH is a robust NEMA 12 continuous hinge enclosure designed for electrical junction boxes, terminal wiring boxes, and instrument housings. This steel construction unit measures 12″H × 12″W × 6″D and delivers industrial-grade protection for electrical equipment in manufacturing, control systems, and facility installations.
Key Features
- NEMA 12 rating—protection from dust, dirt, oil, and water
- Continuous hinge design with external screw clamps for quick access
- 14-gauge steel body; 16-gauge steel door for durability
- Closed-cell neoprene gasket seal prevents oil and moisture intrusion
- Continuously welded seams ground smooth; minimal knockouts
- External mounting plates (top and bottom) with weldnuts for optional back panels
- Gray polyester powder-coat finish
- Grounding provisions included
Technical Specifications
- Part Number: B121206CH
- Brand: Wiegmann (Hubbell)
- NEMA Rating: NEMA 12/13
- Exterior Dimensions: 12″H × 12″W × 6″D
- Panel Dimensions: 10.88″H × 10.88″W
- Internal Capacity: 864 cubic inches
- Material: Carbon steel
- Body Gauge: 14 gauge
- Door Gauge: 16 gauge
- Finish: Gray polyester powder coat
- Hinge Type: Standard continuous hinge (non-reversing)
- Mounting: Wall mount with external mounting plates
- Gasket: Closed-cell oil-resistant neoprene
- Fasteners: External screw clamps
- Certifications: UL listed (File No. E6924), CSA (File No. LL66078)
- Country of Origin: Mexico
Typical Applications
- Industrial control panel installations
- Electrical terminal wiring enclosures
- Machine control and automation systems
- Equipment protection in manufacturing facilities
- Instrument housings in light industrial environments
- Wall-mounted junction boxes for electrical distribution
- Environments with exposure to dust, moisture, and light oils
Compatibility & Replacements
Compatible With
- Standard DIN-rail mounted automation components
- Thermal management and heat dissipation systems
- Industrial control circuits and wiring harnesses
- Auxiliary equipment mounted to external back panels
- Standard electrical accessories with weldnut mounting
Replaces / Drop-In Replacement For
The Hubbell Wiegmann B121206CH serves as a direct replacement for other discontinued or equivalent NEMA 12 continuous-hinge enclosures in the same 12″×12″×6″ size class. Verify compatibility with your system integrator or facility maintenance team before ordering.
Works With
- NEMA 12/13-rated electrical components and breakers
- Industrial control relays and terminal blocks
- Wall-mounted disconnect switches
- Cable glands and conduit connectors (via knockouts or drilling)
- Thermal overload protection and monitoring devices


























