SIMOVERT MASTERDRIVES MOTION CONTROL CHASSIS UNIT CONVERTER, 3-PH. 380-480 V AC, 50/60HZ, POWER RATINGS: 75 KW, 155 A WATER-COOLED DOCUMENTATION ON CD DOCUMENTATION ON CD
| Item | Specification |
|---|---|
| Manufacturer | Siemens |
| Product Series | SIMOVERT MASTERDRIVES MC (Motion Control) |
| Model Number | 6SE7031‑8EF50‑1AA1 |
| Product Type | 3‑Phase AC/AC Servo Converter, Chassis Unit, Water‑Cooled |
| Cooling Method | Liquid cooling (closed‑loop water cooling) |
| Protection Class | IP00 (open chassis, no enclosure) |
| Rated Output Power (Pₙ) | 75 kW / 100 HP (3‑phase, 400 V, cosφ=1) |
| Rated Output Current (Iₙ) | 155 A (3‑phase AC, continuous) |
| Base Load Current (Iᵦ) | 140 A |
| Short‑Time Overload Current (Iₘₐₓ) | 233 A (30 s); 310 A (5 s) |
| Input Voltage | 3‑phase AC 380 V (−20%) to 480 V (+5%) |
| Input Frequency | 50 / 60 Hz (47–63 Hz tolerance) |
| Output Voltage | 0–480 V AC (3‑phase, adjustable) |
| Output Frequency | 0–400 Hz (programmable, servo‑grade) |
| DC Link Voltage | 510–650 V DC |
| Overload Capacity | 150% Iₙ for 60 s; 200% Iₙ for 5 s (MC servo rating) |
| Control Unit | CUMC (standard for MC series, servo‑optimized firmware) |
| Control Modes | Vector control (sensorless/with encoder), servo control (position/speed/torque), V/f |
| Positioning Resolution | 1 pulse (with encoder, e.g., resolver, incremental/absolute encoder) |
| Speed Control Precision | 0.001% (with encoder); 0.1% (sensorless vector) |
| Dimensions (W×H×D) | 360 mm × 1060 mm × 350 mm |
| Net Weight | 64.9 kg (approx.) |
| Operating Temperature | 0 °C to +40 °C (cooling water: 25–40 °C) |
| Storage Temperature | −25 °C to +70 °C |
| Relative Humidity | 5%–95%, non‑condensing |
| Max. Operating Altitude | ≤1000 m (100% load); derate 1%/100 m >1000 m |
| Standard Communication | PROFIBUS DP, USS, SIMOLINK (MC servo bus) |
| Efficiency | ≥97% (at rated load) |
| Power Factor | 0.95–0.98 (at rated load) |
| Certifications | CE, UL, RoHS |
| Status | Obsolete (spare parts & repair only) |
| Country of Origin | Germany |
