The Schneider Electric ATV312H037N4412 is a compact yet powerful variable frequency drive (VFD) from the Altivar 312 Solar series. With a 0.37 kW (0.5 HP) motor output capacity and a wide 380–500 V three-phase input range, this drive is ideal for energy-efficient control of pumps, fans, and conveyor systems—especially in solar-powered environments. Its integrated features ensure smooth motor operation, precise control, and robust protection.

Key Features:

• Model: ATV312H037N4412

• Brand: Schneider Electric (Altivar 312 Solar series)

• Rated Power: 0.37 kW / 0.5 HP (~1.5 kVA)

• Supply Voltage: 380–500 V AC, 3-phase (±5 %)

• Continuous Output Current: 1.5 A @ 4 kHz switching frequency; peak 2.3 A for up to 60 s

• Switching Frequency: Factory default 4 kHz; adjustable between 2–16 kHz

• Control Features:

– Vector control with auto-tuning, PI regulator, motor slip compensation

– Built-in PID function, DC injection braking, dynamic and regenerative braking with external resistor option

• Inputs/Outputs:

– Three analogue inputs (0–10 V, ±10 V, 0–20 mA) with 8 ms sampling

– Two analogue outputs (0–10 V, 0–20 mA) and two discrete relay outputs rated 2 A/250 V AC

• Communications: Built-in RJ45 supporting CANopen and Modbus (RS‑485)

• Built-in Protections: Covers over-/under-voltage, phase loss, overcurrent, short circuit, motor stall, overheating

• Certifications: Meets IEC 61800-5-1, EMC/EMI standards; CE & RoHS‑compliant; REACH declaration

• Installation Details: IP20 rated, mounted vertically (±10°), designed for ambient –10 °C to +60 °C without derating

• Physical Dimensions: Approx. 143 × 107 × 152 mm; weight 1.8 kg

Schneider Electric – ATV312H037N4412 – Altivar 312 Variable Speed Drive 0.37 kW

Schneider Electric – ATV312H037N4412 – Altivar 312 Variable Speed Drive 0.37 kW