The BOSCH 0 811 405 051 is a high-precision valve amplifier board (PL6 662 09176) designed for use in industrial hydraulic control systems. As part of the renowned Rexroth Indramat 1M Servo Amplifier series, this module is engineered to control proportional hydraulic valves, including pressure-control and flow-control valves that typically operate without position feedback .
This Eurocard format card provides the necessary signal conditioning and power amplification to convert low-voltage command signals into a high-current output suitable for driving hydraulic valve solenoids .
Key Features & Technical Specifications
Specifications for the 0 811 405 051 are extrapolated from the 1M Series family standards.
- Model Number: 0 811 405 051
- Substitute/Part No: PL6 662 09176
- Series: 1M Servo Amplifier Card (Bosch Rexroth Indramat)
- Power Supply: 24 VDC (Nominal)
- Format: Eurocard (approx. 100 × 160 × 35 mm)
- Connector Type: DIN 41612 (F32)
- Function: Proportional Valve Amplifier
- Installation: Industrial chassis mount
Typical Applications
Designed for heavy-duty industrial environments, this card is ideal for retrofitting or repairing hydraulic control systems, including:
- Injection Molding Machines
- Presses (Hydraulic)
- Machine Tools
- Material Handling Equipment
- Test Stands



















