Under-Desk Heater: A Practical Fix for Tight Spaces
We built this under-desk heater for one reason: industrial spot heating where space is at a premium. It’s a 400V, 2500W halogen lamp, packed into a compact footprint, so you get direct, localized heat exactly where you need it.
Why 400V? Power, Voltage, and Size
Here’s the thing about 400V. It matches the plant power distribution, which keeps the current draw lower than a 230V unit at the same wattage. That means smaller wires and less stress on the junction box. And the 300mm tube? It concentrates the heat into a defined zone, so you get serious watt density without turning the whole room into a sauna.
The Details: Halogen, Coating, and R7s
The halogen capsule keeps the filament stable even at high temps, so the output stays consistent over time. No fading. No fuss. The quartz envelope is coated to manage UV, which protects nearby components and wiring. And the R7s connector? It’s a straightforward, industrial-grade interface. You wire it up quickly, and it holds up to the vibration of the shop floor.
Where It Shines: Targeted Heat, Fast Install
This setup is designed as a drop-in replacement for under-desk heaters in control panels and machine enclosures. It responds fast, and the heat is focused right where you want it. But there’s a trade-off. That 2500W density needs adequate airflow and proper thermal clearances. If the enclosure is sealed, you have to plan for cooling to avoid overheating nearby electronics.