I made a 4000 watt dimmer pack for my theater. It's intended to handle around 1500 watts, as we only plan on connecting two 750 watt lamps to it. It is controlled
DMX Dimmerpack
American DJ ED15 4-Channel DMX Dimmer Pack | Reverb
Gigertop 4 Channel 220V DMX Dimmer And Switch Pack With 16 Built in Light Programs 4CH Switcher For Stage Light Fixtures TP-D20 - AliExpress