AC & DC rig power
Drilling rig electrical parts.
Ross Hill and NOV SCR controls, DC drive parts, AC drives and rig power distribution.
Legacy rig controls.
Explore Ross Hill and NOV equipment by the job it does, then narrow the request to the exact assembly.
AC & DC control modules
Generator controls and motor-drive controls, with suffixes kept distinct.
Explore this categoryPlant controlsExcitation & synchronizing
Exciter boards, autosync modules, and power-limit controls.
Explore this categoryPower conversionSCR bridges & phase cells
Complete power assemblies and the devices inside them.
Explore this categoryBay hardwareDC contactors & support
Assignment hardware, blowers, meters, and control components.
Explore this category
From parts to complete houses.
Make the scope clear: a replacement part, an individual bay, or a wider rig-power requirement.
AC drives & rig electrical.
The same attention to complete identifiers applies to drives, motor control, and power distribution.
Have an exact number?
Open the index for individual component pages, or use the cross-reference guide to separate documented numbers and variants.
Browse the Ross Hill / NOV part-number index
Independent supplier, not an authorized distributor. Manufacturer names and part numbers are used for identification. Exact configuration is checked for each request, and condition is disclosed before sale.
Buyer questions
What drilling rig electrical equipment does Edmundson Industrial supply?
Edmundson Industrial supplies Ross Hill and NOV SCR/DC equipment, including control modules, generator controls, power assemblies and DC contactors. EI also handles AC drives, VFD boards, motor control and power distribution equipment.
What should I send for a drilling rig electrical quote?
Send the complete manufacturer part number including the suffix, quantity, equipment-label photos and application. The installed equipment and configuration give the part number its context.
What details are needed for an SCR house or bay request?
Send the system model, electrical configuration, drive count, motor arrangement and project scope. Include drawings and photographs that show how the equipment fits the rig.
Is Edmundson Industrial an authorized distributor?
No. Edmundson Industrial is an independent supplier, not an authorized distributor. Manufacturer names and part numbers are used for identification, exact configuration is checked for each request, and condition is disclosed before sale.
What are you working on?
Send the complete manufacturer number, quantity, equipment label, and application. For a larger requirement, include the rig configuration, drawings, and an itemized scope.