Picture this: a massive warehouse bay, the kind where the cold just seems to settle in and hang around. Trying to heat the whole place with central heat is like trying to fill a bathtub with a thimble—slow and completely impractical. So here’s what we built: a 400V halogen tube heater that’s all about one thing—pinpointing the cold. It’s designed to deliver high-density warmth right where you need it, whether that’s a loading dock, a temporary work cell, or a specific corner that always feels like a walk-in freezer. The power behind the warmth. This unit cranks out 2500W at 400V. What that means for you is serious heat without having to pull the absolute max amps from your three-phase system. It’s a smart balance of power and efficiency. And the 300mm tube? It’s all about focus. That compact size concentrates all that wattage into a tight beam, so you can aim the heat exactly where you want it. No fuss, no oversized fixtures. But let’s be real—that much heat comes fast. It means the mounting hardware and reflector have to be tough enough to handle the high temps, and they are. What makes it work, under the hood. The halogen element runs hotter than your standard infrared, and that’s a feature, not a bug. It keeps the quartz envelope clean and keeps the output steady for the life of the lamp. No dimming, no fuss. The coating on the tube is there to do one job: direct more energy into absorption, not glare. So you get the warmth, not the blinding shine. And the R7s base is a simple, solid connection. It’s easy to wire up and holds its alignment, even in a fixture that’s getting jostled around day in and day out. Built for the grind. Warehouses are rough on equipment. You need something that can take a beating and get back online quickly. This heater is a straight-up drop-in replacement in compatible housings, so when something goes wrong, you’re not down for long. Just a heads-up, though. At 2500W, you’re dealing with some serious waste heat. Make sure you’ve got proper ventilation and cooling around the lamp. Keeping the ambient temperature in check is how you protect the components from cooking themselves.