Product User Manual
Operating Instructions, Version AE 12/2009, A5E01454341C
13
Safety Precautions and Warnings
1
The Siemens Perfect Harmony (PH) series of Medium Voltage (MV) Pulse Width Modulated
(PWM) Variable Frequency Drives (VFD) are designed with considerable thought to personal
safety. However, as with any piece of high power equipment, there are numerous internal
connections that present potentially lethal voltages. In addition, some internal components
are thermally hot to the touch. Follow the dangers, warnings and cautions listed in this
section when working in or near the VFD system.
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