Model Code Explanation

• 31C: MOVITRAC 31C series, compact 4‑quadrant drive

• 220: Rated power 22 kW, rated output current 47 A

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

• 4: 4‑quadrant operation with brake chopper / energy regeneration

• 00: Standard firmware, no STO, no fieldbus

Technical Specifications

Input

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

• Frequency: 50 / 60 Hz (±10%)

• Rated input current: 39 A @ 400 V

Output

• Rated power: 22 kW (30 HP)

• Rated output current: 47 A @ 400 V

• Apparent power: 33 kVA

• Frequency range: 0–400 Hz

• Overload capacity: 150% / 60 s; 180% / 2 s

Control & Interfaces

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

• Digital I/O: 7DI / 2DO / 1 relay

• Analog I/O: 2AI / 2AO

• Safety: No STO

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

Mechanical & Environmental

• Protection class: IP20

• Operating temperature: 0 °C to +45 °C

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

• Dimensions (W×H×D): 220 × 405 × 264 mm

• Weight: 13 kg

Key Features

1. 4‑quadrant energy regeneration

   Recycles braking energy to grid, saves energy and eliminates external brake resistors.

2. 22 kW high‑power compact design

   Size 3 housing, ideal for high‑load applications with limited cabinet space.

3. Stable motor control

   Supports V/F and sensorless vector control for consistent speed/torque.

4. Comprehensive protection

   Built‑in safeguards for reliable operation in harsh industrial environments.

Typical Applications

• Conveyors (mining, logistics)

• Cranes & hoists

• Industrial fans & pumps

• General machinery requiring energy recovery

Related Models

• 31C220-503-4-05: 22 kW, with STO, no fieldbus

• 31C220-503-4-07: 22 kW, wide temp (‑20 °C), no STO/fieldbus

• 31C220-503-4-20: 22 kW, PROFIBUS‑DP, no STO

• 31C220-503-4-25: 22 kW, PROFIBUS‑DP + STO