Siemens 6SE6420-2UC11-2AA1

Siemens 6SE6420-2UC11-2AA1 Micromaster

The Siemens 6SE6420-2UC11-2AA1 is part of the MICROMASTER 420 series, designed for versatile control of three-phase AC motors in various industrial applications. Known for its flexibility, reliability, and energy efficiency, it is ideal for tasks such as controlling pumps, fans, compressors, and conveyors.

Specifications

• Control Modes:
  • V/F (Volts per Frequency) Control
  • Sensorless Vector Control
• Overload Capability:
  • 150% of rated current for 60 seconds
• Protection Rating: IP20 (open type)
• Ambient Conditions:
  • Operating Temperature: -10°C to 50°C
  • Storage Temperature: -40°C to 70°C
• Display: Integrated LED for status and parameter adjustments
• Communication: Expandable with modules like PROFIBUS and Modbus

Features

1. Efficient Motor Control: Precise speed and torque regulation using V/F or sensorless vector control.
2. Energy-Saving Operation: Reduces energy consumption in variable load applications.
3. Compact Design: Fits easily into space-constrained control panels.
4. Built-In Protection: Safeguards against overcurrent, overvoltage, undervoltage, and overheating.
5. User-Friendly Setup: Pre-configured parameters simplify installation and operation.
6. Expandability: Compatible with communication modules for seamless automation integration.
7. Reliability: Robust design ensures consistent performance under challenging conditions.
8. Dynamic Frequency Range: Wide output frequency range of up to 650 Hz supports diverse motor types and applications.

How It Works

The Siemens 6SE6420-2UC11-2AA1 inverter converts a fixed-frequency AC input into a variable-frequency output to control the speed and torque of connected three-phase AC motors. It operates in two primary modes:

• V/F Control: Adjusts motor voltage and frequency proportionally for stable performance.
• Sensorless Vector Control: Enhances motor efficiency and response for demanding applications.

Its built-in protections and diagnostic capabilities ensure safe operation, preventing damage due to electrical faults or environmental conditions. The inverter’s modular design allows for easy integration into existing systems, making it a reliable solution for industries focused on energy efficiency and operational excellence.