
Outdoor Electric Heater: 400V Halogen Quartz Tube with R7s Connector
We built this outdoor heater for the places that feel the elements full-on. It’s a direct-radiant infrared heater, meaning it throws heat exactly where you point it—no waiting around for air to warm up. When convection heaters give up, this one leans in.
The power that makes sense on the job
It runs on 400V, which lines up with the three-phase power you already have in industrial setups. That also keeps the current lower, so wiring runs stay cleaner and cooler. At 2500W, it packs serious heat into a small space. You get fast warm-up and strong, line-of-sight heating. The tube is just 300mm long, so the heat stays focused in a tight zone. Aim it where you need it. No wasted energy. No fuss.
Why the tube and base were chosen
Inside, you’ve got a halogen-filled quartz tube. Halogen helps keep the filament steady and cuts down on that annoying blackening over time. Quartz? It takes high heat in stride and doesn’t crack when the temperature swings. The coating protects the element and keeps output steady. And the R7s connector is a two-pin ceramic base that does its job quietly well: it locks in solid, carries the load safely, and makes wiring and swapping the lamp straightforward when you’re out on the machine.
Where this shines—and what to keep in mind
This setup is ideal for warming outdoor equipment, pre-heating processes, and freeze protection when the weather turns mean. The 400V design helps reduce voltage drop on longer runs, which keeps performance consistent. But here’s the honest part: this tube runs hot. That means you need a control setup that’s properly rated, and the enclosure needs solid ventilation. Give it airflow, and it’ll keep doing its job—steady, focused, dependable.