Parameter Specification Brand & Range Schneider Electric - Altivar Machine ATV312 Product Type Variable Speed Drive (VSD) / Adjustable Frequency Drive (AFD) Rated Motor Power 0.37 kW Horsepower (HP) 0.5 HP Rated Output Current (Ihd) 1.1 A @ 400V Supply Voltage & Type 3-phase, 380...480 V AC (±10%) Supply Frequency 50/60 Hz (±5%) Output Voltage 0...Supply Voltage Output Frequency Range 0.1...599 Hz (default 0.5...400 Hz) Control Method Scalar Control (V/f), Fixed V/f, Quadratic V/f Starting Torque 150% of rated motor torque at 3 Hz Overload Capacity 150% of rated output current for 60 seconds Efficiency > 97% Switching Frequency Default 4 kHz (adjustable) Braking DC injection braking (standard) Communication Integrated Modbus (RS485) serial link Control Terminals • 3 Digital Inputs (24V logic, configurable) • 1 Analog Input (0-10V / 0-20mA, configurable) • 1 Relay Output (250V AC, 2A) Human-Machine Interface Integrated graphic display keypad (with potentiometer) Protection Features Motor overload, short circuit, ground fault, input phase loss, overvoltage, undervoltage, overheating, etc. Enclosure / IP Rating IP20 (For mounting inside a protected electrical enclosure) Mounting Panel Mount (on DIN rail or directly with screws) Ambient Temperature • Operation: -10°C to +50°C (40°C without derating) • Storage: -25°C to +70°C Relative Humidity < 95% (non-condensing) Pollution Degree 2 Overvoltage Category III Standards & Certifications CE, UL, cUL, RoHS compliant. Conforms to IEC/EN 61800-2, IEC/EN 61800-5-1. Dimensions (H x W x D) Approximately 135 x 68 x 121.5 mm (Varies, please check exact datasheet) Weight Approximately 0.7 kg