The KUPO KCP-738 is a Super Convi Clamp factory-fitted with a CNC-machined aluminum plate for the ARRI PSU Rail Mount Adapter. It clamps 5 to 51 mm tube or flat surfaces with the saddle, giving SkyPanel-style power supplies and similar ballasts a clean, repeatable mounting point on stands, rail, or set tube.
Why It Matters
A power supply hanging from a cable or improvised plate slows the crew down and looks messy. The KCP-738 makes the PSU mount a known part of the rig, with the Super Convi clamp doing the grip work and the machined plate doing the repeatable rail interface.
Key Features
Factory-fitted CNC aluminum plate provides a dedicated ARRI PSU Rail Mount Adapter interface
5 to 51 mm clamp range works on light stands, speed rail, scaffold, and set tube
Super Convi spring-latch behavior and P.U. pad preserve the familiar clamp handling
20 kg Working Load Limit supports properly rigged power supply and ballast mounting
Standalone KCP-700-PRM plate is available for crews retrofitting existing KCP-700 clamps
Applications
Built for ARRI ballast and power supply mounting, SkyPanel S60 PSU-style rigs, wheeled light stands, studio rail, scaffold, and any tube or flat surface where the PSU needs to travel with the fixture.
Compatibility
Clamps 5 to 51 mm tube or flat surfaces with the Super Convi saddle. The CNC plate is sized for the ARRI PSU Rail Mount Adapter; KCP-700-PRM is the retrofit plate for existing KCP-700 clamps.
Frequently Asked Questions
Is this just a normal Super Convi Clamp?
It uses the normal Super Convi clamp body, but adds a factory-fitted CNC plate for the ARRI PSU Rail Mount Adapter. That plate is the reason to choose KCP-738.
Can I retrofit a standard KCP-700 instead?
Yes, if you only need the plate, use KCP-700-PRM. KCP-738 is the ready-built clamp and plate assembly.
Will it clamp to a stand riser or only to rail?
It clamps tube from 5 to 51 mm and can also work on a flat surface with the saddle, so it can mount to stands, rail, scaffold, or set tube within that range.
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