Allen-Bradley 1771-OAD Overview The Allen-Bradley 1771-OAD is a 16-point digital output module for use in PLC-5 I/O systems. It is designed to control 120V AC loads and uses triac output circuits for reliable switching. Each output is individually fused to protect against overload and short-circuit conditions. Ideal for interfacing with pilot lights, solenoids, contactors, and relays. Key Features System: Allen-Bradley PLC-5 Output Type: Digital (triac) Voltage Rating: 120V AC Number of Outputs: 16 Output Protection: Individually fused LED indicators for each output point Suitable for resistive and inductive AC loads Terminal Base Required: 1771-WH, 1771-WN, or 1771-WD Technical Specifications Catalog Number: 1771-OAD Voltage Range: 85–138V AC Output Current: 0.5 A per point, 8 A max/module Type: Fused triac output Signal Delay: 0.5 ms ON / 1 ms OFF Isolation: 1500V AC (field to logic) Operating Temp: 0 to 60 °C (32 to 140 °F) Backplane Current: 155 mA Mounting: Standard PLC-5 chassis Certifications: UL, CE, CSA Applications Lighting and indicator control Solenoid and relay activation AC-powered actuator control Material handling and packaging systems Industrial automation panels using PLC-5 Why Choose the 1771-OAD? Reliable 120V AC triac output switching Individually fused points for enhanced protection Seamless integration into existing PLC-5 systems Clear status indication via onboard LEDs Designed for industrial-grade performance and longevity Order Now The Allen-Bradley 1771-OAD output module is available and ready for fast shipping.