Overview
The Allen-Bradley 800H-2HX7 /M is a complete assembled NEMA 7-9 hazardous location push button station designed for Class I Division 1 and Class II hazardous areas. This two-button control station features sealed construction to withstand explosive gas and dust atmospheres, making it ideal for petrochemical facilities, grain handling, powder processing, and other regulated industrial environments requiring positive operator control with safety certification.
Key Features
- NEMA 7 & 9 Rating: Certified for Class I Division 1 and Class II explosive atmospheres
- Two Momentary Buttons: Dual push buttons with no-legend black actuators and lever-type design for positive engagement
- Sealed Enclosure: Fully sealed base with 3/4-inch dead-end conduit entry prevents ingress of hazardous materials
- Corrosion-Resistant Construction: Durable materials withstand chemical splash and moisture exposure
- Anti-Turn Locking Bracket: Prevents operator loosening and knurled mounting rings provide secondary securing method
- Field Assembly Compatible: Supports field installation of additional contact blocks and sealing options
Technical Specifications
- Catalog Number: 800H-2HX7 /M (Series M variant)
- Configuration: Two push buttons, momentary contacts
- Actuator Type: Lever-type, no legend marking
- Contact Rating (800T-XA blocks): Maximum 5 A continuous current
- Weight: 2.9 lbs maximum
- Enclosure Rating: NEMA 7 (Class I Division 1) and NEMA 9 (Class II Hazardous Dust)
- Conduit Entry: 3/4-inch dead-end sealed fitting (standard)
- Operating Temperature: -20°C to 70°C (industrial rated)
- Certifications: UL Listed (E71673), CSA Certified
- Mounting Panel Thickness: Standard barrel suitable for panels up to 1 inch thick
Typical Applications
The 800H-2HX7 /M is specified for:
- Emergency stop stations in hazardous locations
- Pump and motor control in petrochemical plants
- Grain elevator and agricultural processing equipment
- Powder coating and pharmaceutical manufacturing environments
- Class I Group B and Class II Group E, F, G installations
- Maintenance and retrofit of existing sealed push button stations
Compatibility & Replacements
The 800H-2HX7 /M is part of the Allen-Bradley Bulletin 800H family of hazardous location push buttons and can accommodate field-installed contact blocks and sealing kits. Related models include the 800H-2HA7 (green/red legend variant) and 800H-1HA7 (single button). For sealed contact applications, the equivalent 800R-series models are available. Standard shallow and deep bases are interchangeable with appropriate covers. Always confirm contact block compatibility and hazardous location classification before installation.
