6EP1333-3BA10

In PLC Systems (System Power Supply – PS): The module is typically a System Power Supply (PS) or a Load Power Supply (PM). Its primary role is to convert the incoming line voltage (AC or DC) into the stabilized operating voltages required by the internal backplane bus, the CPU electronics, and sometimes the I/O module circuitry ($24VDC$). It provides the necessary power integrity and electrical isolation for the reliable function of the entire automation rack.

In Drive Systems (Drive Power Module – PM): The module is the power section of a modular variable speed drive system (like SINAMICS). Its function is to convert the incoming line voltage (AC) into a controlled DC bus voltage, and then use integrated insulated-gate bipolar transistors (IGBTs) to generate the variable voltage and frequency output required to control a motor with high precision.