Siemens MICROMASTER 420 - Manual (Page 20)

1 Overview Issue 07/04
MICROMASTER 420 Operating Instructions
20 6SE6400-5AA00-0BP0
Protection characteristics
Overvoltage/undervoltage protection
Overtemperature protection for the inverter
Ground fault protection
Short-circuit protection
i 2 t thermal motor protection
PTC for motor protection
Options
Refer to Chapter 6