Name: Siemens SINAMICS G120C 15kW Compact Frequency Converter - INOSAKI
SKU: Siemens-6SL3210-1KE23-2AB1
Price: 900.84 USD
Availability: InStock

Technical Overview

Compact 3-phase 380-480V AC frequency converter with 15kW low overload rating, IP20, USS/MODBUS RTU, and Safe Torque Off.

Key Features

Compact design (Frame Size C).
Integrated Class A filter for EMC.
USS/MODBUS RTU communication protocol.
Multiple I/O interfaces: 6 digital inputs, 1 fail-safe digital input, 2 digital outputs (relay and transistor), 1 analog input, 1 analog output.
Safe Torque Off (STO) function to SIL 2.
V/f and Sensorless Vector Control modes.
Input voltage range 380-480V AC (3-phase).
IP20 / UL OPEN TYPE protection rating.
Motor temperature sensor input (PTC/KTY).

Technical Specification Matrix

Parameter	Value
Input Phases	3 AC
Input Line Voltage	380-480 V (+10% -20%)
Line Frequency	47-63 Hz
Output Phases	3 AC
Output Rated Voltage	400V IEC / 480V NEC
Rated Power (Low Overload - LO)	15.00 kW (20.00 hp)
Rated Power (High Overload - HO)	11.00 kW (15.00 hp)
Rated Current (LO)	31.00 A
Rated Current (HO)	25.00 A
Max. Output Current	50.00 A
Pulse Frequency	4 kHz
Output Frequency (Vector Control)	0-240 Hz
Output Frequency (V/f Control)	0-550 Hz
Overload Capability (LO)	150% base load current for 3s, then 110% for 57s in a 300s cycle
Overload Capability (HO)	200% base load current for 3s, then 150% for 57s in a 300s cycle
Power Factor λ	0.70-0.85
Offset Factor cos φ	0.95
Efficiency η	0.97
Sound Pressure Level (1m)	66 dB
Power Loss	371.0 W
Integrated Filter Class	Class A
Communication	USS/MODBUS RTU
Standard Digital Inputs	6
Fail-safe Digital Inputs	1
Digital Outputs (Relay)	1 (changeover contact)
Digital Outputs (Transistor)	1
Analog Inputs	1 (Differential input)
Analog Outputs	1 (Non-isolated)
Motor Temperature Sensor Input	1 (PTC/KTY interface)
Protection Rating	IP20 / UL OPEN TYPE
Physical Weight (kg)	5.5
Dimensions L x W x H (cm)	27 x 36.5 x 16

Industrial Applications

1. Conveyor Belt Systems

This drive is suitable for controlling the speed and torque of motors in industrial conveyor belt systems, facilitating precise material handling and process synchronization.

Problem Solved

Enables smooth acceleration and deceleration of heavy loads on conveyors, prevents material spillage, and allows for variable speed operation to match production demands, all while ensuring operational safety with STO.

Variable speed controlTorque regulation15 kW motor3-phase 400VSTOModbus RTUMaterial handling

2. Pump and Fan Control in HVAC Systems

Ideal for optimizing the performance of pumps and fans in large-scale Heating, Ventilation, and Air Conditioning (HVAC) systems by efficiently controlling motor speed.

Problem Solved

Reduces energy consumption by adjusting pump/fan speed based on demand (V/f control), minimizes mechanical stress during startup, and provides an integrated filter to maintain system EMC compliance in commercial or industrial buildings.

HVACVariable frequency driveV/f control15 kWEnergy efficiencyClass A filter400VPumpFan

3. Machine Tool Spindle Control (Non-precision)

Can be used for speed control of spindles in less demanding machine tool applications where high precision positioning feedback is not critical but robust speed and torque control are required.

Problem Solved

Provides reliable speed and torque control for cutting or grinding operations (up to 15 kW), allowing for adaptability to different materials and processes. The high overload capability handles momentary load changes during machining.

Spindle driveMachine toolsSensorless vector control11-15 kWHigh overload400VIndustrial automation