Overview
The Allen-Bradley 802M-HZY12 Series A Limit Switch is a factory-sealed, pre-wired heavy-duty position sensor built for demanding industrial automation and control applications. Part of Allen-Bradley’s Bulletin 802M family, the 802M-HZY12 combines reliable mechanical actuation with sealed electrical contacts to protect against environmental contamination in wet and wash-down environments.
Key Features
- Factory Sealed Design: Pre-wired and factory sealed to prevent moisture and contaminant ingress
- Lever-Type Operation: Spring-return mechanism with adjustable actuation point for precision position sensing
- NEMA Enclosure Compliance: Meets requirements for NEMA 1, 4, 6P, and 13 enclosures
- Robust Construction: Heavy-duty industrial-grade housing designed for long service life
- Pre-Wired with Cable: Includes integral conductor cable for immediate field deployment
Technical Specifications
- Product Family: Bulletin 802M Factory Sealed Limit Switches
- Actuator Type: Lever with Spring Return
- Circuit Configuration: 2-Circuit or 4-Circuit (contact arrangement varies by configuration)
- Cable Type: #16 AWG Conductor, Pre-Wired at Factory
- Ambient Temperature Range: 0 to +40°C (+32 to +104°F)
- NEMA Ratings: NEMA 1, 4, 6P, 13
- Enclosure Protection: Factory sealed against wash-down and wet environments
Typical Applications
- Wet environments and wash-down areas in food processing and beverage facilities
- Machine tool position detection and end-of-travel safety stops
- Conveyor systems and material handling equipment
- Chemical processing and pharmaceutical manufacturing
- Any industrial automation system requiring sealed position sensing in corrosive or humid conditions
Compatibility & Replacements
Compatible With
- Industrial control relay circuits and contactors
- Programmable Logic Controllers (PLCs) with digital input modules
- Motor starters and variable frequency drives (VFD)
- Safety-rated control systems using 24 VDC circuits
- Any standard electrical control circuit rated for the switch’s contact ratings
Replaces / Drop-In Replacement For
- Other 802M Series lever-type configurations with equivalent circuit and cable specifications
- Verify exact configuration (2-circuit vs. 4-circuit) with your system integrator before ordering
Works With
- Standard AC/DC control circuits per NEMA ICS standards
- Rockwell ControlLogix and CompactLogix PLCs via discrete digital inputs
- Any industrial control platform accepting standard discrete position inputs
- Pre-wired connectors and mounting foot adapters (such as Rockwell part 54971)












