Ross Hill 0001-6307-70: Model 1400 SCR Bridge
The SCR bridge assembly from a Ross Hill Model 1400 SCR house: the power conversion stage that turns generated AC into controlled DC for the drilling motors.
Independent supplier. RHCC 0001-6307-70 is identified from the installed number. Manufacturer and trademark names are used for reference only, and condition is disclosed before sale.
| Part number | 0001-6307-70 |
|---|---|
| System | Ross Hill / Hill Hayes / NOV SCR drilling |
| Function | SCR power conversion |
| Condition | New-surplus, used-tested, reconditioned |
| Also searched as | 0001-6307 · 0001-6307-70 · 0001630770 · Ross Hill · NOV · Hill Hayes |
What it does
The bridge is where the actual power conversion happens. Thyristors fire under control of the DC module to produce variable DC for the drilling motors. Because it is a power assembly rather than a control card, failures tend to be visible and consequential: a shorted device, a failed snubber, a blown semiconductor fuse, and the affected drive is down.
Symptoms that point here
| What you are seeing | What it usually indicates |
|---|---|
| Semiconductor fuse blows repeatedly | Shorted device in the bridge: do not keep replacing fuses |
| Drive delivers reduced or unstable DC output | Device or firing fault on one leg |
| Visible heat damage, discoloration, or smell at the bay | Stop and inspect before re-energizing |
| Drive trips as soon as load is applied | Bridge or firing circuit under load |
| Repeated semiconductor fuse loss on one bay | A fuse that keeps clearing is usually protecting a failing SCR device in the bridge |
| One leg dead: unbalanced output, unstable DC under load | A bridge leg not conducting, or a misfire upstream in the firing circuit |
Confirm the installed unit
For 0001-6307-70, send the complete dash number and a clear nameplate or board-label photo. The quoted unit is matched to the supplied identifier before condition and lead time are confirmed.
Condition and sourcing
RHCC 0001-6307-70 is quoted only after current availability, condition, and lead time are confirmed. Any offered unit is identified as new-surplus, used-tested, or reconditioned before sale.
If the observed failure does not line up with RHCC 0001-6307-70, use the SCR Drive Fault Finder to narrow the subsystem before requesting a part.
Identification checkpoint
For RHCC 0001-6307-70, confirm function: SCR power conversion; also searched as: 0001-6307 · 0001-6307-70 · 0001630770 · Ross Hill · NOV · Hill Hayes. Use the installed label and complete suffix before treating another item as equivalent.
FAQ
What is the Ross Hill Model 1400 SCR bridge?
A fuse keeps blowing: should I just replace it?
Do you sell individual pucks and fuses as well as the bridge?
Availability & Quote
For RHCC 0001-6307-70, condition is disclosed before sale. Item photographs are supplied with an actual offer.
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