1. General Description

2. Model Code Explanation

• MAS51A: MOVITRAC 51A inverter series

• 015: Power rating: 1.5 kW

• 503: 3-phase input, 380–500 V AC

3. Technical Specifications

Electrical Data

• Input: 3 × AC 380–500 V, 50/60 Hz

• Rated input current: 3.6 A

• Output: 3 × AC 0–500 V, 0–599 Hz

• Rated output current: 4.0 A

• Rated motor power: 1.5 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 structure, saves installation space in cabinets

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

3. Simple parameter setup for easy commissioning and maintenance

4. Stable performance for continuous operation

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

5. Compatibility & Applications

• Matches 1.5 kW three-phase asynchronous motors

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

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

6. Product Status