***SPARE PART*** SIMOVERT MASTERDRIVES VECTOR CONTROL MIT CU2 CONVERTER 3 AC 380-480V, 50/60HZ, 186A NOM. POWER RATING: 90,0KW WATER COOLED K80 = “SAFE STOP” FUNCTION TO PREVENT UNEXPECTED START-UP V04=FIRMWARE 1.34
| Item | Specification |
|---|---|
| Manufacturer | Siemens |
| Product Series | SIMOVERT MASTERDRIVES VC (Vector Control) |
| Model Number | 6SE7031-8EF25-1AA1 |
| Product Type | 3‑Phase AC/AC Inverter, Chassis Unit, Air‑Cooled |
| Cooling Method | Air‑cooled (Forced convection) |
| Protection Class | IP00 (Open chassis, no enclosure) |
| Rated Output Power (Pₙ, 400 V, cosφ=1) | 55 kW / 75 HP |
| Rated Output Current (Iₙ) | 124 A (3‑phase AC) |
| Base Load Current (I₉) | 112 A |
| Short‑Time Overload Current (Iₘₐₓ) | 186 A (30 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 | 0–200 Hz (programmable) |
| DC Link Voltage | 510–650 V DC |
| Overload Capacity | 136% for 60 s; 150% for 30 s |
| Control Unit | CUVC (standard for VC series) |
| Control Modes | V/f control, sensorless vector control, vector control with encoder, torque control |
| Dimensions (W×H×D) | 360 mm × 860 mm × 350 mm |
| Net Weight | 48 kg (approx.) |
| Operating Temperature | 0 °C to +40 °C |
| Storage Temperature | −25 °C to +70 °C |
| Relative Humidity | 5%–95%, non‑condensing |
| Max. Operating Altitude | ≤1000 m (derating 1% per 100 m above 1000 m) |
| Standard Communication | PROFIBUS DP (CBP2 optional), USS protocol |
| Speed Control Precision | 0.001% (with encoder); 0.1% (sensorless vector) |
| Efficiency | ≥97% (at rated load) |
| Power Factor | 0.95–0.98 (at rated load) |
| Certifications | CE, UL, RoHS |
| Version | 1AA1 (Standard revision, with coating) |
| Status | Obsolete (spare parts & repair only) |
| Country of Origin | Germany |









