PRODUCT DESCRIPTION
SIEMENS 6SE9221-3DC40 - Frequency Inverter
This component is a SIEMENS MICROMASTER 420 series frequency inverter, designed for variable speed control of three-phase AC induction motors. It provides precise motor speed and torque regulation through V/f control and Flux Current Control (FCC) algorithms. This drive is suitable for general machinery applications including pumps, fans, conveyors, and basic material handling systems, integrating into industrial control architectures via standard communication protocols.
Technical Specifications:
- SERIES/FAMILY: MICROMASTER 420
- COMPONENT TYPE: Frequency Inverter
- ELECTRICAL SPECS:
- INPUT VOLTAGE: 3 AC 380-480V
- INPUT FREQUENCY: 50/60 Hz
- OUTPUT VOLTAGE: 3 AC 0-480V
- RATED OUTPUT POWER: 0.75 kW (1 HP)
- RATED OUTPUT CURRENT: 2.1 A
- OVERLOAD CAPACITY: 150% for 60 seconds, 200% for 3 seconds
- MECHANICAL/PHYSICAL:
- FORM FACTOR: Compact, cabinet-mountable module
- MOTOR TYPE COMPATIBILITY: Three-phase AC induction motors
- INTERFACE/CONTROL:
- CONTROL METHOD: V/f Control, Flux Current Control (FCC)
- COMMUNICATION PROTOCOL: USS protocol via RS485 (integrated), PROFIBUS DP (optional module)
- DIGITAL INPUTS: 3 (programmable)
- ANALOG INPUTS: 1 (0-10V or 0-20mA)
- DIGITAL OUTPUTS: 1 (relay)
- ANALOG OUTPUTS: 1 (0-20mA)
- ENVIRONMENTAL/MOUNTING:
- IP RATING: IP20
- COOLING METHOD: Forced air cooling (integrated fan)
- MOUNTING STYLE: Wall or cabinet mounting
- OPERATING TEMPERATURE: 0 to 50 degrees Celsius
- COMPATIBILITY/APPLICATION:
- TARGET SYSTEMS: Industrial machinery requiring variable speed control
- TYPICAL APPLICATIONS: Pumps, fans, compressors, conveyors, mixers, basic material handling