Technical Overview

Compact VFD, 22kW/18.5kW, 380-480V 3AC, IP20, PROFINET/EtherNet/IP, STO, Class A EMC filter, 472x200x237mm. Provides precise motor control and safety.

Key Features

Integrated PROFINET and EtherNet/IP communication.
Safe Torque Off (STO) functionality to SIL 2 (EN 61508) via Digital Inputs.
IP20 / UL open type protection for control-cabinet mounting.
Integrated Class A EMC filter.
Supports V/f and sensorless vector control.
Robust overload capability: 150% base load current for 3s, followed by 110% for 57s in a 300s cycle (Low Overload).
High overload capability: 200% base load current for 3s, followed by 150% for 57s in a 300s cycle (High Overload).
Compact design with dimensions of 472x200x237 mm for space-constrained installations.
Comprehensive I/O interface: 6 standard digital inputs, 1 fail-safe digital input, 2 digital outputs (1 relay, 1 transistor), 1 analog input, 1 analog output, and 1 PTC/KTY interface.
Wide operating temperature range of -40°C to 70°C.

Technical Specification Matrix

Parameter	Value
Input Voltage	380 ... 480 V +10 % -20 % (3 AC)
Line Frequency	47 ... 63 Hz
Rated Power (Low Overload)	22.00 kW (25.00 hp)
Rated Power (High Overload)	18.50 kW (20.00 hp)
Rated Input Current (Low Overload)	41.00 A
Rated Input Current (High Overload)	39.00 A
Rated Output Current (Low Overload)	43.00 A
Rated Output Current (High Overload)	37.00 A
Max. Output Current	74.00 A
Pulse Frequency	4 kHz
Output Frequency (Vector Control)	0 ... 240 Hz
Output Frequency (V/f Control)	0 ... 550 Hz
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.
Power Factor λ	0.90 ... 0.95
Offset factor cos φ	0.99
Efficiency η	0.98
Sound Pressure Level (1m)	72 dB
Power Loss	699.0 W
Integrated Filter Class	Class A
Communication Interfaces	PROFINET, EtherNet/IP
Standard Digital Inputs	6
Fail-safe Digital Inputs	1
Digital Outputs (Relay)	1 (DC 30 V, 0.5 A)
Digital Outputs (Transistor)	1 (DC 30 V, 0.5 A)
Analog / Digital Inputs	1 (Differential input, 10 bit resolution)
Analog Outputs	1 (Non-isolated output)
Motor Temperature Sensor Input	1 (PTC/KTY interface)
Protection Rating	IP20 / UL open type
Physical Weight (kg)	19
Dimensions L x W x H (cm)	49.5 x 35.6 x 30

Industrial Applications

1. Precision Conveyor Systems in Automated Manufacturing

The Siemens SINAMICS G120C drive is ideal for controlling conveyor belt motors in automated manufacturing lines, enabling precise speed adjustments for varying production demands. Its 22 kW (LO) power rating and sensorless vector control provide robust and accurate motion, while the integrated Safe Torque Off (STO) function ensures immediate safety during emergency stops or maintenance operations. Seamless integration via PROFINET allows for centralized control and monitoring within the factory's automation architecture.

Problem Solved

Provides precise, safe, and integrated speed control for conveyor systems, optimizing production flow and ensuring operator safety.

22 kWSensorless Vector ControlPROFINETSafe Torque Off (STO)Automated Manufacturing

2. Optimized Pump Control in Water and Wastewater Treatment

This VFD is perfectly suited for managing pumps in water and wastewater treatment facilities. The 22 kW (LO) power rating and variable speed control capabilities allow for dynamic adjustment of water flow rates, leading to significant energy savings and reduced wear on mechanical components by preventing water hammer. Its IP20 rating ensures reliable operation when installed within control cabinets, and integrated PROFINET communication facilitates easy integration with existing SCADA or plant control systems.

Problem Solved

Enables energy-efficient and precise control of industrial pumps, reducing operational costs and extending equipment lifespan.

22 kWVariable Speed ControlIP20PROFINETEnergy EfficiencyWater Treatment

3. Efficient Fan and Blower Regulation in Industrial HVAC

For large-scale industrial heating, ventilation, and air conditioning (HVAC) systems, the SINAMICS G120C effectively controls high-power fans and blowers. Its 22 kW (LO) rating and ability to operate with V/f control allow for demand-driven airflow regulation, optimizing indoor climate and substantially cutting energy consumption. The integrated Class A EMC filter minimizes electromagnetic interference, crucial for reliable operation in sensitive building environments, and the compact design (472x200x237 mm) simplifies installation in equipment rooms.

Problem Solved

Provides energy-efficient and electromagnetically compatible control for large HVAC fans and blowers, improving climate control and reducing operational expenses.

22 kWV/f ControlClass A EMC FilterHVACEnergy OptimizationCompact Design

Siemens SINAMICS G120C 22kW PROFINET Variable Frequency Drive

Siemens SINAMICS G120C 22kW PROFINET Variable Frequency Drive

Technical Overview

Key Features

Technical Specification Matrix

Industrial Applications

1. Precision Conveyor Systems in Automated Manufacturing

2. Optimized Pump Control in Water and Wastewater Treatment

3. Efficient Fan and Blower Regulation in Industrial HVAC