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The INOVANCE MD500E series is a high‑performance current vector inverter family, featuring sensorless vector control and a built‑in EMC filter as standard. Designed for precise speed and torque regulation of three‑phase AC motors, it represents a technological upgrade over the previous MD380E series.
Advantages of the INOVANCE MD500E Series
Sensorless vector control-encoder-free precision, lowers cost and simplifies design.
High torque & overload-150% at 0.5Hz; 180% overload for 60s – handles startups and load swings.
Built-in EMC filter-CE, UL, cUL, RoHS compliant – ready for global export.
Compressor-optimized-PID, sleep/wake, constant pressure – cuts energy, extends life.
Compact & integrated-30% smaller than MD380E. DC reactor + braking unit (≥30kW) – saves space and BOM cost.
Rugged design-segregated airflow + conformal coating – resists dust, oil, moisture.
Wide communication-Modbus, PROFIBUS, PROFINET, CANopen, CANlink – seamless integration.
Market leader-20%+ of China's LV drive market, 12-month warranty, fast delivery.
Technical Specifications
| Specifications and Model Selection | ||||||||
| Table 8-3 Mounting Hole Dimensions of MD500ET0.4GB to MD500ET160G | ||||||||
| AC Drive Model | Hole Dimensions (mm) | Overall Dimensions(mm) | Hole Diameter (mm) | Weight (kg) | ||||
| A | B | H | H1 | W | D | |||
| MD500ET45G | 245 | 523 | 525 | 542 | 300 | 275 | 010 | 35.0 |
| MD500ET55G | ||||||||
| MD500ET75G | 270 | 560 | 554 | 580 | 338 | 315 | 010 | 51.5 |
| MD500ET90G | ||||||||
| MD500ET110G | ||||||||
| MD500ET132G | 320 | 890 | 874 | 915 | 400 | 320 | 010 | 85.0 |
| MD500ET160G | ||||||||
| Product brand | INOVANCE MD500E Series | ABB ACS580 Series | Siemens SINAMICS G120 Series |
| Control Technology | High‑performance current vector control | Vector control | Vector control |
| Starting Torque | 150% at 0.25Hz (open‑loop) / 180% at 0Hz (closed‑loop) | Standard vector performance | Standard vector performance |
| Overload Capacity | 180% rated current for 60s | Approx. 110‑150% | Approx. 150‑200% (short‑term) |
| Encoder‑free Synchronous Motor Control | Standard (included) | Limited support | Limited support |
| Built‑in EMC Filter | Standard | Optional (select models) | Optional (select models) |
| Built‑in DC Reactor | Standard (≥30kW models) | Optional | Optional |
| Footprint | 30% smaller than previous generation | Standard size | Modular design |
| Power Range | 0.4–450 kW | 0.37–500 kW | 0.37–250 kW |
| International Certifications | CE, UL, cUL, RoHS | CE, UL | CE, UL |
| Price Positioning | Cost‑effective | Premium segment | Premium segment |
| China Market Share (2025) | 22.0% (Rank #1) | 16.90% | 15.20% |
