Name: Siemens SINAMICS G120C 0.75kW Compact Converter - INOSAKI
SKU: Siemens-6SL3210-1KE12-3AB2
Price: 348.42 USD
Availability: InStock

Technical Overview

Compact 0.75kW frequency converter with 3AC 380-480V input, IP20 protection, integrated Class A filter, and Safe Torque Off.

Key Features

Compact design for space-saving installations
Integrated Class A filter for EMC compliance
Safe Torque Off (STO) integrated for enhanced machine safety
USS/MODBUS RTU fieldbus communication
Robust IP20 / UL Open Type protection
Multiple I/O interfaces: 6 DI, 2 DO, 1 AI, 1 AO, 1 Motor Temperature
High efficiency of 97%
Suitable for both low overload (0.75 kW) and high overload (0.55 kW) applications

Technical Specification Matrix

Parameter	Value
Input Voltage	3 AC, 380-480 V (+10% / -20%)
Input Frequency	47-63 Hz
Rated Power (Low Overload)	0.75 kW (1.00 hp)
Rated Power (High Overload)	0.55 kW (0.75 hp)
Protection Class	IP20 / UL Open Type
Dimensions (H x W x D)	173 mm x 73 mm x 155 mm
Net Weight	1.3 kg
Integrated Filter Class	A
Digital Inputs (DI)	6
Digital Outputs (DO)	2
Analog Inputs (AI)	1
Analog Outputs (AO)	1
Motor Temperature Input	1 (Mot_t)
Safety Function	Safe Torque Off (STO)
Fieldbus Protocols	USS/MODBUS RTU
Efficiency η	0.97
Sound Pressure Level (1m)	49 dB
Power Loss	39.0 W
Output Frequency (Vector Control)	0-240 Hz
Output Frequency (V/f Control)	0-550 Hz
Rated Input Current (LO)	2.90 A
Rated Output Current (LO)	2.20 A
Rated Input Current (HO)	2.50 A
Rated Output Current (HO)	1.70 A
Max. Output Current	3.40 A
Pulse Frequency	4 kHz
Installation Altitude	1,000 m
Physical Weight (kg)	1.3
Dimensions L x W x H (cm)	22.5 x 27 x 8.5

Industrial Applications

1. Variable Speed Control for Industrial Pumps

This converter can precisely control the speed of 0.75 kW (LO) industrial pumps, enabling energy savings and optimized flow rates for water and wastewater treatment plants. Its integrated Class A filter ensures EMC compliance, crucial in sensitive industrial environments. The IP20 rating suggests installation in a protected control cabinet, suitable for such facilities.

Problem Solved

Reduces energy consumption, optimizes fluid flow, and minimizes mechanical wear on pumps by operating them at the exact speed required, avoiding constant on/off cycling.

0.75 kWVariable Frequency DriveIP20Class A Filter380-480VPump ControlEnergy Efficiency

2. Energy-Efficient Fan Speed Regulation in Commercial HVAC Systems

The SINAMICS G120C, with its 0.75 kW power rating and 380-480V input, is ideal for regulating the speed of fans in large commercial or industrial HVAC systems. The integrated Safe Torque Off (STO) feature provides a critical safety function for maintenance, while Modbus RTU communication allows seamless integration with Building Management Systems (BMS).

Problem Solved

Optimizes airflow and temperature control, reduces energy consumption by matching fan speed to demand, and enhances safety during system servicing.

0.75 kWHVACFan ControlSTOModbus RTU380-480VBuilding Automation

3. Precise Speed Control for Material Handling Conveyors

For manufacturing lines requiring precise and robust control over conveyor belt speeds, this 0.75 kW converter offers reliable operation with its 380-480V input and high overload capability (200% for 3s). The digital and analog I/O allow for integration with sensors and control systems, ensuring smooth acceleration/deceleration and preventing material damage. The compact size (173x73x155 mm) allows for installation in existing control panels.

Problem Solved

Ensures consistent product flow, minimizes production bottlenecks, and extends the lifespan of mechanical components by eliminating harsh starts/stops and allowing for controlled speed changes.

0.75 kWConveyor SystemsMotor ControlHigh OverloadDigital I/OAnalog I/O380-480VManufacturing Automation