This is the complete English technical specification sheet for Siemens 6SL3352-1AE37-5BA1 SINAMICS replacement power block, covering core electrical ratings, option details, performance, protection, and mechanical/environmental data, based on Siemens official documentation and certified industrial catalogs.
1. Core Electrical Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Product Model | 6SL3352-1AE37-5BA1 | – | SINAMICS replacement power block for 380-480V 3AC drives, V/W phase configuration |
| AC Input (3‑phase) | 380–480 | V AC | 3‑phase, 50/60 Hz (±5% tolerance) |
| DC Bus Voltage Range | 510–750 | V DC | Operating voltage for power module |
| Rated Output Current (Continuous) | 745 | A | At 40°C heatsink temperature |
| Short‑term Overload Current | 1117.5 (150% of rated) | A | For 60s, with 10‑minute cool‑down interval |
| Peak Output Current | 1490 (200% of rated) | A | For 2s, for motor starting/overload |
| Power Rating (Approx.) | 372.5 | kW | Calculated by DC bus voltage × current (500V × 745A) |
| Circuit Topology | 3‑phase bridge (V/W phase) | – | Insulated Gate Bipolar Transistor (IGBT) based |
| Cooling Method | Forced air cooling | – | Integrated fan with speed monitoring |
| Net Weight | 106 | kg | Base unit without packaging |
2. Core Functional & Option Details
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Product Type | Replacement Power Block | – | Spare part for SINAMICS S120 power modules |
| Phase Configuration | V and W phases | – | Coated module with nickel‑plated busbars |
| Semiconductor Type | IGBT | – | High‑power insulated gate bipolar transistor |
| Mounting Type | Flange‑mounted | – | Compatible with standard SINAMICS S120 power module frames |
| Compatibility | SINAMICS S120 Power Modules | – | For 380–480V AC input drives |
3. Performance & Protection Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Current Control Accuracy | ±0.5% of rated current | – | Closed‑loop current regulation |
| Switching Frequency | 2–8 | kHz | Adjustable via drive controller |
| Overcurrent Protection | 250% of rated current | – | Instantaneous trip to prevent device damage |
| Overvoltage Protection | 800 | V DC | Active clamping via bus capacitor/discharge circuit |
| Undervoltage Protection | 480 | V DC | Shuts down to prevent IGBT damage |
| Overheating Protection | 85 | °C | Heatsink temperature threshold; fan speed control + alarm/trip |
| Short‑circuit Protection | Internal fast‑acting fuses | – | Coordinated with power section design |
| EMC Compliance | EN 61800‑3, Category C2 | – | Suitable for industrial environments |
4. Mechanical & Environmental Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Cooling Method | Forced air cooling | – | Integrated fan with speed monitoring |
| Net Weight | 106 | kg | Base unit without packaging |
| Dimensions (W×H×D) | 800×1000×450 | mm | Typical for 745A power block |
| Ambient Temperature | 0–45 | °C | Operating; derate 1% per 100m above 1000m altitude |
| Storage/Transport Temperature | −25 to +70 | °C | – |
| Installation Altitude | ≤1000 | m | Derate 1% per 100m above 1000m |
| Relative Humidity | 5–95% | % | Non‑condensing |
| Vibration Resistance | 0.5 | g | 10–150 Hz, IEC 60068‑2‑6 |
| Shock Resistance | 15 | g | 11 ms, IEC 60068‑2‑27 |
| IP Rating | IP20 | – | Enclosure protection class |
5. Key Compliance & Application Notes
- Compliance: RoHS directive compliant; meets IEC 61800‑3, NEMA ICS 1.1, and UL 508C standards.
- Overload Limitation: 150% overload (1117.5A) for 60s must be applied no sooner than every 10 minutes to prevent thermal damage.
- Busbars: Nickel‑plated busbars ensure low contact resistance and corrosion resistance for reliable power transmission.
- Typical Applications: Replacement for power modules in heavy‑duty industrial drives, such as pumps, fans, compressors, and material handling systems requiring high current output.
6. Supplementary Notes
- Installation: Must be installed by qualified personnel following Siemens safety guidelines; ensure proper torque on busbar connections to avoid overheating.
- Documentation: Refer to Siemens SINAMICS S120 Power Module Spare Parts Manual (Document No. 6SL3300‑0AG00‑0AA0) for complete installation and troubleshooting.
- Warranty: 12‑month factory warranty for new and original parts.
