Product Description: SEW 31C150-503-4-00 Frequency Converter
May 18, 2026

Product Description: SEW 31C150-503-4-00 Frequency Converter

High-power universal industrial vector frequency converter, compatible with 15KW three-phase asynchronous motors, integrating V/F control and sensorless vector control, with strong heavy-load starting performance, built-in braking unit, smooth and quiet speed regulation, widely used in heavy-duty conveying, fans, pumps, large-scale assembly lines and other high-power drive applications.

Description

Product Description: SEW 31C150-503-4-00 Frequency Converter

Model: 31C150-503-4-00

Brand: SEW SAEW

Series: MOVITRAC 31C

Rated Power: 15KW

Input Power Supply: Three-phase 380~500V 50/60Hz

Rated Output Current: 30.0A

I. Product Overview

A high-power universal industrial vector frequency converter, suitable for 15KW three-phase asynchronous motors, integrating V/F control and sensorless vector control, with strong heavy-load starting performance, built-in braking unit, smooth speed regulation and quiet operation, widely used in heavy-duty conveying, fans, pumps, large-scale assembly lines and other high-power drive applications.

II. Core Technical Parameters

Overload Capacity: 150% Rated Current Continuous for 60 Seconds

Maximum Switching Frequency: 16kHz

Built-in built-in braking chopper, supports rapid braking shutdown

Standard Communication: RS485 Modbus RTU

Protection Grade: IP20

Operating Environment Temperature: 0℃~+45℃

Storage Temperature: -20℃~+65℃

Applicable Humidity: 90% RH, no condensation

III. Core Functions

Sensorless Vector Control, High Torque at Low Frequency, Smooth Heavy-Load Startup without Impact

Built-in PID Closed-Loop Control, Can Achieve Constant Voltage, Constant Current, and Constant Temperature Automatic Adjustment

16 Segment Multi-Stage Speed Program Running, Suitable for Multi-Process Automation Equipment

Three Sets of Jump Frequency Settings, Avoiding Equipment Mechanical Resonance Points

Full Dimensional Electrical Protection: Overcurrent, Overvoltage, Undervoltage, Output Short Circuit, Grounding, Motor Overload, Thermistor Overheating Protection

Support Panel Parameter Copy Import, Efficient and Convenient Batch Debugging on Site

Can be externally connected expansion bus modules: PROFIBUS, CANopen, etc.

IV. Application Domains

Large Belt Conveying Equipment, Industrial High-Power Water Fans and Pumps, Material Hoisting Machinery, Mining Auxiliary Transmission, Woodworking Heavy Equipment, Central Air Conditioning Energy Saving Renovation, Automation Production Line Main Drive, etc. for 15KW Industrial Loads.

V. Power Ranking of the Same Series 31C110-503-4-00 11KW

31C150-503-4-00 15KW

31C185-503-4-00 18.5KW

VI. Product Advantages

Original and genuine drive architecture, stable and durable operation; excellent heat dissipation design for high-power models, less prone to overheating during long-term full-load operation; complete interfaces with strong versatility, easy replacement; mature vector algorithm, high speed regulation accuracy, significant energy-saving effect.


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