The Siemens 6SL3130-7TE25-5AA3 is a high-performance Active Line Module (ALM) within the SINAMICS S120 drive system, engineered to deliver regenerative energy feedback, ultra-low harmonic distortion, and precise DC bus voltage regulation across demanding industrial production environments. Unlike conventional rectifier units, this module actively returns braking energy to the supply grid, supporting earlier maintenance decisions and reducing unplanned downtime risk.
Product Specification Table
| Parameter |
Specification |
| SKU / Order Number |
6SL3130-7TE25-5AA3 |
| Brand / Series |
Siemens / SINAMICS S120 |
| Module Type |
Active Line Module (ALM) — Regenerative Infeed |
| Rated Power |
55 kW |
| Input Voltage |
3-phase AC 380–480 V ±10% |
| DC Bus Output Voltage |
~600–720 V DC (regulated) |
| Power Factor |
≈ 1.0 (active front-end, near-unity PF) |
| THD (Total Harmonic Distortion) |
< 5% (with line filter) |
| Regenerative Feedback |
Yes — braking energy returned to grid |
| Compatible Systems |
SINAMICS S120 Booksize / Chassis, SINUMERIK 840D sl, SIMOTION D |
| Communication Interface |
DRIVE-CLiQ |
| Protection Rating |
IP20 |
| Ambient Temperature |
0 °C to +40 °C (derated to +55 °C) |
| Energy Saving Value |
Regenerative infeed reduces net grid draw by up to 30% in braking-intensive cycles |
| Warranty |
warranty terms confirmed during quotation — tested before shipment |
System Compatibility and Application
In a fully optimized SINAMICS S120 drive train, the 6SL3130-7TE25-5AA3 Active Line Module serves as the energy gateway between the supply grid and the shared DC bus. It works in close coordination with Motor Modules such as the 6SL3120-1TE23-0AA3 (Single Motor Module) and 6SL3120-2TE21-8AA3 (Double Motor Module), which draw regulated DC power to drive servo or induction motors with high dynamic response. The DRIVE-CLiQ backbone — the same high-speed communication protocol used by the Control Unit 6SL3040-1MA01-0AA0 (CU320-2 DP) — enables real-time energy state reporting across all connected axis modules without additional wiring overhead.
On the sensing and monitoring side, the Siemens SENTRON PAC3200 power monitoring device can be integrated upstream of the ALM to log grid-side current, voltage, and power factor in real time, providing the data foundation for ISO 50001 maintenance planning compliance. When paired with the SINAMICS S120 Smart Line Module 6SL3130-6AE21-0AA0 in parallel infeed configurations, the system can dynamically balance load across multiple drive groups, preventing peak demand spikes that inflate energy tariffs.
For motion control applications running under SIMOTION D or SINUMERIK 840D sl, the ALM’s near-unity power factor and low harmonic output protect sensitive CNC interpolation cycles from voltage disturbances. The SINAMICS S120 Control Unit CU310-2 PN (6SL3210-1PE21-1UL0) handles single-axis infeed-and-drive configurations where the 6SL3130-7TE25-5AA3 supplies the DC bus for a compact servo axis, reducing cabinet footprint while maintaining full regenerative capability. Supplementary I/O expansion via the Terminal Module TM31 (6SL3055-0AA00-3AA1) allows integration of external energy meters, temperature sensors, or production line interlocks directly into the SINAMICS parameter environment, closing the feedback loop between energy data and drive behavior.
Maintenance and Replacement Notes
In stamping and press lines where servo axes decelerate hundreds of times per shift, the regenerative capability of the 6SL3130-7TE25-5AA3 converts what would otherwise be resistor-dissipated heat into usable grid energy. A typical 55 kW ALM installation in a 3-axis press transfer system can recover Actual operating results depend on the installed system, load profile, and commissioning parameters.
Beyond energy recovery, the active front-end design stabilizes the DC bus voltage during rapid load transients — a common source of nuisance trips in conventional diode rectifier systems. Stable DC bus voltage means motor modules maintain torque accuracy during acceleration ramps, which directly improves product quality consistency in tension-controlled winding, extrusion, and coating applications. Fewer voltage-related faults translate to reduced unplanned downtime, lower maintenance call frequency, and extended motor and drive service life.
The module’s integrated DRIVE-CLiQ diagnostics continuously report thermal load, DC bus ripple, and input current waveform quality to the CU320-2 control unit. This data stream supports predictive maintenance strategies: maintenance teams can schedule capacitor inspections or fan replacements based on actual thermal history rather than fixed calendar intervals, reducing both maintenance cost and the risk of unexpected production stops. All units supplied by ZYPLC are pre-tested under load conditions prior to shipment, with full functional verification documented and a warranty terms confirmed during quotation covering parts and labor — ensuring that replacement modules integrate into live production lines with zero commissioning risk.
For facilities operating multiple SINAMICS S120 drive groups across a plant floor, the 6SL3130-7TE25-5AA3 can be deployed as a shared infeed for a common DC bus architecture, allowing braking energy from one axis group to be directly consumed by an accelerating axis group on the same bus — a technique known as DC bus cross-coupling that can eliminate grid energy draw during coordinated motion sequences entirely. This architecture is particularly effective in gantry systems, multi-axis winders, and automated assembly lines where axes are always in complementary motion phases.
Product Sourcing FAQ
Q1: How much energy can the 6SL3130-7TE25-5AA3 recover compared to a standard Basic Line Module?
A Basic Line Module (BLM) such as the 6SL3130-1TE23-6AA3 uses a diode bridge rectifier and dissipates all braking energy as heat through a braking resistor. The 6SL3130-7TE25-5AA3 Active Line Module feeds braking energy back to the supply grid, achieving net operational stability of Actual operating results depend on the installed system, load profile, and commissioning parameters. The exact saving depends on duty cycle, load inertia, and deceleration frequency — applications with high inertia loads and frequent stop-start cycles benefit most.
Q2: Is the 6SL3130-7TE25-5AA3 compatible with existing SINAMICS S120 Booksize Motor Modules?
Yes. The 6SL3130-7TE25-5AA3 is fully compatible with all SINAMICS S120 Booksize Motor Modules sharing the same DC bus rail, including single-axis modules (e.g., 6SL3120-1TE23-0AA3) and double-axis modules (e.g., 6SL3120-2TE21-8AA3). It connects via the standard DC bus bar and DRIVE-CLiQ interface to the CU320-2 control unit. No additional hardware adapters are required for standard Booksize cabinet configurations.
Q3: Can this module replace a faulty Smart Line Module or Basic Line Module in an existing installation?
The 6SL3130-7TE25-5AA3 can replace a Smart Line Module of equivalent power rating in most installations, as both use active front-end technology and share the same DRIVE-CLiQ commissioning interface. Replacing a Basic Line Module requires parameter reconfiguration in STARTER or TIA Portal to enable regenerative infeed mode and adjust DC bus voltage setpoints. ZYPLC recommends verifying the existing cabinet’s line filter and line reactor ratings before substitution, as ALM units have specific harmonic filter requirements.
Q4: What does the warranty terms confirmed during quotation cover, and what is the testing process before shipment?
Every 6SL3130-7TE25-5AA3 unit supplied by ZYPLC undergoes a full functional test including DC bus voltage regulation verification, DRIVE-CLiQ communication handshake, input current waveform analysis, and thermal performance check under partial load. The warranty terms confirmed during quotation covers all manufacturing defects and functional failures under normal operating conditions from the date of shipment. Warranty claims are processed with priority dispatch to minimize production downtime. Units are shipped with test records available upon request.
