6SL3210-1KE21-3UP1 Siemens SINAMICS G120 VFD AC Drive Inverter Motor Speed Controller

6SL3210-1KE21-3UP1

SINAMICS G120 Drive 3kW

Siemens Inverter 380-480V

6SL3210-1KE21-3UP1

6SL3210-1KE21-3UP1 is a Siemens SINAMICS G120 Drive rated 3kW, 380-480V AC inverter for industrial motor control with compact design and advanced functionality.

Specification

SEODescription

The **6SL3210-1KE21-3UP1** is a **Siemens Inverter 380-480V** belonging to the **SINAMICS G120 Drive 3kW** series, designed for industrial motor control applications. It features a three-phase AC input (380-480V ±10%, 50/60Hz) and delivers a 3kW output, supporting direct connection to asynchronous or synchronous motors. The drive includes integrated digital and analog I/O (4 digital inputs, 2 analog inputs, 1 relay output) and supports modular expansion via optional Control Units or Power Modules. Communication interfaces include PROFINET, USS, and Modbus RTU for seamless integration into automation networks. Operating within a temperature range of -10°C to +50°C, it is ideal for industries like manufacturing, HVAC, and water treatment. Key advantages include energy efficiency, compact design, and advanced diagnostics, though its complexity may require specialized commissioning.

SEOSpecification

Parameter	Specification
Product Model	6SL3210-1KE21-3UP1
Drive Series	SINAMICS G120
Rated Power	3 kW
Input Voltage	380-480 V AC, 3-phase
Output Current	6.4 A
Protection Class	IP20
Control Mode	Vector Control / V/f Control
Communication Interface	PROFIBUS, USS, Modbus RTU
Operating Temperature	-10°C to +50°C
Certification	CE, UL, cULus
Dimensions (WxHxD)	140 x 195 x 170 mm

SEOQandA

question:Do you accept payment after delivery?
answer:We require advance payment or L/C for new clients to ensure transaction security.
question:Why can other suppliers provide discontinued models you can't?
answer:Suppliers may have old stock or alternative channels, but we prioritize current models with reliable availability.
question:Can your company provide technical selection services?
answer:Yes, our engineering team offers professional technical guidance for product selection and customization.

SEOQandA_Product

question:What causes frequent overloading in 6SL3210-1KE21-3UP1?
answer:Excessive motor load or incorrect parameter settings. Check load conditions and adjust torque limits or acceleration parameters.
question:How to resolve overheating in 6SL3210-1KE21-3UP1?
answer:Ensure proper ventilation, clean cooling fins/fans, and verify ambient temperature stays within specified limits (typically ≤40°C).
question:Why does 6SL3210-1KE21-3UP1 show 'Fault: Motor Stall'?
answer:Motor mechanical blockage or incorrect encoder configuration. Inspect motor mechanics and validate encoder setup/connections.
question:How to fix communication failure with 6SL3210-1KE21-3UP1?
answer:Check PROFIBUS/PROFINET cable integrity, verify node address, and ensure matching baud rate/protocol settings in control system.
question:What causes DC link voltage fluctuations in 6SL3210-1KE21-3UP1?
answer:Unstable mains supply or defective braking resistor. Use line chokes, test input voltage stability, and inspect braking resistor functionality.