Siemens MicroMaster 430 VFD user manual describing technical data, control features, optional accessories and energy‑saving operation for fan and pump loads.
This manual introduces the Siemens MicroMaster 430 industrial variable frequency drive, a dedicated solution for fan and pump applications as well as building HVAC. It covers the drive’s technical specifications, control methods, safety functions and optional accessories, and explains how the device improves energy efficiency and system performance.
The document also presents the SED‑2 series for building HVAC, detailing its IP‑rating, communication options and software features. Practical information on installation, motor start‑stop control, PID integration and fault detection is provided to help engineers and technicians configure and maintain the drives in real‑world installations. This manual is written in Chinese.
| Power range | 7.5 kW ~ 250 kW |
|---|---|
| Supply voltage | 380 V ~ 480 V ± 10 % |
| Input frequency | 47 Hz ~ 63 Hz |
| Output frequency | 0 Hz ~ 650 Hz |
| Power factor | 0.98 |
| Overload capacity | 140 % for 3 s |
| Pulse modulation frequency | 2 kHz ~ 16 kHz |
| Digital inputs | 6 programmable DI with isolation |
| Protection level (MicroMaster 430) | IP20 |
| Protection level (SED‑2) | IP20/IP54 |
The MicroMaster 430 supports a power range from 7.5 kW up to 250 kW.
It provides six programmable digital inputs with isolation and PNP/NPN wiring.
The SED‑2 series is available with IP20 and IP54 protection levels.
Yes, the drive can disconnect the motor when there is no load to reduce energy consumption.