Name: Siemens SINAMICS G120C 7.5kW Compact Converter - INOSAKI
SKU: Siemens-6SL3210-1KE21-7UB1
Price: 474.65 USD
Availability: InStock

Technical Overview

3-phase 380-480V, 7.5kW (LO) compact drive with IP20 protection, integrated Safe Torque Off, and USS/Modbus RTU for precise motor control.

Key Features

3-phase AC input voltage: 380-480 V, 47-63 Hz.
Rated power (low overload): 7.5 kW (10.00 hp).
Rated power (high overload): 5.5 kW (7.50 hp).
Max output current: 25 A.
Protection degree: IP20 / UL OPEN TYPE.
Integrated Safe Torque Off (STO) function.
Communication via USS/MODBUS RTU fieldbus.
Unfiltered external 24V I/O interface (6 DI, 2 DO, 1 AI, 1 AO, 1 Motor temp. sensor input).
Overload capability (LO): 150% for 3s, 110% for 57s in 300s cycle.
Overload capability (HO): 200% for 3s, 150% for 57s in 300s cycle.
Output frequency range: 0-240 Hz (vector control), 0-550 Hz (V/f control).
Integrated brake chopper.

Technical Specification Matrix

Parameter	Value
Input Voltage (Phases)	3 AC
Input Voltage Range	380 - 480 V (+10% / -20%)
Input Frequency	47 - 63 Hz
Rated Power (Low Overload, LO)	7.5 kW / 10.00 hp
Rated Power (High Overload, HO)	5.5 kW / 7.50 hp
Max Output Current	25 A
Rated Current (LO, Output)	16.50 A
Rated Current (HO, Output)	12.50 A
Protection Degree	IP20 / UL OPEN TYPE
Communication Interface	USS/MODBUS RTU
Digital Inputs	6 (Standard), 1 (Fail-safe)
Digital Outputs	1 (Relay changeover), 1 (Transistor)
Analog Inputs	1 (Differential)
Analog Outputs	1 (Non-isolated)
Motor Temperature Sensor Input	1 (PTC/KTY compatible)
Pulse Frequency	4 kHz
Output Frequency (Vector Control)	0 - 240 Hz
Output Frequency (V/f Control)	0 - 550 Hz
Integrated Safety Function	Safe Torque Off (STO)
Filter Class	Unfiltered
Power Loss	228.0 W
Sound Pressure Level (1m)	63 dB
Physical Weight (kg)	2.7
Dimensions L x W x H (cm)	26 x 25.5 x 12.5

Industrial Applications

1. Conveyor Belt Systems

This drive is ideal for controlling motors in conveyor belt systems used for material handling in manufacturing and logistics. Its precise speed and torque control capabilities ensure smooth and efficient product movement.

Problem Solved

Provides efficient and reliable speed/torque control for conveyor motors, enabling smooth acceleration/deceleration and accurate positioning of goods. The integrated Safe Torque Off (STO) enhances operational safety by quickly stopping motor torque in emergency situations, preventing unintended movement of the conveyor.

Motor controlVariable speed driveTorque controlMaterial handlingSafe Torque Off (STO)380-480V

2. Industrial Pump Control

Suitable for variable speed control of pump motors in HVAC systems, water treatment plants, and other fluid handling applications, optimizing flow rates and achieving significant energy savings.

Problem Solved

Enables demand-driven flow regulation for pumps, reducing energy consumption compared to fixed-speed operation. The 7.5 kW power rating and 380-480V input are well-suited for industrial pump requirements, while the IP20 rating allows for secure installation within a protected control cabinet.

Variable Frequency Drive (VFD)Pump motor controlEnergy efficiencyFlow optimization380-480V7.5 kW

3. Industrial Ventilation Fan Control

Applicable for controlling fan motors in industrial ventilation and air handling units, allowing for adjustable airflow to maintain optimal environmental conditions and reduce energy usage.

Problem Solved

Offers precise speed control for industrial fan motors, adapting ventilation rates to changing conditions and optimizing energy consumption. The compact form factor (196x100x203mm) facilitates integration into control panels even in space-constrained installations, and USS/Modbus RTU connectivity supports integration with building management systems.

HVAC systemsFan speed controlEnergy savingAir handling unitModbus RTUCompact design