1. Type Designation Breakdown

• 31C = MOVITRAC 31C series (standard, EOL but spare parts available)

• 014 = Rated power 1.5 kW (1.4 kVA)

• 503 = Three‑phase 380–500 V AC

• 4 = 4‑quadrant (integrated brake chopper, brake resistor capable)

• 00 = Standard version

• SEW part number: 8263673

2. Electrical Specifications

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

• Rated input current: 2.1 A

• Rated output power: 1.5 kW

• Rated output current: 3.7 A

• Output frequency: 0–400 Hz

• Control modes: V/F (default), vector optional

• Braking: Integrated brake chopper (for 1.5 kW brake resistor)

• Overload capacity: 150% / 60 s

• EMC: Requires external EF014‑503 filter (Class B)

3. Mechanical & Environmental

• Enclosure: IP20 (cabinet installation)

• Dimensions (W×H×D): 127 × 203 × 178 mm

• Weight: 1.9–2.3 kg

• Ambient temperature: 0 °C … +45 °C

• Cooling: Natural convection (no fan)

4. Interfaces & Features

• Digital inputs: 4 × 24 V DC (opto‑isolated)

• Digital outputs: 2 × 24 V DC, 0.5 A (short‑circuit proof)

• Analog: 1×AI (0–10 V / 4–20 mA), 1×AO

• Communication: Standard RS‑485; PROFIBUS‑DP option

• Keypad: FBG31C (detachable, with display/keys)

5. Status & Replacement

• Status: End‑of‑Life (EOL); only used/refurbished units available

• Direct replacement: MC07B015‑503‑4‑00 (newer MOVITRAC B series, functionally compatible, smaller size)

• Related models:

  • 31C008‑503‑4‑00: 0.75 kW, 4‑quadrant

  • 31C022‑503‑4‑00: 2.2 kW, 4‑quadrant

6. Typical Applications

• Conveyors, packaging machinery, fans, pumps

• Retrofits (replacing failed 31C drives)

• Applications requiring 4‑quadrant braking (e.g., hoists, high‑inertia loads)