Variable Speed Drive Solution – Siemens 6SL3210-1NE31-1UL0 | SINAMICS S120
Where This Product Is Used
The Siemens 6SL3210-1NE31-1UL0 is a SINAMICS S120 PM340 Power Module rated at 11 kW, designed for demanding industrial variable-speed drive applications. It is widely deployed in:
- Conveyor & Material Handling Systems – precise speed regulation for belt conveyors, roller tables, and palletizers in automotive and logistics facilities.
- Pump & Fan Drives – energy-efficient flow control in HVAC, water treatment, and process industries, replacing throttle valves to cut energy consumption by up to 50%.
- Compressor Drives – soft-start and variable-speed operation for screw and centrifugal compressors in oil & gas and chemical plants.
- Machine Tool & CNC Spindle Drives – high dynamic response for milling, turning, and grinding machines requiring rapid acceleration/deceleration.
- Textile & Printing Machinery – synchronized multi-axis tension control in winding, unwinding, and printing lines.
- Crane & Hoist Applications – controlled lifting and lowering with integrated brake chopper support.
- Packaging Lines – coordinated motion for filling, sealing, and labeling machines.
Technical Specifications
| Parameter | Value |
|---|---|
| Siemens Part Number | 6SL3210-1NE31-1UL0 |
| Product Family | SINAMICS S120 |
| Module Type | PM340 Power Module (Blocksize) |
| Rated Output Power | 11 kW (15 HP) |
| Input Voltage | 3 AC 380 – 480 V (±10%) |
| Input Frequency | 47 – 63 Hz |
| Output Current (Base Load) | 25.0 A |
| Output Current (High Overload) | 31.0 A (60 s / 300 s cycle) |
| Overload Capability | 150% for 60 s (High Overload mode) |
| Switching Frequency | 4 kHz (default); adjustable up to 16 kHz |
| Protection Degree | IP20 |
| Cooling Method | Forced air cooling (internal fan) |
| Ambient Temperature | 0 °C to +40 °C (derating above 40 °C) |
| Storage Temperature | -40 °C to +70 °C |
| Relative Humidity | ≤ 95% (non-condensing) |
| Installation Altitude | Up to 1000 m (derating above) |
| Weight | Approx. 2.6 kg |
| Dimensions (W × H × D) | Blocksize format – refer to Siemens SINAMICS S120 Manual |
| DC Link Voltage | Approx. 540 – 680 V DC |
| Brake Chopper | Integrated |
| Control Interface | DRIVE-CLiQ (for CU310-2 or CU320-2 Control Unit) |
Why Engineers Specify This Model
- Integrated Brake Chopper – eliminates the need for an external braking unit in most applications, reducing panel space and BOM cost.
- DRIVE-CLiQ Interface – plug-and-play digital communication with Siemens S120 Control Units; automatic parameter identification (electronic nameplate) reduces commissioning time.
- High Overload Capacity (150% / 60 s) – handles demanding start-up torque requirements without oversizing the drive.
- Compact Blocksize Format – optimized footprint for control cabinet integration; supports through-panel (push-through) mounting for heat dissipation outside the cabinet.
- Wide Input Voltage Range (380–480 V ±10%) – compatible with global 3-phase power grids without additional transformers.
- Scalable Architecture – part of the modular SINAMICS S120 platform; easily expanded with additional axes, safety modules (STO, SS1, SLS), and communication options (PROFINET, PROFIBUS, EtherNet/IP).
- Energy Recovery Ready – when paired with an Active Line Module, enables regenerative energy feedback to the grid.
