Technical Specifications
| Parameter Name | Parameter Value |
|---|---|
| Product Model | Rexroth 200 BTV20.3AA-28B-33C-D-FW |
| Manufacturer | Bosch Rexroth (formerly Indramat) |
| Product Type | Servo System Power Supply / Rectifier / Filter Module |
| System Platform | Indramat System200 / BTV20 Series |
| Input Voltage | 3 × 400 VAC (+10% / -15%), 45-66 Hz |
| Output Voltage (DC Bus) | 200 VDC |
| Rated Output Power | 20 kW |
| Rated Output Current | 100 A (at 200 VDC) |
| Integrated Functions | Three-phase rectification, DC bus filtering, pre-charge control, status monitoring |
| Protection Features | Overvoltage, undervoltage, overcurrent, overtemperature, short circuit |
| Status Indication | LED indicators (Run, Fault, Ready) |
| Cooling Method | Forced air cooling (integrated fan) |
| Operating Temperature | 0°C to +45°C (full performance) |
| Storage Temperature | -25°C to +70°C |
| Installation Method | Backplane mounting for BTV20 system |
| Protection Class | IP20 (for installation in electrical cabinet) |
| Connection Type | Busbar / Screw terminals |
| Product Status | Legacy product (obsolete, available as new surplus stock) |
Main Features and Advantages
Robust power conversion and integrated protection: At the heart of the Rexroth 200 BTV20.3AA-28B-33C-D-FW is a robust 20kW power stage that reliably converts 400VAC mains to a stable 200VDC bus. This reliable power supply ensures that all connected axis modules operate within their optimal voltage range, enabling precise motor control. The module incorporates comprehensive protective circuits that actively safeguard the drive system against overvoltage, undervoltage, overcurrent, overtemperature, and short circuits . This integrated protection not only prolongs the service life of the Rexroth 200 BTV20.3AA-28B-33C-D-FW itself but also protects the valuable downstream axis modules and motors from electrical faults.
Optimized system design and status monitoring: The Rexroth 200 BTV20.3AA-28B-33C-D-FW is engineered as a “book-style” module, a design that allows it to be mounted side-by-side with other components on a common backplane, minimizing cabinet space while maximizing power density. The module features clear LED status indicators for Run, Fault, and Ready states, providing operators and maintenance personnel with immediate visual feedback on the health of the power supply . This feature, combined with the module’s robust design, makes the an ideal choice for critical applications where uptime is paramount.
Lifecycle support for legacy systems: Recognized as a critical spare part for discontinued Indramat servo systems, the offers a viable path to extending the service life of valuable production assets. Rather than undertaking the high cost and complexity of a complete control system upgrade, users can rely on this New Surplus module to keep their existing -based machinery operational . The ability to source a compatible replacement like the ensures continuity of operations for many manufacturers.
