What we supply
Rig electrical parts.
Ross Hill and NOV SCR controls, generator electronics, power sections, VFD spares and complete systems.
Power assembly detail.
Find a part
Search by part number or browse the equipment families.
01 / SCR controls
SCR house component families.
Follow the system from generator control to the motor drive.
REGULATION & CONTROL
AC & DC control modules
Generator-side AC controls and DC motor-drive modules, identified by the full number, variant and system configuration.
GENERATOR CONTROLS
Excitation & synchronizing
Generator exciter boards, AutoSync modules, synchronizing controls and power-limit electronics.
POWER CONVERSION
SCR bridges & phase cells
Power assemblies, thyristors, diodes and firing hardware. Start with the SCR platform and exact assembly number.
SWITCHING & PROTECTION
DC contactors & bay hardware
High-current DC switching, coils, contact kits, semiconductor fuses and supporting components for the SCR bay.
Also included: console boards, motor field supplies, braking and cooling.
Browse all SCR house parts
02 / PROJECT EQUIPMENT
Complete SCR houses
Complete houses, matched SCR bays and major control assemblies. Tell us about the platform, electrical ratings, driven equipment and the scope of your project.
Explore SCR systems03 / AC RIG SYSTEMS
AC drives and VFD components
Complete AC drives and their power, control and support hardware.
VFD electronics & support
Inverter and supply modules, control boards, gate drivers, I/O, cooling and braking hardware.
Explore drive components COMPLETE DRIVESAC drives & VFD systems
Drives for drawworks, pumps, top drives and auxiliaries. Match the complete type code to the application.
Explore AC drives04 / ACROSS THE RIG
Motor control, protection and distribution
Motor control, protection and distribution. Follow the category to the details that matter for your equipment.
Circuit breakers
Molded-case, power, air & vacuum
MCC parts & buckets
Sections, starters & motor protection
Switchgear & relays
Distribution, protection & metering
Contactors & motor control
AC/DC switching, coils & contact kits
Soft starters
AC motor starting & control hardware
Transformers
Control, isolation & distribution
Disconnect switches
Fusible & non-fusible safety switches
Bus plugs & distribution
Busway, plug-in units & distribution
Part request
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Send the complete part number or clear equipment photos. Add the application and quantity, and tell us what the quote needs to cover.
Request a Quote Or call (832) 975-8827