Allen-Bradley 802X-A7W3 AB | Compact Limit Switch | Industrial Position Sensor

Product Overview

The ​Allen-Bradley 802X-A7W3​ is a compact, precision limit switch designed for industrial position sensing applications. Part of Rockwell Automation's 802X series, this switch provides reliable operation in space-constrained applications while maintaining the durability and performance expected from Allen-Bradley products. Featuring a compact form factor and versatile mounting options, it's ideal for machinery where space is limited but reliability is critical.

Key Features

• ​Compact Design​ - Space-efficient form factor for tight installations

• ​Precision Operation​ - Accurate and repeatable switching

• ​Durable Construction​ - Industrial-grade materials for long service life

• ​Multiple Actuator Options​ - Various operating head configurations available

• ​Easy Installation​ - Simple mounting and adjustment

• ​Reliable Performance​ - Consistent operation in industrial environments

Technical Specifications

Electrical Characteristics

Contact Specifications

• ​Contact Arrangement​ | 1NO + 1NC (Single Pole Double Throw)

• ​Rated Current​ | 10A AC/DC

• ​Rated Voltage​ | 600V AC / 300V DC maximum

• ​Contact Material​ | Silver alloy with gold plating

• ​Initial Contact Resistance​ | <50mΩ

Performance Data

• ​Operating Frequency​ | 1200 operations per hour maximum

• ​Contact Bounce​ | <5ms typical

• ​Insulation Resistance​ | >100MΩ at 500V DC

• ​Dielectric Strength​ | 1500V AC for 1 minute

Mechanical Specifications

Physical Dimensions

• ​Body Size​ | Compact design for space-limited applications

• ​Mounting Pattern​ | Standard industrial mounting configuration

• ​Actuator Travel​ | Precision movement with minimal overtravel

• ​Operating Force​ | Optimized for smooth operation

Construction Details

• ​Housing Material​ | High-strength thermoplastic composite

• ​Sealing​ | Environmental sealing for dust and moisture protection

• ​Actuator Mechanism​ | Precision-engineered for reliable operation

• ​Terminal Cover​ | Protective cover for electrical connections

Environmental Specifications

Operating Conditions

• ​Temperature Range​ | -25°C to +85°C operational

• ​Storage Temperature​ | -40°C to +85°C

• ​Humidity Range​ | 5% to 95% non-condensing

• ​Altitude​ | Up to 2000 meters without derating

Durability Features

• ​Vibration Resistance​ | 10-55Hz, 1.5mm amplitude

• ​Shock Resistance​ | 30G, 11ms duration

• ​Corrosion Resistance​ | Suitable for industrial environments

• ​UV Resistance​ | UV-stabilized materials

Applications

The 802X-A7W3 is ideal for:

• ​Machine Tools​ - Position limiting and interlocking

• ​Packaging Machinery​ - Component position verification

• ​Material Handling​ - Conveyor system position detection

• ​Automation Equipment​ - Robotic cell position sensing

• ​Textile Machinery​ - Thread break detection and positioning

• ​Printing Equipment​ - Paper path position monitoring

• ​Assembly Lines​ - Part presence verification

Installation & Configuration

Mounting Options

• ​Panel Mounting​ | Standard industrial mounting pattern

• ​Multiple Orientations​ | Various mounting positions supported

• ​Adjustment​ | Easy actuator position adjustment

• ​Alignment​ | Precise alignment features

Electrical Connection

• ​Terminal Type​ | Screw terminals for secure connections

• ​Wire Size​ | Accommodates standard industrial wire gauges

• ​Connection Access​ | Easy access for wiring

• ​Strain Relief​ | Built-in cable strain relief provision

Performance Comparison

Advantages Over Standard Switches

• ​Space Savings​ | 30-40% smaller than standard limit switches

• ​Weight Reduction​ | Lighter weight for easier installation

• ​Maintenance​ | Simplified maintenance and replacement

• ​Compatibility​ | Direct replacement for many existing applications

Why Choose Allen-Bradley 802X-A7W3?

• ​Space Efficiency​ | Compact design maximizes available space

• ​Reliability​ | Allen-Bradley quality and durability

• ​Versatility​ | Multiple actuator options available

• ​Easy Installation​ | Simplified mounting and wiring

• ​Cost-Effective​ | Competitive pricing with premium features

• ​Global Availability​ | Worldwide distribution and support