Overview
The Hoffman E1PBA pushbutton enclosure is a sloped-front control station engineered for mounting 30.5mm pushbuttons and switches in industrial and commercial applications. Manufactured by nVent Hoffman, this enclosure delivers robust protection and accessibility for operator interfaces in demanding environments. The sloped front design provides ergonomic operator access while the sturdy steel construction ensures durability in harsh conditions.
Key Features
- Sloped front design — ergonomic control surface for operator comfort and visibility
- 14-gauge steel construction — continuously welded seams, ground smooth for durability
- Factory-stamped 4-way pushbutton holes — precision holes accommodate standard 30.5mm pushbuttons
- Oil-resistant gasket — protects against moisture and contaminants
- Internal detachable hinge — holds cover open during wiring for field installation ease
- Captivated cover screws — thread into sealed wells to prevent loss and corrosion
- External mounting brackets — simplifies wall or panel installation
- ANSI 61 gray polyester powder coat — chemical- and corrosion-resistant finish inside and out
Technical Specifications
- Material: 14-gauge steel
- Enclosure Dimensions: 7.25 × 6.25 × 6.75 inches (184 × 159 × 171 mm)
- Pushbutton Size: 30.5mm (also accommodates 22.5mm with appropriate adapter)
- Holes: Factory stamped 4-way configuration for 1 position
- Finish: ANSI 61 gray polyester powder coat (inside and outside)
- Gasket: Oil-resistant material
- Rating: Type 12, NEMA 13, IP65
- Bonding/Grounding: Bonding provision on cover; grounding stud on body
- Mounting: External wall-mounting brackets included
- CSA Certification: CSA File Number 42186; Type 12; CUL Listed per CSA C22.2
Typical Applications
The E1PBA enclosure is ideal for operator control stations in manufacturing, process automation, pump stations, conveyor systems, and HVAC applications. Its sloped front makes it suited for wall-mounted or panel-mounted installations where operator ergonomics are important. Common use includes emergency stop stations, mode selector switches, and multi-pushbutton control stations in industrial machinery and plant automation.
Compatibility & Replacements
The Hoffman E1PBA is part of the nVent Hoffman pushbutton enclosure family. It is directly compatible with all standard 30.5mm industrial pushbuttons, indicator lights, and selector switches from major manufacturers. For single-hole, flat-front enclosures, the E1PB model offers a comparable alternative. Upgrade or downgrade options include larger multi-hole configurations (E2PBA, E3PBA) for additional control functions. Always verify hole size and pushbutton spacing when selecting replacement or upgrade enclosures.
