Siemens 6SN1145-1BA02-0CA2 SIMODRIVE 611 E/R Power Supply Module
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Product Information
The Siemens 6SN1145-1BA02-0CA2 is a 36 kW closed-loop infeed and regenerative feedback module (E/R module) belonging to the SIMODRIVE 611 product family. Operating as a central power supply unit for multi-axis drive configurations, this 200 mm wide rack-mount module converts a 3-phase 380 V to 480 V AC line input at 50 to 60 Hz into a stabilized 600 V DC link output. It delivers a rated line current of 60.5 A, supporting continuous operation up to 36 kW and peak loads up to 47 kW in demanding motion control environments such as CNC machine tools and automated production lines.
Interface alignment relies on standard SIMODRIVE rack connections and multi-axis DC link busbars. The 6SN1145-1BA02-0CA2 features an integrated mains contactor with a break (normally closed) contact to ensure rapid line disconnection during emergency stops or safety shutdowns. It serves as a direct drop-in replacement for earlier product revisions, including the 6SN1145-1BA02-0CA0 and 6SN1145-1BA02-0CA1 variants, maintaining full hardware compatibility across both SIMODRIVE 611-A analog and SIMODRIVE 611-D digital controller architectures. Commissioning a replacement spare typically requires verifying line protection ratings and ensuring proper physical seating within the modular rack. Support from ABC Industrial Parts can assist in sourcing fully tested units to minimize machine downtime during module swaps.
Operational diagnostics are provided via front-panel status LEDs and centralized monitoring through connected SIMODRIVE 611 drive controllers. During dynamic motor braking, the module automatically feeds excess kinetic energy back into the power line via closed-loop regeneration, lowering cabinet thermal loads and line energy consumption. If status indicators show line voltage supply failure or internal fault states, initial troubleshooting should include verifying line power levels, mains contactor engagement, and cooling fan function. Because internal electronic faults and power semiconductor failures cannot be serviced on site, replacing the unit or sending it to ABC Industrial Parts for specialized repair provides the fastest path to restoring system operation.
Technical Specifications
| Manufacturer | Siemens |
| Part Number | 6SN1145-1BA02-0CA2 |
| Model / Type | Infeed/Regenerative Feedback Module (E/R Module) |
| Product Family | SIMODRIVE 611 |
| Component Type | Power Supply Module |
| Continuous Rated Power | 36 kW |
| Peak Power Rating | 47 kW |
| Input Voltage Range | 380 - 480 V AC |
| Line Frequency Range | 50 - 60 Hz |
| DC Link Output Voltage | 600 V DC |
| Rated Line Current | 60.5 A |
| Control Method | Closed-Loop Control |
| Cooling Method | Internal Cooling |
| Module Width | 200 mm |
| Weight | 15.5 kg |
| Operating Temperature Range | 0 to 45 °C |
| Storage Temperature Range | -20 to 45 °C |
Diagnostics and Status Indication
The 6SN1145-1BA02-0CA2 provides visual diagnostic feedback through front-panel status LEDs that display line power availability, operational readiness, and fault conditions. Detailed status monitoring and error signals are also transferred to the main SIMODRIVE 611 drive controller for centralized fault tracking.
Status LED Indicators
| LED | Color/Status | Meaning |
|---|---|---|
| Status LEDs | Various | Indicates operational states, line power status, and fault/malfunction conditions |
Replacement and Spare Part Considerations
The Siemens 6SN1145-1BA02-0CA2 is designed for modular rack installation within SIMODRIVE 611 drive systems. It serves as a direct functional replacement for older revisions, specifically part numbers 6SN1145-1BA02-0CA0 and 6SN1145-1BA02-0CA1, allowing seamless hardware exchange without altering mechanical mounting or enclosure layout.
When replacing an infeed module, confirm that the 36 kW power rating matches the total power requirements of all connected motor modules on the DC link. Proper physical installation requires secure mounting within the 200 mm rack position and verifying that internal forced-air ventilation pathways remain unobstructed to maintain safe operating temperatures.
Frequently Asked Questions
What is the difference between the 6SN1145-1BA02-0CA2 and earlier CA0 or CA1 models?
The 6SN1145-1BA02-0CA2 is a direct drop-in replacement for 6SN1145-1BA02-0CA0 and 6SN1145-1BA02-0CA1 models, sharing identical power ratings, 200 mm width, and mounting interfaces while incorporating updated internal production revisions.
Is the 6SN1145-1BA02-0CA2 compatible with both SIMODRIVE 611-A and 611-D systems?
Yes, this infeed/regenerative module operates seamlessly across both SIMODRIVE 611-A analog and SIMODRIVE 611-D digital drive control architectures.
How does the regenerative energy recovery feature work in this module?
Closed-loop control allows the module to return kinetic braking energy generated by decelerating motors directly to the mains power grid, reducing energy consumption and cabinet heat dissipation.
What safety isolation features are built into the 6SN1145-1BA02-0CA2?
The module includes an integrated mains contactor equipped with a break contact (normally closed) for rapid power disconnection during emergency shutdowns or system faults.
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Specific firmware and hardware versions
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Disclaimer:
We are not an authorised distributor of Siemens.
Product photos are for illustration purposes only and may differ from the actual product delivered.
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