Name: Siemens SINAMICS G120C Variable Frequency Drive 15kW-11kW - INOSAKI
SKU: Siemens-6SL3210-1KE23-2AF1
Price: 909.57 USD
Availability: InStock

Technical Overview

3AC 380-480V compact inverter with 15kW LO / 11kW HO, IP20, integrated Class A EMC filter, PROFINET, and Safe Torque Off. Efficiency 0.97.

Key Features

Integrated Class A EMC filter
Built-in PROFINET communication
Safe Torque Off (STO) integrated
Compact IP20 housing design
Multiple I/O ports: 6 Digital Inputs, 2 Digital Outputs, 1 Analog Input, 1 Analog Output, 1 Motor Temperature Sensor Input
Optimized energy efficiency (0.97)
Supports vector and V/f control methods
UL Open Type approval
Output frequency for V/f control: 0-550 Hz
Output frequency for vector control: 0-240 Hz

Technical Specification Matrix

Parameter	Value
Input Voltage	3AC 380-480V +10% -20%
Input Frequency	47-63 Hz
Rated Power (Low Overload)	15.00 kW (20.00 hp)
Rated Power (High Overload)	11.00 kW (15.00 hp)
Output Voltage	3AC 400V IEC / 480V NEC
Rated Input Current (Low Overload)	40.60 A
Rated Input Current (High Overload)	36.40 A
Rated Output Current (Low Overload)	31.00 A
Rated Output Current (High Overload)	25.00 A
Max. Output Current	50.00 A
IP Rating	IP20
Filter Class	Class A (integrated)
Digital Inputs	6
Digital Outputs	2 (1 relay changeover, 1 transistor)
Analog Inputs	1 (Differential input, 10-bit resolution)
Analog Outputs	1 (Non-isolated output)
Motor Temperature Sensor Input	1 (PTC, KTY, Thermo-Click)
Communication Interfaces	PROFINET, EtherNet/IP
Safety Function	Safe Torque Off (STO)
Efficiency η	0.97
Power Loss	371.0 W
Overload Capability (Low Overload)	150% base load current IL for 3 s, followed by 110% base load current IL for 57 s in a 300 s cycle time
Overload Capability (High Overload)	200% base load current IH for 3 s, followed by 150% base load current IH for 57 s in a 300 s cycle time
Pulse Frequency	4 kHz
Physical Weight (kg)	5.5
Dimensions L x W x H (cm)	27 x 36.5 x 16

Industrial Applications

1. Conveyor Belt Systems for Material Handling

The SINAMICS G120C can precisely control the speed and torque of motors driving conveyor belts in manufacturing or logistics facilities. Its 15 kW (LO) power rating is suitable for medium-duty conveyors, offering variable speed operation for optimized material flow.

Problem Solved

Achieves energy-efficient material flow with adjustable speeds, reducing wear and tear on mechanical components and allowing for integration into automated production lines via PROFINET. The Safe Torque Off (STO) function ensures operator safety during maintenance or emergency stops, addressing critical safety requirements in dynamic environments.

Variable Speed DriveTorque ControlPROFINETEnergy EfficiencySafe Torque Off15 kW

2. Pump Motor Control in HVAC Systems

This inverter is ideal for controlling centrifugal pumps in Heating, Ventilation, and Air Conditioning (HVAC) systems. Its ability to operate with a 3AC 380-480V input and provide variable frequency output enables precise flow control, optimizing system performance based on demand.

Problem Solved

Optimizes energy consumption by matching pump speed to demand, significantly reducing energy waste compared to fixed-speed pumps. The IP20 rating allows for safe and reliable installation in electrical cabinets common in building management systems, and PROFINET facilitates seamless integration with overall building automation, enabling centralized control and monitoring.

HVACPump ControlEnergy SavingVariable Frequency380-480V ACIP20PROFINET

3. Industrial Mixer Automation

For industrial mixers in chemical, food, or pharmaceutical processing, the G120C can manage motor speed and torque for various mixing processes. Its design accommodates both low and high overload conditions, ensuring stability during demanding operations.

Problem Solved

Provides flexible and precise mixing control, which is essential for achieving consistent product quality and uniformity. The high overload capability (11.0 kW at 200% for 3s) effectively handles sudden load changes during mixing, and the integrated Class A EMC filter ensures reliable operation in electrically sensitive industrial environments, minimizing interference with other equipment.

Process ControlTorque RegulationHigh OverloadEMC Filter11 kW3-Phase