Siemens SINAMICS G120XA 5.5kW Frequency Converter

USD 201.34

Robust 5.5kW 3-phase AC converter, 380-440V input, 4kHz pulse frequency, IP20 rated. Features sensorless vector and V/f control for motors.

SKU Siemens-6SL3220-1YD22-0UB0 Category
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Siemens SINAMICS G120XA 5.5kW Frequency Converter

Model Identifier SINAMICS G120XA
Official Part Number 6SL3220-1YD22-0UB0
GTIN Standard 4042948679500

Technical Overview

Robust 5.5kW 3-phase AC converter, 380-440V input, 4kHz pulse frequency, IP20 rated. Features sensorless vector and V/f control for motors.

Key Features

  • 3-phase 380-440V AC input, 5.50 kW output power
  • Supports vector control (0-240 Hz) and V/f control (0-550 Hz)
  • Overload capability of 110% base load for 60 seconds in a 600-second cycle
  • Integrated fan for efficient air cooling
  • IP20 / UL open type degree of protection
  • 6 standard digital inputs, 4 digital relay outputs, 2 differential analog/digital inputs, 2 non-isolated analog outputs
  • Built-in support for PTC, KTY, PT1000, and Thermo-Click motor temperature sensors
  • Communication via USS, Modbus RTU, and BACnet MS/TP protocols
  • High efficiency of 0.97 and power factor up to 0.99
  • Compact design with a net weight of 5.6 kg

Integrated sensorless vector and V/f control for precise 5.5 kW motor regulation with 110% overload capability.

Technical Specification Matrix

ParameterValue
Input Number of phases3 AC
Input Line voltage380 ... 440 V +10 % -20 %
Input Line frequency47 ... 63 Hz
Input Rated current (LO)11.50 A
Output Number of phases3 AC
Output Rated voltage400 V
Output Rated power IEC 400V (LO)5.50 kW
Output Rated current 400V (IN)12.50 A
Output Rated current 380V (IN)12.50 A
Output Rated current (LO)12.50 A
Output Max. output current13.80 A
Output Pulse frequency4 kHz
Output frequency for vector control0 ... 240 Hz
Output frequency for V/f control0 ... 550 Hz
Overload capability Low Overload (LO)110% base load current IL for 60 s in a 600 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 Number0
Digital outputs Number as relay changeover contact4
Digital outputs Output (resistive load)DC 30 V, 1.0 A
Digital outputs Number as transistor0
Analog / digital inputs Number2 (Differential input)
Analog / digital inputs Resolution12 bit
Switching threshold as digital input 0->14 V
Switching threshold as digital input 1->01.6 V
Analog outputs Number2 (Non-isolated output)
PTC/KTY interface1 motor temperature sensor input, sensors that can be connected: PTC, KTY, PT1000 and Thermo-Click, accuracy ±5 °C
Power factor λ0.75 ... 0.93
Power factor cos φ 10.99
Efficiency η0.97
Sound pressure level (1m)63 dB
Power loss0.179 kW
Filter class (integrated)Unfiltered
EMC category (with accessories)without
Safety function "Safe Torque Off"without SIRIUS device (e.g. via S7-1500F)
CommunicationUSS, Modbus RTU, BACnet MS/TP
V/f linear / square-law / parameterizableYes
V/f with flux current control (FCC)Yes
V/f ECO linear / square-lawYes
Sensorless vector controlYes
Vector control, with sensorNo
Encoderless torque controlYes
Torque control, with encoderNo
Standard board coating typeClass 3C2, according to IEC 60721-3-3: 2002
CoolingAir cooling using an integrated fan
Cooling air requirement0.009 m³/s (0.325 ft³/s)
Installation altitude1,000 m (3,280.84 ft)
Operation Ambient temperature-20 ... 60 °C (-4 ... 140 °F)
Transport Ambient temperature-40 ... 70 °C (-40 ... 158 °F)
Storage Ambient temperature-40 ... 70 °C (-40 ... 158 °F)
Relative humidity Max. operation95% At 40 °C (104 °F), condensation and icing not permissible
Signal cable Conductor cross-section0.15 ... 1.50 mm² (AWG 24 ... AWG 16)
Line side Versionscrew-type terminal
Line side Conductor cross-section1.50 ... 6.00 mm² (AWG 16 ... AWG 10)
Motor end VersionScrew-type terminals
Motor end Conductor cross-section1.50 ... 6.00 mm² (AWG 16 ... AWG 10)
PE connectionOn housing with M4 screw
Max. motor cable length Shielded150 m (492.13 ft)
Max. motor cable length Unshielded300 m (984.25 ft)
Degree of protectionIP20 / UL open type
Frame sizeFSB
Compliance with standardsCE, EAC, RCM, ROHS II
CE markingEMC Directive 2004/108/EC, Low-Voltage Directive 2006/95/EC
Efficiency classIE2
Comparison with the reference converter (90% / 100%)35.4%
Physical Weight (kg)5.6
Dimensions L x W x H (cm)20.9 x 10 x 27.5

Industrial Applications

1. Precise Speed Control for Industrial Conveyors

The SINAMICS G120XA drive provides accurate and reliable speed control for conveyor belt systems in manufacturing and logistics. Its 5.5 kW output and V/f control capabilities enable smooth acceleration and deceleration, preventing product damage and optimizing material flow.

Problem Solved

Eliminates jerky starts/stops and enables variable speed operation, reducing wear on mechanical components and improving overall system efficiency in material handling.

variable frequency drivematerial handlingV/f controlconveyor automationmotor speed regulation

2. Energy-Efficient HVAC System Management

This AC converter is ideal for managing the speed of fans and pumps in HVAC systems for commercial buildings or industrial facilities. The 5.5 kW power rating and 0.97 efficiency contribute to significant energy savings by adjusting motor speed to meet demand, rather than operating at full capacity.

Problem Solved

Reduces energy consumption and operational costs in HVAC systems by enabling demand-driven fan and pump operation, while minimizing noise and mechanical stress.

HVAC optimizationpump controlfan controlenergy efficiencydemand-driven operation

3. Dynamic Motor Control for Textile Production

The SINAMICS G120XA is suitable for integrating into textile machinery requiring precise and dynamic motor control, such as spinning machines or looms. Its vector control capabilities (0-240 Hz) and temperature sensor inputs ensure optimal performance and protection for critical motor processes.

Problem Solved

Provides fine-tuned control over motor speed and torque, crucial for maintaining consistent fabric quality and preventing material breakage during high-speed textile manufacturing processes.

textile machineryvector controlmotor protectionprocess controlmanufacturing automation
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