The 6SL3353-1AE34-2DA1 is a power interface module/rectifier module from the Siemens SINAMICS S120 drive system series, belonging to the replaceable power supply unit category.
It operates under 380-480V three-phase AC power, with a rated current of 420A and a frequency of 50-60Hz. Its main function is to rectify AC power into DC power, providing a stable DC bus voltage for subsequent motor modules (inverter modules). Originally from Germany, this product is widely used in high-performance drive systems in industrial automation fields such as metallurgy and machinery manufacturing.
100% Original & Authentic In-Stock & Fast Shipping Expert Technical Support 12-Month Warranty
Frequently Asked Questions
Q: What precautions should be taken when using this module on a frequency converter cabinet that has not been powered on for more than 5 years?
A: This module is part of the SINAMICS S120 drive system. If the frequency converter cabinet has not been powered on for a long period (e.g., 5 years), the capacitors will age, and direct power-on may damage the module. Capacitor desealing (pre-charging) must be performed first: It is recommended to connect light bulbs (e.g., three 95W bulbs) in series on the DC bus for current-limited charging, monitoring the DC bus voltage until it stabilizes at approximately 1.35 times the incoming line voltage, and then power on normally.
Q:How to debug the SIMOTION D425 control unit that works with this module using software?
A: Note that the SIMOTION D series differs from the standard CU320; projects cannot be directly uploaded using the STARTER software via the "search node" method. The correct method is:
Connect the D425 via Ethernet to its X120 or X130 port.
Use SCOUT software (not STARTER) for debugging.
The Drive-CLiQ ports (X100-X103) are used to connect the power module and motor module and cannot be used for software searching.
Q: Which control units is this module compatible with?
A: This module (6SL3353-1AE34-2DA1), as the rectifier unit of the SINAMICS S120 drive system, is compatible with the following control units:
SIMOTION D425 (6AU1425-0AA00-0AA0) – Motion control dedicated
CU320-2 DP (6SL3040-1MA00-0AA0) – Standard drive control
Connect via the Drive-CLiQ interface, supporting fiber optic/network cable communication.
