Siemens 6SL3353-3AG36-8BA0 Motor Module

Siemens 6SL3353-3AG36-8BA0 — Stop the Clock on Your Downtime

Your line is down. Every minute the SINAMICS S120 axis sits dead costs you production, penalties, and credibility. The 6SL3353-3AG36-8BA0 is a Booksize Motor Module rated at 680 A output current on a 600 V DC shared bus — a high-power axis driver that, when it fails, takes the entire machine with it. We stock it. We ship it today. From Xiamen to your dock in 48–72 hours via DHL Express or FedEx Priority.

No waiting on Siemens lead times. No distributor back-order queues. One call, one tracking number, one less crisis.

URGENT REQUIREMENT? Contact: [email protected] | WhatsApp: +86 18359268345

Quick Technical Datasheet

Troubleshooting & Replacement Tips

After ten years of field work on S120 Booksize cabinets, these are the failure patterns and swap pitfalls that actually matter:

Common Fault Codes on a Failing 6SL3353-3AG36-8BA0:

• F30001 / F30002 — DC bus overvoltage or undervoltage. Before condemning the Motor Module, verify the Active Line Module (ALM) is regulating correctly. A failing ALM will kill a new Motor Module within hours.
• F30021 — Ground fault on the motor output. Megger the motor cable and motor winding before installing the replacement. A shorted cable will blow the new IGBT bridge immediately.
• F30024 — Heatsink overtemperature. Check the internal fan — on high-hour units the fan bearing seizes before the power stage fails. Fan replacement is cheaper than a module swap.
• F07900 / A07901 — DRIVE-CLiQ communication fault. Often caused by a damaged CLiQ cable or a failed CLiQ port on the Control Unit, not the Motor Module itself. Swap the CLiQ cable first.
• F30052 — IGBT desaturation / short-circuit. This is a hard power stage failure. The module is unserviceable — replace it.

Step-by-Step Replacement Procedure:

1. Safe isolation first. Confirm DC bus voltage is below 50 V using a calibrated meter before touching any power terminals. The DC bus capacitors hold lethal charge for several minutes after mains disconnection.
2. Export parameters. Use STARTER or TIA Portal Startdrive to upload the full parameter set from the CU320-2 before removing the faulty module. Save to a project file — not just a RAM backup.
3. DRIVE-CLiQ topology note. The S120 Booksize system uses automatic component addressing via DRIVE-CLiQ. When you install the replacement module, the CU320-2 will detect a new component and assign it a Drive Object number. If the topology has changed (e.g., module position in the CLiQ chain), you must re-run the topology detection wizard in STARTER/Startdrive and re-assign the Drive Object to the correct axis.
4. Firmware matching. The replacement module must run the same firmware version as the rest of the S120 system. If the new unit ships with a different firmware, update it via STARTER before commissioning. Mismatched firmware between CU and Motor Module causes persistent F01105 faults.
5. Motor data re-identification. After replacement, run the motor data identification routine (p1910 = 1 for stationary ID, p1960 = 1 for rotating ID if safe to do so). Even with identical parameters, the new module’s current measurement offsets differ from the old unit.
6. Safety function recommissioning. If STO or other Safety Integrated functions are active, the safety parameters are checksummed. After module swap, you must re-accept the safety parameters (p9761 / p9762 acceptance test) and re-validate the safety function before releasing the machine to production.
7. First power-on. Bring up the DC bus slowly if a pre-charge circuit is available. Monitor r0026 (DC bus voltage) and r0027 (output current) in the trace function during the first test run.

One thing engineers miss every time: the Booksize Motor Module mounts on a shared DC bus bar. Inspect the bus bar contact surfaces and the module’s DC bus connector for arcing damage or corrosion before installing the replacement. A pitted contact point will cause intermittent F30001 faults on the new module and send you chasing a ghost fault.

Reliability in Harsh Conditions

The SINAMICS S120 Booksize platform was not designed for a climate-controlled server room. It was engineered for the floor — and the 6SL3353-3AG36-8BA0 reflects that.

The power stage uses Siemens-qualified IGBT modules with gate driver circuits designed to withstand the voltage transients common in heavy industrial environments — motor cable reflections, bus bar switching spikes, and ground loops from poorly bonded cable trays. The internal forced-air cooling system is rated for continuous duty at 40 °C ambient, with a thermal model that actively derates output current rather than tripping on overtemperature — keeping your process running at reduced capacity rather than shutting it down hard.

Vibration resistance meets IEC 60068-2-6 (sinusoidal) and IEC 60068-2-27 (shock) test profiles, making it suitable for press-room floors, compactor drives, and mobile equipment enclosures where cabinet vibration is a daily reality. The conformal-coated PCBs inside the control section resist condensation and airborne contaminants — relevant in food processing, paper mills, and coastal installations where humidity cycles are aggressive.

Every unit we ship has passed incoming inspection: visual check of the Siemens factory label and serial number, verification of the holographic security seal, and a functional power-on test. No remarked parts. No refurbished units sold as new. If it leaves our warehouse, it is original Siemens production stock.

Global Express Logistics

Our warehouse is located in Xiamen, Fujian, China — one of China’s primary export hubs with direct DHL, FedEx, and UPS gateway access. This is not a drop-ship arrangement. Stock is physically on our shelves.

Standard dispatch timeline:

• Order confirmed before 14:00 CST → same-day dispatch
• DHL Express Worldwide: 2–3 business days to Europe, Middle East, Southeast Asia
• FedEx International Priority: 2–4 business days to North America, Australia
• FedEx International Economy: 5–7 business days for cost-sensitive shipments

What’s included in every shipment:

• Commercial invoice with accurate HS code (8537.10) for customs clearance
• Packing list with serial number and unit weight
• ESD-safe packaging with desiccant — the module arrives in the same condition it left
• DHL/FedEx tracking number sent to your email within 2 hours of dispatch

For customers in the EU, we can provide a EUR.1 movement certificate or origin declaration on request. For customers in countries with import duty exemptions on industrial automation components, we will work with your customs broker to ensure correct tariff classification. We have shipped to over 40 countries. Customs delays are rare; when they occur, we provide all documentation needed to resolve them quickly.

If your plant is down and you need the module on a specific date, contact us directly. We will confirm the latest possible order cutoff to meet your deadline and select the carrier accordingly.

Contact Information

📧 Email: [email protected]
💬 WhatsApp: +86 18359268345
🌐 Web: siemensplc.com

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