Overview
The Wiegmann B-040403CH is a JIC-style electrical enclosure manufactured by Hubbell’s Wiegmann division. This carbon steel unit meets NEMA 12/13 ratings and is designed for wall mounting in industrial, automotive, and electrical control applications. The 4″x4″x3″ form factor provides 48 cubic inches of usable space for component mounting, terminal blocks, and wiring.
Key Features
- NEMA 12/13 rated — Provides protection where equipment is hosed down, very wet or in outdoor applications
- Continuous hinge cover design — Chain-secured lift-off cover safeguards components against exposure to dust, dirt, oil and water
- Durable construction — Bodies fabricated from 14 gauge and doors fabricated from 16 gauge steel with continuously welded seams ground smooth
- Sealed gasket — Lids sealed with closed cell oil resistant neoprene gasket
- Quick access — External mounting plates and external screw clamps are quick and easy to operate
- Industry standard — The B Series JIC box is a standard of the automotive industry but has wide applications in other industries
Technical Specifications
- Width: 4 inches
- Height: 4 inches
- Depth: 3 inches
- Capacity: 48 cubic inches
- Material: Carbon steel
- NEMA Rating: NEMA 12/13
- Cover Type: Continuous hinge (lift-off)
- Gauge: 14 gauge body, 16 gauge door
- Gasket: Closed cell oil resistant neoprene
- Mounting: Wall mount with external plates
- Finish: Polyester powder coated gray
- Closure: Screw clamps and chain
Typical Applications
Designed for use as instrument housings, electrical control enclosures, terminal wiring boxes or electrical junction boxes. Common uses include automotive control systems, machinery controls, test equipment housings, and outdoor electrical installations where water and contaminant ingress must be prevented.
Compatibility & Replacements
Compatible With
- NEMA 12/13 rated electrical systems
- DIN rail mounted control components
- Automotive J1211 standard wiring enclosures
- Industrial terminal blocks and junction equipment
- Polyester powder-coat finish systems (standard industrial)
Replaces / Drop-In Replacement For
Verify exact model compatibility with your system integrator before ordering. The B-040403CH is part of the B Series JIC family; similar-sized alternatives in the Wiegmann line include the N12 lift-off models (B040403) and N4 continuous hinge variants (BN4040403CH and BN4040403SS in stainless steel).
Works With
- Standard industrial mounting hardware (M6/M8 fasteners)
- Polyurethane and neoprene gasket seals
- Industrial terminal block assemblies
- Standard electrical wiring and grounding provisions
