Description
The Bosch Rexroth PSI 63C0.776L1 is a PSI-series industrial servo drive used in automated welding and machine-control applications. The exact PSI 63C0.776L1 designation is documented as a Bosch Rexroth PSI drive, and available equipment references classify the unit within welding-control drive equipment. The referenced unit is supplied with an Ethernet communication card, identified in available listings as R911307946-GA1, providing network connectivity for compatible control architectures.
The PSI drive family is intended for industrial motion and welding-system integration, where the drive works together with machine controllers, communication interfaces, motors or actuators, and associated feedback devices. The complete PSI 63C0.776L1 model and installed Ethernet card should be matched carefully when replacing an existing unit.

PSI 63C0.776L1
Product Datasheet
| Parameter | Value |
|---|---|
| Brand | Bosch Rexroth |
| Model | PSI 63C0.776L1 |
| Series | PSI 6300 Series |
| Product Name | Servo Drive |
| Application | Industrial Welding / Machine Control |
| Drive Type | Servo Drive |
| Communication | Ethernet |
| Ethernet Card | R911307946-GA1 |
| Country of Origin | Germany |
| Condition / Status | Used – Takeout |
| Power Rating | Model-specific; verify nameplate |
⚙️ Product Features
🔹 PSI Servo Drive – Designed for industrial machine and welding-control applications.
🔹 Ethernet Connectivity – The referenced unit includes an Ethernet communication card, supporting integration with compatible industrial control networks.
🔹 Industrial Automation Integration – Suitable for applications requiring coordination between drive hardware, machine controllers, communication networks, and motion components.
🔹 Welding-System Application – PSI 63C0.776L1 is listed in equipment references under Bosch Rexroth welding-control equipment.
🔹 Replacement Spare – Appropriate for maintenance inventories when the installed equipment requires the same PSI 63C0.776L1 configuration.
🔹 System Compatibility – Bosch Rexroth drive systems support multiple industrial communication paths for integration with automation controllers and higher-level control systems.
❓ Common Questions & Answers
Q1: What is the Rexroth PSI 63C0.776L1?
A: It is a Bosch Rexroth PSI-series servo drive used in industrial machine and welding-control applications.
Q2: Does this unit include an Ethernet card?
A: Yes. The referenced configuration is listed with an Ethernet card, identified as R911307946-GA1.
Q3: What is the main application of the PSI 63C0 series?
A: The PSI series is associated with industrial welding and machine-control equipment, including applications requiring controlled electrical drive functions.
Q4: Is PSI 63C0.776L1 the same as PSI 63C0.774L1?
A: No. They are different model variants. The available equipment references list both PSI 63C0.776L1 and PSI 63C0.774L1 as separate Bosch Rexroth models.
Q5: Can I replace another PSI 63C0 drive with this unit?
A: Replacement should not be assumed based only on the PSI 63C0 family. Verify the complete type code, electrical ratings, communication card, firmware, connectors, and machine configuration.
Q6: What should be checked before installation?
A: Check the complete PSI 63C0.776L1 designation, Ethernet card number, input/output requirements, motor or welding-system interface, firmware, connectors, and existing machine configuration.
Q7: What is the condition of the referenced unit?
A: The supplied listing describes it as a used takeout unit.
⭐ Recommended Rexroth Models
- PSI 63C0.774L1 – PSI Servo Drive
- PSI 63C0.776-L1 – PSI Drive / Inverter
- PSI 63C0.738L1 – PSI Series Drive
- PSI 63C0.729L1 – PSI Series Drive
- PSI 63C0.336L1 – PSI Series Drive
- PSI 6200.627W1 – PSI Welding Control Drive
- PSI 6200.628W1 – PSI Welding Control Drive
- PSI 6300.636L1 – PSI Series Drive
- 1070078992-103 – Rexroth PSI Printed Circuit Board
- 107008562-101 – PSI 6300 Ethernet Board
