Description
The National Oilwell Varco (NOV) Ross Hill 10050155-001 is a high-performance DC Control Module specifically engineered for industrial drilling applications. As a critical component within the Ross Hill SCR (Silicon Controlled Rectifier) drive system, this module is responsible for precise regulation and control of DC motors used in heavy-duty hoisting, mud pumping, and rotary table operations. It is widely recognized for its robust build quality, reliability in harsh drilling environments, and seamless integration with legacy NOV/Ross Hill drive architectures.

Key Technical Specifications
| Parameter | Value/Description |
| Part Number | 10050155-001 |
| Component Type | DC Control/Firing Module |
| Compatibility | Ross Hill SCR Drive Systems |
| Input Voltage Range | Standard industrial control levels |
| Control Signal | Precision analog/digital interface |
| Operating Temperature | Designed for -20°C to +70°C |
| Housing Material | Industrial-grade reinforced casing |
| Mounting Style | Rack/Chassis mounted |
| Connectivity | Plug-and-play terminal block |
| Application | Drilling rig motor control |
Recommended Related Models
These modules are part of the broader NOV/Ross Hill power conversion product line, often found in similar drilling drive configurations:
- 10050156-001: Auxiliary Control Module
- 10050157-001: Logic/Regulation Board
- 10050158-001: SCR Gate Driver Board
- 10050159-001: Power Supply Interface Module
- 10050160-001: Diagnostic Display Module
- 10050161-001: Feedback Signal Conditioner
- 10050162-001: Current Sensing Module
- 10050163-001: Voltage Regulation Module
- 10050164-001: System Communication Bridge
- 10050165-001: Protection Relay Module
Disclaimer: Please verify your specific equipment serial number and revision level with your technical manual or an authorized NOV service representative, as system configurations can vary significantly based on the rig’s generation and custom specifications.
Would you like me to assist you in locating the technical datasheet or installation guidelines for this specific module?

