Name: Siemens SINAMICS G120C 90kW Compact Frequency Inverter - INOSAKI
SKU: Siemens-6SL3210-1KE31-7AF1
Price: 4321.81 USD
Availability: InStock

Technical Overview

90.0 kW 3AC 380-480V compact frequency inverter with IP20, integrated Class A filter, PROFINET-PN, STO, and comprehensive I/O for robust motor control.

Key Features

Input voltage: 380-480 V 3AC +10/-20%, 47-63 Hz.
Integrated Class A filter for reduced electromagnetic interference.
I/O interface: 6 digital inputs, 2 digital outputs, 1 analog input, 1 analog output.
Safe Torque Off (STO) function for enhanced safety.
Integrated PROFINET-PN fieldbus for network connectivity; also supports EtherNet/IP.
IP20 protection rating for open-type mounting in control cabinets.
Compact FSF size (708x 305x 357 mm HxWxD) for space-saving installation.
External 24 V power supply for auxiliary functions.
Supports vector control and V/f control for efficient motor operation.
High energy efficiency and thermal management.

Technical Specification Matrix

Parameter	Value
Rated Power (Low Overload)	90.0 kW
Input Voltage	3AC 380-480 V (+10% / -20%)
Line Frequency	47-63 Hz
Rated Current (LO)	156.00 A (Input), 164.00 A (Output)
Max. Output Current	272.00 A
Overload Capability (LO)	150% base load current for 3s, followed by 110% for 57s in a 300s cycle
Protection Rating	IP20 / UL open type
Digital Inputs (Standard)	6
Digital Inputs (Fail-Safe)	1
Digital Outputs (Relay Changeover Contact)	1 (DC 30 V, 0.5 A)
Digital Outputs (Transistor)	1 (DC 30 V, 0.5 A)
Analog Inputs (Differential)	1 (10 bit resolution)
Analog Outputs (Non-isolated)	1
Communication Interface	PROFINET, EtherNet/IP
Integrated Filter	Class A
Safety Function	Safe Torque Off (STO)
Pulse Frequency	2 kHz
Output Frequency (Vector Control)	0-240 Hz
Output Frequency (V/f Control)	0-550 Hz
Efficiency η	0.99
Sound Pressure Level (1m)	68 dB
Physical Weight (kg)	64
Dimensions L x W x H (cm)	74.5 x 46.9 x 38.5

Industrial Applications

1. High-Power Conveyor Systems with Dynamic Loads

This drive is ideal for controlling large conveyor belts in manufacturing or logistics, where frequent starts, stops, and variable speeds are common. Its 90.0 kW rated power and 150% overload capability for 3 seconds ensure reliable operation even with sudden heavy loads or during acceleration phases.

Problem Solved

Ensures smooth, efficient, and safe handling of heavy materials with precise speed control and robust overload protection, preventing costly downtime and mechanical stress on the system.

90.0 kW Rated Power150% Overload CapacityVariable Speed ControlSafe Torque Off (STO)PROFINET-PN Communication

2. Industrial Pump and Fan Control in Process Plants

The SINAMICS G120C 90kW drive can efficiently regulate the speed of large pumps and fans in water treatment, HVAC, or chemical processing. Its 380-480V 3AC input and integrated Class A filter minimize electrical interference, while the IP20 rating makes it suitable for control cabinet integration in plant environments.

Problem Solved

Optimizes energy consumption for fluid and air handling systems by matching motor speed to demand, reducing wear on mechanical components, and providing robust, interference-free operation within a protected cabinet.

90.0 kW Rated Power380-480 V 3ACIntegrated Class A FilterIP20 ProtectionEnergy Efficiency

3. Machine Automation for Production Lines

Suitable for controlling various machines on a production line, such as mixers, extruders, or packaging machinery, requiring high power and precise motor synchronization. The 6 digital inputs, 2 digital outputs, 1 analog input, and 1 analog output, combined with PROFINET-PN connectivity, enable complex control sequences and seamless integration into automation networks.

Problem Solved

Provides precise and synchronized control of high-power machinery, facilitating complex automation tasks with reliable communication, adaptable I/O, and the crucial Safe Torque Off function for operator safety during interventions.

90.0 kW Rated PowerPROFINET-PN Communication6 DI, 2 DO, 1 AI, 1 AOSafe Torque Off (STO)Vector Control