Model Code Definition

• 3115A: Series (MOVITRAC 31A), frame size & power (18.5 kW), version A

• 403: 3‑phase 380–500 V AC input, no integrated EMC filter

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

• 00: Standard firmware, no fieldbus, no STO safety

Technical Specifications

Input

• Rated voltage: 3‑phase AC 380–500 V

• Frequency: 50 / 60 Hz

Output

• Rated power: 18.5 kW

• Rated current: 37 A

• Frequency range: 0–150 Hz

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

Control & Interfaces

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

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

• Analog I/O: 2 inputs / 2 outputs

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

Mechanical & Environmental

• Protection class: IP20

• Ambient temp: 0 °C to +45 °C (derate >40 °C)

• Storage temp: -25 °C to +70 °C

• Dimensions (W×H×D): approx. 250 × 430 × 220 mm

• Weight: approx. 24 kg

Key Features

1. Regenerative 4‑quadrant design

   Braking energy is recycled to the grid, reducing energy costs and eliminating external brake resistors. Simplifies system layout and lowers maintenance.
2. High dynamic performance

   Sensorless vector control delivers full torque at low speed and fast acceleration/deceleration/reversal. No encoder required.
3. Compact & robust

   IP20 enclosure, compact size, and comprehensive protections ensure reliability in harsh industrial environments.
4. Flexible expansion

   Add external EMC filter for Class C2 compliance; optional fieldbus modules (PROFINET, EtherNet/IP) enable network control.

Typical Applications

• Conveyors (especially downhill), cranes, hoists

• Mixers, extruders, industrial fans, pumps, compressors

• Material handling and automation systems requiring energy recovery

Related Models

• 3111A-403-4-00: 15 kW, 4‑quadrant regenerative

• 3115A-403-1-00: 18.5 kW, 3‑quadrant standard (no regeneration)

• 3122A-403-4-00: 22 kW, 4‑quadrant regenerative