1. General Description

2. Model Code Explanation

• MAS51A: MOVITRAC 51A inverter series

• 010: Power rating: 1.1 kW

• 503: Three-phase input, 380–500 V AC

3. Technical Specifications

Electrical Data

• Input: 3 × AC 380–500 V, 50/60 Hz

• Rated input current: 2.7 A

• Output: 3 × AC 0–500 V, 0–599 Hz

• Rated output current: 3.2 A

• Rated motor power: 1.1 kW

• Control modes: V/f control, vector control

• Overload capability: 150% rated current for 60 seconds

Mechanical & Environmental

• Protection class: IP20 (cabinet mounting)

• Cooling: Natural air cooling

• Ambient temperature: 0 °C ~ +45 °C

• Mounting: Panel mounting inside control cabinet

4. Key Features

1. Compact size, ideal for space-limited control cabinets

2. Comprehensive protection: overcurrent, overvoltage, undervoltage, overtemperature and motor overload protection

3. User-friendly parameter setting, easy commissioning and maintenance

4. Reliable performance for long-term continuous operation

5. Good EMC performance, compatible with SEW standard filters and chokes

5. Compatibility & Applications

• Designed for 1.1 kW three-phase asynchronous motors

• Typical applications: light-duty conveyors, ventilation fans, water pumps and general processing equipment

• Compatible with SEW HF series sine-wave output filters and input chokes

6. Product Status