Reliance Electric 57C403 57403-G High Input Module

Reliance Electric AutoMax 57C403 (57403-G) is a 16‑channel, 115 V AC high‑power output module designed for Reliance AutoMax/DCS 5000 control systems. It provides sixteen independent outputs that switch line‑voltage loads directly from the PLC, enabling control of relays, contactors, heaters, and other 115 VAC devices from the AutoMax processor. The module is listed as 57C403 with the 57403‑G variant in various catalogs, and is documented in official AutoMax manuals as the 115 VAC High Power Output Module. Typical configurations place this module on an AutoMax IO rail within a rack, serving applications such as conveyor control, fans, pumps, and other equipment that require direct line‑voltage switching from the controller.