Allen Bradley 8021-W1 Limit Switch Roller 8021W1

Description:

The Allen-Bradley 8021-W1 Roller Limit Switch is used in industrial automation systems for position detection and end-of-travel control. Commonly installed in conveyor systems, machine tools, packaging equipment, and automated production lines requiring reliable mechanical switching. Maintenance teams and system integrators use this part for repair, retrofit, and replacement to ensure consistent machine operation.

Applications:

The Allen-Bradley 8021-W1 limit switch is used in industrial environments where accurate and repeatable position sensing is required. It is commonly applied in conveyor systems for object detection, packaging and bottling lines for sequence control, machine tools for limit positioning, and material handling systems to prevent overtravel and protect equipment.

Technical Specifications:

• Brand: Allen-Bradley
• Part Number: 8021-W1
• Product Type: Roller Limit Switch
• Actuator Type: Roller lever
• Contact Configuration: 1 NO + 1 NC
• Switching Mechanism: Snap action
• Rated Operational Voltage: Up to 600 VAC
• Rated Current: Up to 10 A
• Enclosure Type: Industrial metal housing
• Protection Rating: NEMA Type 1, 3, 4, 6, 13
• Operating Temperature: -20°C to +85°C
• Mounting Type: Surface mounting
• Conduit Entry: 1/2" NPT

Common Replacements:

• Allen-Bradley 802T-AP Limit Switch
• Allen-Bradley 802T-AT Limit Switch
• Schneider Electric XCKJ10541 Limit Switch