Overview
The Hoffman E-9PB pushbutton enclosure is a compact, industrial-grade electrical enclosure designed to safely house and protect nine 30.5mm or 22.5mm oil-tight pushbuttons, selector switches, and pilot lights. Built by nVent HOFFMAN, a trusted leader in electrical enclosures, this Type 12 rated unit delivers robust protection against dust, dirt, oil, and moisture in demanding industrial and commercial control applications.
Key Features
- 14-gauge steel construction with gray polyester powder-coat finish for durability and corrosion resistance
- Factory-stamped 4-way pushbutton holes compatible with all brands of oil-tight pushbuttons and switches
- Continuously welded and ground smooth seams for superior protection and longevity
- Captivated cover screws that thread into sealed wells, preventing loss and ensuring secure closure
- Oil-resistant gasket provides environmental sealing for Type 12 and Type 13 protection
- Grounding stud on body and bonding provision on cover for electrical safety compliance
- UL 508A, cUL, and NEMA Type 12/13 certified – IEC 60529 IP65 rated
Technical Specifications
- Enclosure Type: Type 12, Type 13; NEMA/EEMAC rated
- Pushbutton Capacity: 9 holes for 30.5mm or 22.5mm pushbuttons
- Material: Steel, 14-gauge (ANSI 61 gray)
- Dimensions: Approximately 9.5″ H × 8.5″ W × 3″ D (standard configuration)
- Cover Type: Flat screw-on cover with factory-stamped 4-way holes
- Protection Rating: IEC 60529 IP65 (dust and water resistant)
- Certifications: UL 508A Listed (File No. E61997), cUL Listed per CSA C22.2 No. 94, NEMA Type 12/13
- Mounting: Surface mount with external welded-on brackets for easy installation
Typical Applications
- Machine tool control panels and operator interfaces
- Industrial motor starter and pump control stations
- Manufacturing process control and automation systems
- Hazardous duty environments requiring oil and moisture protection
- Commercial HVAC and facility management control stations
- Emergency stop and safety circuit pushbutton stations
Compatibility & Replacements
Compatible With
- All brands of oil-tight 30.5mm pushbuttons (IEC 60947-5-4 compliant)
- All brands of oil-tight 22.5mm pushbuttons and selector switches
- Pilot lights and indicator lamps (30.5mm and 22.5mm formats)
- Standard industrial control relay and contactor circuits
- 24 VDC and 120 VAC control systems
Replaces / Drop-In Replacement For
- Older HOFFMAN pushbutton enclosure models requiring 9-hole Type 12 configuration
- Generic or non-certified 30.5mm pushbutton housings lacking NEMA/UL ratings
Works With
- Any industrial PLC or logic controller with pushbutton input circuits
- Siemens SIRIUS pushbutton and switch products
- Allen-Bradley terminal and pilot device control systems
- Rockwell Automation control architectures
- Standard panel-mounting hardware and DIN-rail systems
