Model Code Explanation

• 31C: MOVITRAC 31C series, compact regenerative drive

• 008: Rated power 1.1 kW, rated output current 2.6 A

• 503: 3‑phase 380–500 VAC input, no built‑in EMC filter

• 4: 4‑quadrant operation (regenerative braking, energy feedback to grid)

• 01: V1 standard firmware (updated from 00 = V0), no fieldbus, no STO

Technical Specifications (Same as 31C008-503-4-00)

Input

• Voltage: 3‑phase AC 380–500 V (±10%)

• Frequency: 50/60 Hz (±10%)

• Rated input current: 2.3 A

Output

• Rated power: 1.1 kW

• Rated current: 2.6 A

• Apparent power: 1.9 kVA

• Frequency range: 0–400 Hz

• Overload capacity: 125% continuous; 150% for 60 s

Control & Interfaces

• Control modes: V/F open‑loop, sensorless vector (VFC)

• Digital I/O: 6 inputs / 2 outputs / 1 relay output

• Analog I/O: 2 inputs / 2 outputs

• Protection: Overcurrent, overvoltage, undervoltage, overtemperature, earth fault, short circuit

Mechanical & Environmental

• Protection class: IP20

• Operating temperature: 0 °C to +45 °C (derating above 40 °C)

• Storage temperature: −25 °C to +70 °C

• Dimensions (W×H×D): approx. 127 × 165 × 178 mm

• Weight: approx. 2.1 kg

Key Difference: 01 vs 00

• 00: V0 firmware (initial standard version)

• 01: V1 firmware (functionally compatible, bug fixes, minor default parameter adjustments)

Typical Applications