Technical Overview

Compact 3AC 380-480V AC drive with 2.2kW (LO)/1.5kW (HO) output, integrated Safe Torque Off, USS/MODBUS RTU, and IP20 for industrial motor control.

Key Features

SINAMICS G120C compact inverter series
Rated output power: 2.2 kW (Low Overload) / 1.5 kW (High Overload)
Wide voltage range: 3AC 380–480 V +10% -20%
Built-in communication interfaces: USS/MODBUS RTU
Protection rating: IP20 / UL OPEN TYPE
External 24V I/O interface: 6 Digital Inputs, 2 Digital Outputs, 1 Analog Input, 1 Analog Output
High efficiency and low harmonic distortion
Internal air cooling

Technical Specification Matrix

Parameter	Value
Part Number	6SL3210-1KE15-8UB2
Series	SINAMICS G120C
Input Voltage	3AC 380–480 V +10% -20%
Line Frequency	47–63 Hz
Rated Power (Low Overload - LO)	2.20 kW
Rated Current (Low Overload - LO)	5.60 A
Rated Power (High Overload - HO)	1.50 kW
Rated Current (High Overload - HO)	4.10 A
Max. Output Current	8.20 A
Pulse Frequency	4 kHz
Output Frequency (Vector Control)	0 ... 240 Hz
Output Frequency (V/f Control)	0 ... 550 Hz
Protection Rating	IP20 / UL OPEN TYPE
Operating Temperature	–10 °C to +40 °C (without derating)
Communication Interface	USS/MODBUS RTU
Standard Digital Inputs	6
Fail-safe Digital Inputs	1
Digital Outputs (Relay changeover contact)	1
Digital Outputs (Transistor)	1
Analog Inputs	1 (Differential input, 10 bit resolution)
Analog Outputs	1 (Non-isolated)
Safety Functions	Integrated STO (Safe Torque Off)
Filter Class (integrated)	Unfiltered
Physical Weight (kg)	1.1
Dimensions L x W x H (cm)	22.5 x 27 x 8.5

Industrial Applications

1. Small Conveyor Systems with Safety Requirements

This inverter is ideal for controlling the speed and direction of motors in small to medium-sized conveyor belts commonly used in manufacturing or logistics facilities for material handling.

Problem Solved

Provides precise motor control for material transport and offers integrated Safe Torque Off (STO) to quickly and safely halt conveyor motion in emergencies, preventing accidents or equipment damage in environments requiring adherence to machine safety standards.

Motor controlVariable speed driveConveyor beltSafe Torque Off (STO)3-phase 400VIP20Material handling

2. HVAC Systems in Industrial Buildings

Suitable for variable speed control of pumps and fans within Heating, Ventilation, and Air Conditioning (HVAC) systems in industrial facilities, aiming for optimized environmental control.

Problem Solved

Enables energy-efficient operation by precisely adjusting motor speed based on environmental demand, significantly reducing power consumption. Its compact size and IP20 rating allow for straightforward integration within existing control cabinets, optimizing space and providing essential protection against industrial dust and contact.

Variable Frequency Drive (VFD)HVACPump controlFan controlEnergy efficiency3-phase 400VIP20Compact design

3. Packaging Machinery with Basic Automation

This inverter can efficiently drive motors for various sequential functions within packaging machines, such as film feeding, product indexing, or labeling, where reliable and controlled motion is critical.

Problem Solved

Offers flexible motor control modes (V/f and vector control) to accurately synchronize different mechanical parts of a packaging line, thereby improving packaging precision, throughput, and product consistency. The integrated USS/MODBUS RTU communication facilitates seamless and straightforward integration with common programmable logic controller (PLC) systems for basic automation tasks.

Packaging machineMotor driveSpeed controlV/f controlVector controlUSS/MODBUS RTU3-phase 400VPLC integration

Siemens SINAMICS G120C AC Drive 2.2kW/1.5kW

Siemens SINAMICS G120C AC Drive 2.2kW/1.5kW

Technical Overview

Key Features

Technical Specification Matrix

Industrial Applications

1. Small Conveyor Systems with Safety Requirements

2. HVAC Systems in Industrial Buildings

3. Packaging Machinery with Basic Automation