Product Description: SEW 31C150-503-4-07 Inverter

Model: 31C150-503-4-07

Brand: SEW SAEW

Series: MOVITRAC 31C

Rated Power: 15 kW

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

Rated Output Current: 30.0 A

Version Code: 07 (Different from standard 00)

I. Product Introduction

31C150-503-4-07 is a 15kW dedicated version of the SEW 31C series vector inverter. The core electrical specifications are exactly the same as the standard model 31C150-503-4-00 (power, current, voltage, control performance). The "07" at the end represents a hardware/software customized version, usually pre-configured for specific working conditions (such as lifting, synchronization, high protection, special communication or certification).

II. Core Parameters (Same as 00 Standard Version)

Control Mode: V/F + Sensorless Vector Control (VFC)

Overload Capacity: 150% Rated Current, Continuous for 60s

Carrier Frequency: Maximum 16kHz

Braking Function: Built-in Braking Chopper (4-Quadrant Operation)

Standard Communication: RS485 Modbus RTU

Protection Grade: IP20 (Installed in cabinet)

Environmental Temperature: 0°C ~ +45°C (No Capacity Reduction)

Applicable Motors: Three-phase Asynchronous Motors, 15kW

III. Core Differences of Version 07 (Key Differences)

Hardware Configuration

Factory Pre-installed specific tabs/functions (such as advanced communication, safety functions, encoder interface)

Built-in EMC Input Filter / Output Reactor (Enhanced Anti-interference, Meeting Strict EMC Standards)

Strengthened Cooling / Heavy-load Design, Suitable for Higher Environmental Temperatures or Continuous Full Load

Software Firmware

Firmware Version / Function Set Customization (such as lifting-specific programs, synchronous control, tension control, special protection logic)

Parameter Default Values Optimization (Pre-set for Target Industry/Equipment, Reducing On-site Calibration)

Application Positioning

07 Version is mainly used for high-demanding working conditions: lifting, precise synchronization, high-speed start-stop, harsh electromagnetic environment, special certification projects

00 Is a General Standard Version, 07 Is an Industry-Customized Enhanced Version

IV. Main Functions

Sensorless Vector Control, High Torque at Low Speed (0.5Hz 150% Torque)

Built-in PID Regulator (Constant Voltage / Constant Current / Constant Temperature)

16 Segment Multi-speed, 3 Groups Frequency Shift (Avoid Resonance)

Full Protection: Overcurrent, Overvoltage, Undervoltage, Short Circuit, Overload, Overheating, Ground Fault

Support Parameter Copy, Extended Profibus/CANopen Buses

V. Application Scenarios

Lifting / Elevating Machinery (Winches, Hoists, Cranes, 07 Version Common)

Heavy-duty Conveying, High-power Fans and Water Pumps, Precision Machines, Printing and Packaging, Metallurgical Transmission

Industrial occasions with high requirements for stability, EMC, safety, and synchronization accuracy

VI. Version Comparison (07 vs 00)

31C150-503-4-00: General Standard Version, Basic Configuration, High Cost Performance

31C150-503-4-07: Customized Enhanced Version, Hardware / Software Pre-Optimized, Suitable for Professional Working Conditions

VII. Product Advantages

SEW Original Quality, Stable and Reliable Heavy-load Performance

07 Version Ready to Use Out of the Box, Reducing On-site Selection / Calibration

High Vector Control Accuracy, Smooth Startup, Precise Speed Adjustment, Significant Energy Saving

Rich Interfaces, Strong Compatibility, Convenient Maintenance