Allen-Bradley 801-ASC25 Roller Lever Limit Switch

Description:

The Allen-Bradley 801-ASC25 Limit Switch is a general-purpose roller lever limit switch designed for reliable position sensing and machine control in industrial automation systems. It features a snap-action, spring-return mechanism with a Type 3 metal housing and Arrangement C contacts, making it suitable for heavy-duty industrial applications. Commonly installed on conveyors, machine tools, packaging equipment, material handling systems, and production machinery where precise mechanical position detection is required. Maintenance teams and system integrators use this limit switch for OEM replacement, machine repair, retrofit projects, and industrial automation maintenance.

Applications:

The Allen-Bradley 801-ASC25 is used to detect the position or travel limits of moving machinery in manufacturing, packaging, material handling, conveyor systems, machine tools, and automated production equipment. Its rugged roller lever actuator and snap-action contacts provide dependable switching for equipment interlocking, end-of-travel detection, and machine sequencing in demanding industrial environments.

Technical Specifications:

• Manufacturer: Allen-Bradley (Rockwell Automation)
• Part Number: 801-ASC25
• Product Type: General Purpose Limit Switch
• Series: Bulletin 801
• Actuator Type: Roller Lever
• Contact Action: Snap Action, Spring Return
• Contact Arrangement: Arrangement C
• Contact Configuration: 1 Normally Open (1 N.O.) + 1 Normally Closed (1 N.C.)
• Standard Duty Contact Rating: 6 A @ 120 VAC
• Light Duty Contact Rating: 3 A @ 120 VAC
• Maximum Rated Voltage: 600 VAC / 600 VDC
• Housing Style: Type 3 Metal Housing
• Housing Material: Metal
• Degree of Protection: NEMA Type 1
• Operating Force: 17.8 N (4 lb) Maximum
• Nominal Travel to Operate: 25°
• Minimum Overtravel: 30°
• Ambient Operating Temperature: 0°C to 40°C
• Features: Heavy-duty metal construction, roller lever actuator, snap-action switching, spring-return operation, and suitability for industrial position sensing and machine safety applications.

Common Replacements:

• Allen-Bradley 801-ASC25X
• Allen-Bradley 801-ASC26
• Allen-Bradley 801-ASN25