Name: Siemens SINAMICS G120C 55kW Variable Frequency Drive - INOSAKI
SKU: Siemens-6SL3210-1KE31-1AF1
Price: 2674.13 USD
Availability: InStock

Technical Overview

55kW, 380-480V 3AC variable frequency drive with IP20, integrated Class A filter, Safe Torque Off, PROFINET/EtherNet/IP for precise motor control.

Key Features

Rated output power of 55.0 kW (60 HP) for robust motor control.
Input voltage range of 380-480 V 3AC, with a frequency of 47-63 Hz.
Low Overload (LO) capability: 150% of base load current (IL) for 3 seconds, followed by 110% for 57 seconds within a 300-second cycle time.
High Overload (HO) capability: 200% of base load current (IH) for 3 seconds, followed by 150% for 57 seconds within a 300-second cycle time.
Integrated Class A filter for electromagnetic compatibility.
Versatile I/O interface: 6 Digital Inputs, 2 Digital Outputs (1 relay, 1 transistor), 1 Analog Input (differential), 1 Analog Output (non-isolated).
Supports PROFINET-PN and EtherNet/IP for flexible fieldbus integration.
IP20 / UL open type degree of protection for control cabinet mounting.
Advanced control techniques including V/f linear/square-law/parameterizable and sensorless vector control.
Equipped with air cooling via an integrated fan.

Technical Specification Matrix

Parameter	Value
Rated Power (LO)	55.0 kW / 60 HP
Rated Power (HO)	45.0 kW / 50 HP
Input Voltage	380-480 V 3AC +10%/-20%
Line Frequency	47-63 Hz
Rated Current (LO)	103.00 A
Rated Current (HO)	83.00 A
Overload Capacity (LO)	150% for 3s, then 110% for 57s in 300s cycle
Overload Capacity (HO)	200% for 3s, then 150% for 57s in 300s cycle
Integrated Filter	Class A
Digital Inputs (Standard)	6
Digital Inputs (Fail-Safe)	1
Digital Outputs (Relay)	1 (DC 30V, 0.5A)
Digital Outputs (Transistor)	1 (DC 30V, 0.5A)
Analog Inputs	1 (Differential, 10 bit resolution)
Analog Outputs	1 (Non-isolated)
Communication Protocols	PROFINET, EtherNet/IP
Degree of Protection	IP20 / UL open type
Safety Function	Safe Torque Off (STO), SIL2 PLd Cat.3
Cooling	Air cooling via integrated fan
Output Frequency (V/f Control)	0-550 Hz
Output Frequency (Vector Control)	0-240 Hz
Pulse Frequency	4 kHz
Power Loss	1580.0 W
Efficiency	0.98
Physical Weight (kg)	29
Dimensions L x W x H (cm)	59.4 x 40 x 35

Industrial Applications

1. High-Capacity Conveyor Systems

This VFD is ideal for controlling powerful motors in large-scale industrial conveyor systems found in manufacturing plants, distribution centers, or mining operations. Its 55 kW power rating and 380-480V 3AC input ensure ample power for heavy loads and continuous operation. The integrated Safe Torque Off (STO) function provides critical safety, allowing for immediate and safe cessation of motor torque during emergency stops, adhering to safety standards like SIL2 PLd Cat.3. The PROFINET/EtherNet/IP integration facilitates precise speed adjustments and real-time monitoring within complex automated material handling systems.

Problem Solved

Ensures safe and precise speed control for large conveyor belts carrying heavy loads, enhancing operational safety and efficiency.

55 kW380-480V 3ACSafe Torque Off (STO)PROFINETEtherNet/IPMaterial Handling

2. Industrial Pump and Fan Control

Suitable for driving large industrial pumps and ventilation fans in applications such as HVAC systems, water treatment plants, or industrial cooling towers. The 55 kW rated power and 380-480V 3AC supply are perfectly matched for these significant motor loads. Its ability to perform V/f linear/square-law and sensorless vector control allows for demand-driven speed regulation, leading to significant energy savings by optimizing flow or air volume. The IP20 protection rating makes it suitable for installation within a protective control cabinet in a typical industrial environment.

Problem Solved

Optimizes energy consumption and provides precise control for large pumps and fans by matching motor speed to process demand.

55 kW380-480V 3ACV/f ControlSensorless Vector ControlIP20Energy Efficiency

3. Mixers and Extruders in Process Industries

Perfectly suited for controlling the speed of motors in industrial mixers and extruders used in food processing, chemical manufacturing, or plastics production. The 55 kW power rating can handle the high torque demands associated with processing viscous or dense materials, while the overload capability (150% for 3s) offers robustness against sudden load fluctuations. Integrated PROFINET/EtherNet/IP communication enables sophisticated process automation, allowing for recipe-driven speed profiles and seamless data exchange with a central control system, crucial for product quality and consistency.

Problem Solved

Provides variable speed and robust torque control for processing various materials, ensuring product consistency and process automation.

55 kW380-480V 3ACOverload CapabilityPROFINETEtherNet/IPProcess Control