Reliance Electric 57412-E Field Regulator

The Reliance Electric 0-57412-E Field Regulator Module is an AutoMax field-regulator card designed to regulate field power within Reliance Electric’s AutoMax distributed control system (DCS). It mounts in an AutoMax rack, plugging into the backplane and exposing a field power module port and an isolated armature-volts port for direct field connections while keeping control circuitry isolated. The unit is powered by the AutoMax rack assembly (no external supply required) and features a 25‑pin gate connector labeled “To Field Gate Connector” for field interface connections. Key specifications include isolation between field and control circuits of 500–1500 V AC and a compact, rugged form factor weighing about 0.7 kg. Operating conditions span 0°C to 70°C with 5–95% non-condensing humidity, and storage ratings from -40°C to 85°C. Intended uses center on field regulation and voltage monitoring within industrial automation, delivering reliable regulation of field current and monitoring of field voltages in legacy AutoMax installations and similar control architectures.