1. Product Overview

2. Model Code Meaning

• MM: MOVIMOT decentralized drive

• 03: Rated motor power 0.37 kW

• D: D‑series (enhanced version over C‑series)

• 503: 3‑phase 380–500 V AC supply

• ‑00: Standard version (full model: MM03D‑503‑00)eero

• Part number: 18214991eero

3. Key Technical Data

3.1 Electrical

• Input: 3×380–500 V AC (±10%), 50/60 Hz

• Rated input current: 1.3 A

• Rated output power: 0.37 kW

• Rated output current: 1.6 A (higher than MM03C’s 1.3 A)eero

• Output frequency: 2–120 Hzeero

• Control: Vector (VFC) / U/f selectable

• I/O: 4 digital inputs / 2 digital outputs (programmable)

• Communication: RS‑485 (standard)

• Safety: Optional STO (Safe Torque Off)

• Brake: Integrated brake control (for SEW brake motors)

• Overload: 150% for 60 s, 175% for 2 s

3.2 Mechanical & Environmental

• Protection class: IP55 (IP66 optional for food & beverage)

• Cooling: Natural convection

• Dimensions (W×H×D): ~120 × 180 × 80 mm

• Weight: ~2.7 kg

• Operating temperature: ‑30 °C to +40 °C (wider than MM03C)

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

4. Main Features (vs. MM03C)

1. Higher output current: 1.6 A vs 1.3 A → better overload capabilityeero.

2. Wider ambient range: ‑30 °C cold start capable.

3. Improved thermal design: More robust heat sink, better for continuous duty.

4. 16 kHz PWM: Quieter operation, lower audible noise.

5. 4‑quadrant operation: Standard, supports motoring/regenerative modes.

6. Integrated EMC filter: Reduces external interference.

5. Typical Applications

• Conveyors (logistics, food, automotive)

• Packaging machines

• Material handling

• Fans/pumps (variable speed)

• General automation with decentralized drives

6. Installation & Wiring

6.1 Mechanical

• Mount directly on SEW motor flange (torque 3.0 Nm).

• Keep ventilation area clear; avoid heat sources.

6.2 Electrical

• Power: L1/L2/L3/PE → 380–500 V AC

• Motor: U/V/W/PE → shielded cable

• Control (X6): 24 V DC, direction, enable, fault

• RS‑485 (X50): For setup and networking

7. Commissioning (Simplified)

1. Check wiring and insulation.

2. Set DIP switches (address, brake mode, control mode).

3. Adjust potentiometers:

   • f1: Max frequency

   • f2: Min frequency

   • t1: Ramp time

4. Power on; green LED = ready.

5. Test run at low speed, then ramp up.

8. Status & Faults (3‑color LED)

• Green steady: Ready

• Green flash: Running

• Red flash: Fault (overcurrent, overvoltage, overtemperature, comms error)

• Yellow: Warning (e.g., overheat pre‑alarm)

9. Maintenance

• Clean heat sink every 6 months.

• Check terminal torque (0.8–1.5 Nm).

• Update firmware via MOVITOOLS®.