PRODUCT DESCRIPTION
SIEMENS 6SE7021-0EA81 - Frequency Converter
The SIEMENS MASTERDRIVES MC Compact PLUS 6SE7021-0EA81 is a three-phase AC/AC frequency converter engineered for precise speed and torque control of induction and synchronous motors in industrial motion control applications. This unit utilizes advanced vector control technology, enabling high dynamic performance for tasks such as machine tools, printing presses, and robotics. It integrates into complex automation architectures, providing robust motor regulation for demanding production environments.
Technical Specifications:
- SERIES/FAMILY: SIEMENS MASTERDRIVES MC Compact PLUS
- COMPONENT TYPE: Frequency Converter (AC/AC Drive)
- ELECTRICAL SPECS:
- INPUT VOLTAGE: 3AC 380-480V
- OUTPUT VOLTAGE: 3AC 0-480V
- INPUT FREQUENCY: 50/60 Hz
- OUTPUT FREQUENCY: 0-600 Hz
- RATED OUTPUT CURRENT: 8.1 A
- RATED OUTPUT POWER: 3.0 kW (Constant Torque)
- PHASE: Three-phase
- MECHANICAL/PHYSICAL:
- FORM FACTOR: Chassis unit for panel mounting
- MOUNTING: Panel mount
- COOLING: Integrated forced air cooling
- INTERFACE/CONTROL:
- CONTROL METHOD: Vector control (open-loop or closed-loop with optional encoder feedback)
- COMMUNICATION: USS protocol, PROFIBUS DP (via optional module), Digital and Analog I/O
- FEEDBACK: Encoder interface via optional module for closed-loop operation
- ENVIRONMENTAL/MOUNTING:
- IP RATING: IP20
- COOLING METHOD: Forced air cooling
- MOUNTING STYLE: Wall/Panel mount
- COMPATIBILITY/APPLICATION:
- TARGET SYSTEMS: Integrated into SIMATIC automation environments
- MACHINE TYPES: Machine tools, printing machinery, textile equipment, packaging systems, material handling, robotics, and general industrial motion control applications