Siemens Micromaster 420 or MM420 Drive – Find comprehensive resources for Siemens Micromaster 420 or MM420 Drive, including product catalogs, manuals, price list, programming guides, fault, alarm, warnings & software support. Get expert assistance for troubleshooting and optimization.

Siemens MICROMASTER 420 is a series of versatile frequency inverters designed for a wide range of industrial applications. Its modular construction provides flexibility, allowing users to adapt the drive to specific application requirements.
- Power rating: 0.12 kW to 11 kW
Features
- Variable Speed Control: The MICROMASTER 420 allows for precise control of the speed of three-phase AC induction motors.
- Modular Design: Its modular construction provides flexibility, allowing users to adapt the drive to specific application requirements.
- Ease of Use: It’s designed for relatively easy installation and commissioning, making it suitable for a variety of users.
- Protection Functions: The drive incorporates various protection functions to safeguard both the drive and the motor.
- Industrial Use: The MICROMASTER 420 is designed for industrial environments.
Specifications
Power ranges | 0.12 kW to 11 kW |
Voltage ranges | 1 AC 200 V to 240 V 3 AC 200 V to 240 V 3 AC 380 V to 480 V |
Control methods | V/f characteristic Multipoint characteristic (programmable V/f characteristic) FCC (flux current control) |
Process control | Internal PI controller |
Inputs | 3 digital inputs 1 analog input |
Outputs | 1 analog output 1 relay output |
Interfacing to automation system | The ideal partner for your automation tasks, whether with SIMATIC S7-200, SIMATIC S7-300/400 (TIA) or SIMOTION |
Additional features | BICO technology Compound braking for controlled rapid braking |
Siemens MICROMASTER 420 is a reliable and adaptable frequency inverter that provides effective motor control for a broad spectrum of industrial applications.