circular infrared heating halogen lamp

June 20, 2026

The Heart of the Matter: Power, Voltage, and the Right Shape

We built this circular infrared halogen lamp to be a pure heat machine, not just another light bulb. The shape is intentional—a tight, circular design that focuses all that energy into one precise spot. Most setups run on 400V, pulling 2500W through a 300mm tube. It’s all engineered for those tight spots where you need serious heat but don’t have room to spare. That voltage and wattage combo isn’t random. At 400V, the performance stays steady across the whole tube without overloading the current. That keeps the control gear simple and reliable. And the 300mm length? It’s the sweet spot—small enough to squeeze into tight zones, but long enough to give you a consistent heat window.

Inside the Build: Halogen, Quartz, and a Smart Connection

Inside, the halogen cycle does the heavy lifting, keeping the filament stable. The halogen gas lets the filament run hotter without blackening, so the lamp stays consistent from day one to the last. The tube itself is quartz, because it can handle the shock of flipping on and off fast, and it lets that shortwave infrared heat pass through cleanly. And that R7s connector? It’s a deliberate choice. It gives you a solid, two-end connection that’s easy to wire up in a reflector assembly and locks in place. That repeatable alignment matters when your heating zone is measured in millimeters, not inches.

Where It Shines—And the Real-World Give-and-Take

This is your go-to when you need fast, focused heat—think PET blowing, thermoforming, curing adhesives, or drying components. That shortwave output hits temperature fast, so you can shorten cycles without heating up everything around it. A 400V, 2500W halogen tube packs a serious punch. That also means your machine’s cooling and thermal management have to be up to the task. If you’re running full power nonstop, the reflector and mounting hardware need to handle the heat. Plan your airflow and clearances, or you’ll pay in performance and shortened life. When the cooling and alignment are set up to match the physics, this lamp is a drop-in workhorse you can count on.