Overview
The Allen-Bradley 803-F812P6 /B is a heavy-duty rotating cam limit switch from the Bulletin 803 product series. Rated for 600V AC maximum operation, this switch is engineered for industrial automation systems that require precise circuit control synchronized with rotating machinery. The “F” style designation indicates externally adjustable cams, making this switch suitable for applications demanding flexible dwell and timing settings without machine shutdown.
Key Features
- 600V AC maximum rated voltage for industrial control circuits
- Heavy-duty construction with rugged cast iron frame and steel base
- Style F cams allow external adjustments while machinery operates
- Snap action contacts for reliable, repeatable switching
- 8 independent cam circuits (12 total based on nomenclature)
- Bidirectional shaft rotation capability
- Type 1 general purpose enclosure protection
- Durable, proven design for repetitive cycle applications
Technical Specifications
- Maximum Voltage Rating: 600V AC
- Contact Type: Snap action, normally open/closed
- Maximum Shaft Speed: 150 RPM (typical for F-series)
- Circuits: 8 independent cam circuits
- Enclosure Type: NEMA Type 1
- Operating Temperature: -22°F to 150°F (-30°C to 66°C)
- Shaft Extension: Standard left or configurable
- Certifications: UL, CSA compatible
- Condition: Used
Typical Applications
- Punch presses and stamping machines
- Assembly and packaging machinery
- Metal forming and fabrication equipment
- Conveyor control systems
- Waterway gate and lock operations
- Injection molding machine cycles
- Repetitive industrial process automation
Compatibility & Replacements
The 803-F812P6 /B is part of the Allen-Bradley Bulletin 803 rotating cam switch family, which includes numerous variants (803-F612, 803-F812X, 803-P series, etc.). Exact replacement or compatibility should be verified by cam code, shaft extension direction, and voltage/amperage requirements. As a used unit, this switch offers excellent value for retrofit or replacement applications in existing Bulletin 803 installations. Contact our technical team to confirm compatibility with your specific control circuit and operating environment.










