Details

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Siemens MICROMASTER 420 (MM420) AC inverter with a power rating of 0.25 kW (approximately 1/3 HP), designed for single-phase 230V input power to drive a three-phase motor. It features a built-in Class A EMC filter and an IP20 protection rating, making it suitable for industrial automation applications requiring reliable motor control. 
Key Specifications: 

• Brand: Siemens
• Model: MICROMASTER 420
• Power: 0.25 kW (230V, 1-phase input to 3-phase output)
• Input Voltage: 200-240V AC
• Output: Drives three-phase motors from a single-phase input
• Filter: Includes a built-in Class A EMC filter
• Protection Rating: IP20 (protects against solid objects larger than 12.5 mm, such as fingers)
• Application: Used in industrial automation for reliable performance and motor control

Features & Functions: 

• Simple to commission: The drive is designed to be easy to set up, with factory-set defaults.
• Quiet operation: A selectable switching frequency helps to reduce motor noise.
• Modularity: The design is modular, allowing for external options like operator panels or communication modules.
• Motor Control: Features flux current control (FCC) for dynamic performance and closed-loop control using a PI controller.
• Protection Functions: Includes comprehensive protections for the motor, such as over-temperature and short-circuit protection.