Siemens SINAMICS G120C 132kW Variable Frequency Drive

USD 5,330.86

Three-phase 380-480V VFD, 132kW (LO) / 110kW (HO), IP20, integrated fan cooling, 6 digital inputs, USS/MODBUS RTU communication. Offers 0-550 Hz V/f control.

SKU Siemens-6SL3210-1KE32-4AB1 Category
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Siemens SINAMICS G120C 132kW Variable Frequency Drive

Model Identifier SINAMICS G120C
Official Part Number 6SL3210-1KE32-4AB1
GTIN Standard 4042948676158

Technical Overview

Three-phase 380-480V VFD, 132kW (LO) / 110kW (HO), IP20, integrated fan cooling, 6 digital inputs, USS/MODBUS RTU communication. Offers 0-550 Hz V/f control.

Key Features

  • 3-phase 380-480V input voltage
  • Max. output current of 402.00 A
  • 132.00 kW (LO) / 110.00 kW (HO) rated power
  • Integrated fan for air cooling
  • IP20 / UL open type degree of protection
  • 6 standard digital inputs, 1 fail-safe digital input
  • 1 relay changeover contact and 1 transistor digital output
  • 1 differential analog/digital input with 10-bit resolution
  • 1 non-isolated analog output
  • PTC/KTY motor temperature sensor interface
  • Supports V/f control (linear/square-law/parameterizable) and sensorless vector control
  • USS/MODBUS RTU communication protocol
  • Max. motor cable length: 300m (shielded), 450m (unshielded)
  • FSF frame size
  • Compliant with CE, cUL, UL, KC, EAC, C-Tick (RCM) standards

High-Power 132kW (LO) Variable Frequency Drive with Integrated Fan Cooling

Technical Specification Matrix

ParameterValue
Input Number of phases3 AC
Input Line voltage380 ... 480 V +10% -20%
Input Line frequency47 ... 63 Hz
Input Rated current (LO)221.00 A
Input Rated current (HO)207.00 A
Output Number of phases3 AC
Output Rated voltage400V IEC / 480V NEC
Output Rated power (LO)132.00 kW (150.00 hp)
Output Rated power (HO)110.00 kW (125.00 hp)
Output Rated current (LO)237.00 A
Output Rated current (HO)201.00 A
Output Rated current (IN)237.00 A
Output Max. output current402.00 A
Output Pulse frequency4 kHz
Output frequency for vector control0 ... 240 Hz
Output frequency for V/f control0 ... 550 Hz
Low Overload (LO) capability150% base load current IL for 3 s, then 110% IL for 57 s in a 300 s cycle time
High Overload (HO) capability200% base load current IH for 3 s, then 150% IH for 57 s in a 300 s cycle time
Standard digital inputs Number6
Standard digital inputs Switching level: 0→111 V
Standard digital inputs Switching level: 1→05 V
Standard digital inputs Max. inrush current15 mA
Fail-safe digital inputs Number1
Digital outputs Number as relay changeover contact1
Digital outputs Output (resistive load) relayDC 30 V, 0.5 A
Digital outputs Number as transistor1
Digital outputs Output (resistive load) transistorDC 30 V, 0.5 A
Analog / digital inputs Number1 (Differential input)
Analog / digital inputs Resolution10 bit
Switching threshold as digital input 0-14 V
Switching threshold as digital input 1-01.6 V
Analog outputs Number1 (Non-isolated output)
PTC/KTY interface1 motor temperature sensor input (PTC, KTY, Thermo-Click), accuracy ±5 °C
V/f linear / square-law / parameterizable controlYes
V/f with flux current control (FCC)Yes
V/f ECO linear / square-lawYes
Sensorless vector controlYes
Vector control, with sensorNo
Encoderless torque controlNo
Torque control, with encoderNo
Power factor λ0.90 ... 0.95
Offset factor cos φ0.99
Efficiency η0.99
Sound pressure level (1m)68 dB
Power loss2,920.0 W
Filter class (integrated)Class A
Communication protocolUSS/MODBUS RTU
Cooling methodAir cooling using an integrated fan
Cooling air requirement0.153 m³/s (5.403 ft³/s)
Installation altitude1,000 m (3,280.84 ft)
Operation temperature-20 ... 40 °C (-4 ... 104 °F)
Transport temperature-40 ... 70 °C (-40 ... 158 °F)
Storage temperature-25 ... 55 °C (-13 ... 131 °F)
Max. operation relative humidity95% RH, condensation not permitted
Signal cable conductor cross-section0.15 ... 1.50 mm² (AWG 24 ... AWG 16)
Line side connection versionscrew-type terminal
Line side conductor cross-section35.00 ... 120.00 mm² (AWG 2 ... AWG -3)
Motor end connection versionscrew-type terminals
Motor end conductor cross-section35.00 ... 120.00 mm² (AWG 2 ... AWG -3)
DC link (for braking resistor) versionscrew-type terminals
DC link (for braking resistor) conductor cross-section35.00 ... 120.00 mm² (AWG 2 ... AWG -3)
Max. line length10 m (32.81 ft)
PE connection typeScrew-type terminals
Max. motor cable length shielded300 m (984.25 ft)
Max. motor cable length unshielded450 m (1,476.38 ft)
Degree of protectionIP20 / UL open type
Frame sizeFSF
Compliance with standardsCE, CUL, UL, KC, EAC, C-Tick (RCM)
CE marking directivesEMC Directive 2004/108/EC, Low-Voltage Directive 2006/95/EC
Efficiency classIE2
Physical Weight (kg)66
Dimensions L x W x H (cm)76 x 40 x 58.5

Industrial Applications

1. Conveyor Belt System for Heavy Material Transport

The SINAMICS G120C drive, with its high rated power of 132.00 kW and robust overload capabilities (150% for 3s, 110% for 57s), is ideal for controlling large motors in heavy-duty conveyor systems. Its precise V/f control (0-550 Hz) ensures smooth acceleration and deceleration of materials, minimizing wear and tear on mechanical components.

Problem Solved

Efficiently manages the high torque demands and frequent starts/stops of heavy-load conveyor belts, preventing motor strain and ensuring consistent material flow.

Heavy-duty conveyinghigh torqueV/f controlmotor protectionmaterial handling132kW motor

2. Industrial Pumping Stations for Water and Wastewater Treatment

This drive's ability to handle high output currents up to 402.00 A and operate in ambient temperatures from -20 to 40 °C makes it suitable for critical pumping applications. The integrated motor temperature sensor input (PTC/KTY) allows for proactive thermal management, crucial for preventing overheating in continuously operating pump motors.

Problem Solved

Provides reliable and efficient speed control for large pumps, optimizing energy consumption while protecting motors from thermal stress in demanding industrial environments.

Industrial pumpswastewater treatmentvariable speed pumpthermal managementenergy optimization402A output current

3. Large-Scale HVAC Fan Control in Commercial Buildings

The G120C's 110.00 kW (HO) power rating and high efficiency (η = 0.99) are perfectly suited for controlling powerful fans in large HVAC systems. The integrated Class A filter minimizes harmonic distortion, and its USS/MODBUS RTU communication allows for seamless integration into building management systems (BMS) for centralized control and monitoring.

Problem Solved

Enables precise and energy-efficient control of large ventilation fans, reducing operational costs and ensuring optimal air quality and climate control through BMS integration.

HVAC systemslarge fansenergy efficiencyharmonic filteringBMS integrationMODBUS RTU
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