Siemens 6SL3210-5BE31-8UV0 SINAMICS V20 AC Drive

Product Overview

The Siemens 6SL3210-5BE31-8UV0 is a SINAMICS V20 series AC Drive (Variable Frequency Drive, VFD) designed for basic industrial motor control applications. It provides economical and reliable speed control for standard induction motors, widely used in pumps, fans, conveyors, compressors, and simple automation systems.

This model is a 380–480 VAC three-phase input inverter with approximately 22 kW (LO) / 18.5 kW (HO) motor power rating and 45 A rated output current.

Main Specifications

• Manufacturer: Siemens
• Model: 6SL3210-5BE31-8UV0
• Series: SINAMICS V20
• Product Type:
  • AC Drive
  • Variable Frequency Drive (VFD)
  • Motor Speed Controller

Electrical Specifications

• Input Voltage: 380–480 VAC (-15% / +10%)
• Input Phase: 3-phase AC
• Input Frequency: 47–63 Hz
• Output Voltage: 400 V class
• Rated Output Current: 45 A
• Rated Motor Power:
  • Low Overload (LO): 22 kW
  • High Overload (HO): 18.5 kW
• Output Frequency: 0–550 Hz
• Pulse Frequency: 4 kHz
• Frame Size: FSE
• Protection Degree: IP20 / UL Open Type

Technical Functions

The Siemens SINAMICS V20 provides:

• Variable motor speed control
• Adjustable acceleration/deceleration
• Motor overload protection
• Fault monitoring and diagnostics
• Energy-saving operation
• Basic automation control functions

Working principle:

Three-Phase AC Power → SINAMICS V20 Drive → Variable Frequency/Voltage Output → Motor Speed Control

Communication & Control

Integrated functions:

• USS communication
• Modbus RTU communication
• Digital inputs
• Relay output
• Transistor output
• Analog input/output control

Typical control methods:

• Keypad operation
• Terminal control
• PLC communication control

Features & Advantages

• Original Siemens SINAMICS V20 inverter
• Compact and cost-effective design
• Easy commissioning and parameter setup
• Suitable for standard motor applications
• Built-in braking chopper
• Supports Modbus RTU communication
• Reliable operation in industrial environments
• Low maintenance requirements

Applications

Used in:

• Industrial pumps
• Fans and ventilation systems
• Conveyors
• Compressors
• Packaging machines
• Material handling equipment
• Simple production machinery

Typical applications:

• Motor speed adjustment
• Flow control
• Energy-saving motor operation
• Basic automation control