This is the detailed English technical specification sheet for Siemens 6SN1145-1BA02-0CA2 SIMODRIVE 611 infeed/regenerative feedback module, covering core electrical ratings, performance, protection, mechanical/environmental data, and functional details, based on Siemens official documentation and certified industrial catalogs.
1. Core Electrical Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Product Model | 6SN1145-1BA02-0CA2 | – | SIMODRIVE 611 infeed/regenerative feedback module, closed-loop control, internal cooling, mains contactor with break contact |
| AC Input (3‑phase) | 380–480 (rated: 400) | V AC | 3‑phase, 50/60 Hz, ±10% tolerance |
| AC Input Frequency | 50–60 (±2%) | Hz | Grid frequency range |
| DC Link Voltage (Nominal) | 650 | V DC | Closed-loop regulated DC bus voltage |
| Rated Infeed Power (Continuous) | 36 | kW | Steady-state power for DC bus supply |
| Peak Infeed Power (Regenerative) | 47 | kW | Short-term regenerative feedback power |
| Rated DC Link Current | 90 | A | Continuous DC current for drive modules |
| Peak DC Link Current | 180 (200% of rated) | A | For 3 s, with 10‑minute cool‑down interval |
| Power Factor (λ) | 0.95 | – | At rated infeed power |
| Efficiency (η) | 0.97 | – | At rated infeed power |
| Power Loss | 1.08 | kW | Typical power loss under rated load |
2. Overload Capabilities
| Overload Condition | Power | Duration | Ambient Temperature |
|---|---|---|---|
| Regenerative Peak | 47 kW (130% of continuous) | 3 s | 0–45°C |
| Infeed Peak | 47 kW (130% of continuous) | 3 s | 0–45°C |
| Continuous Operation | 36 kW (100% rated) | Continuous | 0–45°C |
3. Performance & Protection Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Control Type | Closed-loop regulated | – | Stabilized DC link voltage for precise motor control |
| Overcurrent Protection | 200% of rated DC current | – | Instantaneous trip to prevent device damage |
| Overvoltage Protection | 720 | V DC | Active clamping via bus capacitor/discharge circuit |
| Undervoltage Protection | 570 | 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 | – | Requires external filter for EMC compliance |
| Mains Contactor | Integrated (with break contact) | – | For safe mains isolation |
| Cooling System | Internal forced air cooling | – | Integrated fan with speed monitoring |
4. Mechanical & Environmental Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Net Weight | 14.2 | kg | Base unit without packaging |
| Dimensions (H×W×D) | 457×203×279 | mm | Standard frame size for 611 series |
| Ambient Temperature | 0–45 | °C | Operating; derate 1% per 100 m above 1000 m altitude |
| Storage/Transport Temperature | −20 to +45 | °C | – |
| Installation Altitude | ≤1000 | m | Derate 1% per 100 m above 1000 m |
| 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 |
| Sound Pressure Level (1m) | 70 | dB | Under standard operating conditions |
5. Key Functional & Compliance Details
- Regenerative Feedback: Converts motor braking energy back to the grid, improving energy efficiency in dynamic applications.
- Closed-loop Control: Stabilized DC link voltage ensures precise speed/torque control for CNC and motion control systems.
- Mains Contactor: Integrated contactor with break contact for safe system shutdown and maintenance.
- Typical Applications: SINUMERIK CNC machines, robotic systems, and high-precision motion control systems requiring regenerative braking.
6. Supplementary Notes
- Ambient Temperature: Do not exceed 45°C during operation; derate 1% per 100 m above 1000 m altitude.
- Regenerative Operation: Requires proper grid synchronization and compliance with local power quality regulations.
- Documentation: Refer to Siemens SIMODRIVE 611 Infeed/Regenerative Feedback Module Manual (Document No. 6SN1145‑1BA02‑0CA2) for complete parameterization and troubleshooting.