Complete System Bill of Materials
A fully operational SINAMICS S120 drive system using the 6SL3210-1NE31-1UL0 typically requires:
- Power Module: 6SL3210-1NE31-1UL0 (this unit)
- Control Unit: 6SL3040-1MA01-0AA0 (CU310-2 PN) or 6SL3040-1LA01-0AA0 (CU310-2 DP)
- Operator Panel (optional): 6SL3055-0AA00-4BA0 (BOP20)
- Line Filter (optional, EMC Class C2): 6SL3203-0BE21-6SA0
- Line Reactor (recommended): 6SL3203-0CE21-0AA0
- Braking Resistor (if required): 6SE6400-4BD22-2CA0 or equivalent
- DRIVE-CLiQ Cable: 6FX2002-1DC00 series (specify length)
- Motor (example): Siemens 1LE1 or 1PH8 series, 11 kW, matched to drive rating
- Motor Encoder Cable: 6FX2002-2EQ10 series (if encoder feedback required)
Contact Konmask for complete system configuration and compatibility verification.
Compliance & Industry Standards
- CE Marking – compliant with EU Low Voltage Directive (2014/35/EU) and EMC Directive (2014/30/EU)
- UL Listed – UL 508C (Power Conversion Equipment)
- cUL – Canadian market compliance
- RoHS – Restriction of Hazardous Substances compliant
- IEC 61800-5-1 – Adjustable speed electrical power drive systems – Safety requirements
- IEC 61800-3 – EMC requirements for drive systems
- EN 55011 / CISPR 11 – Industrial, scientific, and medical equipment EMC
Quality Assurance & Sourcing
At Konmask.com, every unit of the 6SL3210-1NE31-1UL0 is subject to our multi-point quality protocol:
- ✅ Authenticity Verification – serial number and date code cross-referenced against Siemens production records where applicable.
- ✅ Visual & Mechanical Inspection – housing, connectors, labels, and firmware version checked against OEM specifications.
- ✅ Functional Pre-shipment Test – power-on and communication interface verification performed before dispatch.
- ✅ Traceable Supply Chain – sourced from authorized distributors, certified resellers, or verified industrial surplus with full documentation.
- ✅ Secure Packaging – ESD-safe anti-static packaging with foam cushioning; original Siemens box retained where available.
How to Source This Part
- Add to Cart – click the purchase button above to place your order directly.
- Request a Quote – for bulk orders (5+ units), OEM projects, or urgent requirements, email [email protected] for a dedicated quotation within 24 hours.
- Technical Pre-Sales Consultation – unsure if this module fits your application? Our engineers will review your motor nameplate data, load profile, and control architecture before you commit.
- Lead Time – in-stock units ship within 1–3 business days. Out-of-stock items are sourced within 7–15 business days depending on global availability.
- Export & Customs – we handle export documentation (commercial invoice, packing list, COO) for international shipments. HS Code: 8504.40 (static converters).
Application-Specific FAQ
Q: Can the 6SL3210-1NE31-1UL0 operate as a standalone drive without a separate Control Unit?
A: No. The PM340 Power Module requires a dedicated Control Unit (e.g., CU310-2) connected via DRIVE-CLiQ. It cannot operate independently without a CU.
Q: Is the integrated brake chopper sufficient for crane/hoist applications?
A: For light-duty hoists with short braking cycles, the integrated chopper is adequate when paired with an appropriately sized external braking resistor. For heavy-duty or continuous braking duty, consult Siemens sizing tools or contact Konmask engineering.
Q: What motor types are compatible?
A: The PM340 supports induction motors (V/f and vector control) and synchronous motors (with encoder feedback via SMx sensor module). It is not designed for permanent magnet servo motors requiring high-dynamic torque control — use a Motor Module in that case.
Q: Can I use this module on a 220 V single-phase supply?
A: No. The 6SL3210-1NE31-1UL0 requires a 3-phase 380–480 V AC supply. Single-phase or 220 V operation is not supported.
Q: What is the difference between Base Load (BL) and High Overload (HO) ratings?
A: Base Load (25 A) is for applications with low overload requirements such as pumps and fans. High Overload (31 A / 150% for 60 s) is for applications requiring high starting torque such as conveyors and compressors. Select the appropriate mode during commissioning via STARTER or TIA Portal.
Q: Is PROFINET communication available on this module?
A: Communication protocols (PROFINET, PROFIBUS, EtherNet/IP) are determined by the Control Unit, not the Power Module. Pair with CU310-2 PN for PROFINET or CU310-2 DP for PROFIBUS.
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