AccuEnergy AcuRev 1312-5A-X0 : AcuRev 1312 multifunction power and energy meter with 5A or 1A field-configurable CT input; Modbus-RTU via RS485 port; Built-in Energy Pulse Output; Auto-Wiring Phase Check; SunSpec Compliance; Modbus-RTU; Real-time metering; TOU; No Relay Output Built-in.