Siemens 6SL3210-5BE21-1UV0 SINAMICS V20 VFD factory packaging
Siemens 6SL3210-5BE21-1UV0 SINAMICS V20 VFD factory packaging
New Siemens SINAMICS V20 6SL3210-5BE21-1UV0 VFD carton

Siemens 6SL3210-5BE21-1UV0 SINAMICS V20 1.1kW 380-480V 3-Phase Variable Frequency Drive VFD

SIEMENS

The Siemens 6SL3210-5BE21-1UV0 SINAMICS V20 is a compact 1.1kW 3-phase variable frequency drive for 380–480V AC motors. With 150% overload capacity, built-in MODBUS RTU, and IP20 enclosure, it delivers reliable, energy-efficient speed control for fans, pumps, conveyors, and general machinery. Easy to install and configure, it is ideal for cost-effective industrial automation solutions.

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Product Overview

The Siemens 6SL3210-5BE21-1UV0 SINAMICS V20 is a versatile, cost-effective variable frequency drive (VFD) engineered to deliver precise, energy-efficient motor control for a wide range of general industrial applications. Rated at 1.1 kW (1.5 HP), this 3-phase VFD operates with a 380–480 V AC input voltage, supporting fluctuations of -15% to +10% and a frequency range of 47–63 Hz, ensuring stable performance even in variable power environments common in industrial facilities worldwide.
 
At the core of the V20 is a robust control system optimized for simple, reliable motor control. The drive features a maximum output frequency of 550 Hz, making it suitable for both standard and high-speed motor applications. Its overload capacity of 150% rated current for 60 seconds ensures reliable handling of transient loads typical in applications like fans, pumps, conveyors, and material handling systems, preventing unexpected downtime and protecting critical equipment.
 
Commissioning and operation are simplified with the integrated Basic Operator Panel (BOP), which provides intuitive access to all essential functions. Users can quickly configure parameters, monitor real-time operating status, and perform basic diagnostics without the need for external programming tools, significantly reducing setup time and maintenance costs. The BOP also supports quick commissioning wizards tailored to common applications like fans and pumps, further streamlining the installation process.
 
For seamless integration into automation systems, the V20 supports both USS and MODBUS RTU communication protocols. This allows remote control, data logging, and system monitoring via PLCs, SCADA systems, or HMI devices, enabling full integration into larger industrial networks. The drive’s flexible I/O configuration includes 4 digital inputs, 2 digital outputs, 2 analog inputs, and 1 analog output, supporting a wide range of control signals for both simple and complex process requirements.
 
Designed for space efficiency, the V20’s compact IP20-rated enclosure supports both wall-mounted and side-by-side installation in standard control cabinets. Its streamlined design reduces footprint requirements, making it ideal for retrofits and new installations where cabinet space is at a premium. The drive also features a wide operating temperature range of -10°C to +50°C (with derating above 40°C), ensuring reliable performance in diverse industrial environments.
 
Energy efficiency is a key focus of the SINAMICS V20 series. By adjusting motor speed to match process demands, the drive significantly reduces power consumption compared to fixed-speed operation, lowering operational costs and contributing to sustainability goals. Advanced control algorithms ensure smooth motor operation, minimizing mechanical stress and extending the lifespan of both the drive and connected motor.
 
Comprehensive protection features safeguard the system against common industrial hazards, including overvoltage, undervoltage, overcurrent, overheat, and short-circuit protection. These built-in safeguards reduce maintenance requirements and enhance long-term reliability, making the V20 a cost-effective solution for continuous-duty applications.
 
With its combination of compact design, easy operation, flexible communication, and robust performance, the Siemens 6SL3210-5BE21-1UV0 SINAMICS V20 is an ideal choice for users seeking a reliable, energy-efficient VFD for general industrial motor control applications.
 
SpecificationDetails
ManufacturerSiemens
SeriesSINAMICS V20
Model Number6SL3210-5BE21-1UV0
Rated Power1.1 kW / 1.5 HP
Rated Output Current3.1 A
Input Voltage380–480 V 3-Phase AC (-15% / +10%)
Input Frequency47–63 Hz
Output Voltage0–480 V 3-Phase AC
Output Frequency Range0–550 Hz
Overload Capacity150% rated current for 60 seconds
I/O Interfaces4 DI, 2 DO, 2 AI, 1 AQ
Communication ProtocolsUSS, MODBUS RTU
Control PanelIntegrated Basic Operator Panel (BOP)
Protection ClassIP20 / UL Open Type
Mounting TypeWall-mounted / Side-by-side installation
Operating Temperature-10°C to +50°C (derated above 40°C)
ApplicationsFans, pumps, conveyors, general machinery

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