31C300-503-4-00
Description
Model Code Explanation
31C: MOVITRAC 31C series, compact 4-quadrant drive
300: Rated power 30 kW, rated output current 61 A
503: 3-phase 380–500 V AC input, no built-in EMC filter
4: 4-quadrant operation with energy regeneration
00: Standard firmware, no STO and no fieldbus module
Technical Specifications
Input
Rated voltage: 3-phase AC 380–500 V (±10%)
Input frequency: 50 / 60 Hz (±10%)
Rated input current: 56 A @ 400 V
Output
Rated power: 30 kW (40 HP)
Rated output current: 61 A @ 400 V
Apparent power: 42 kVA
Frequency range: 0–400 Hz
Overload capacity: 150% rated current for 60 seconds; 180% rated current for 2 seconds
Control & Interfaces
Control modes: V/F open-loop control, sensorless vector control (SVC)
Digital I/O: 7 digital inputs, 2 digital outputs, 1 relay output
Analog I/O: 2 analog inputs, 2 analog outputs
Safety function: No STO
Protection: Overcurrent, overvoltage, undervoltage, overtemperature, earth fault and short circuit protection
Mechanical & Environmental Data
Protection class: IP20
Operating temperature: 0 °C to +45 °C
Storage temperature: -25 °C to +70 °C
Dimensions (W×H×D): 220 × 550 × 265 mm
Weight: 19 kg
Key Features
4-quadrant energy regeneration
Braking energy is recycled to the grid, which saves energy and removes the need for external brake resistors.
High power compact structure
Size 4 enclosure fits well in standard control cabinets for heavy-load applications.
Reliable motor control
Dual control modes ensure stable speed and torque output.
Comprehensive protection system
Multiple protection functions guarantee long-term and reliable operation in industrial sites.
Typical Applications
Related Models
31C300-503-4-05: 30 kW, 4-quadrant regenerative inverter with STO, no fieldbus
31C300-503-4-07: 30 kW, wide temperature version, no STO and no fieldbus
31C300-503-4-20: 30 kW, 4-quadrant regenerative inverter with PROFIBUS-DP, no STO
31C300-503-4-25: 30 kW, 4-quadrant regenerative inverter with PROFIBUS-DP and STO
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