We built this dog house heater to be a no-nonsense, industrial-grade fix for serious, focused heat. It’s a 400V, 2500W halogen lamp, designed to blast out concentrated infrared warmth from a small, tidy package. Here’s the power story. Running at 2500W on 400V, this thing is for situations that demand real heat density. The 300mm tube keeps the warmth tight and targeted. The response is fast—almost instant. But that kind of punch also means the area around it feels the heat. So, you’ll want to plan for proper airflow or some shielding to keep ambient temps in check and protect nearby gear. Inside, the halogen element sits inside a quartz tube with a special coating. That coating shields the filament from chemical wear and helps keep the output steady over the long haul. And the R7s connector? It’s a proven, standard fit. You can wire it up quickly and lock the tube in place without hunting for extra adapters. This whole build is meant to hold up, even in a rough industrial setting. Out in the field, it slips right in as a replacement for dog house setups that need steady, pinpoint heat. The 400V power, the 300mm size, and the R7s connection make integration simple and help cut downtime. You get reliable output, an easy install, and a tough build that can handle being switched on and off again and again. It’s strong, dependable—just make sure you’ve got your thermal plan sorted.