UV lamp connector types 4 pin

Thu, 25 Jun 2026 11:52:11 +0800

On an automotive parts line, powder coating and UV curing run as one continuous sequence. When the infrared preheat and the UV lamp don’t stay in step, you get incomplete cross-linking, solvent trap, and scrap that shows up as adhesion failure down the paint line. More often than not, the weak link is the electrical interface. Swapping in a standard 4-pin UV lamp connector takes the variability out of the equation—no more intermittent arc, voltage drop, or connector overheating during the high-current strike of a medium-pressure mercury vapor lamp. What matters, technically A 4-pin base locks down pin spacing, contact rating, and arc stability. For medium-pressure mercury lamps in hybrid drying, the strike current is high, and the lamp puts out 365 nm as the dominant wavelength, with extra energy in the 385–405 nm band to match the photoinitiators in topcoats. The connector has to carry the lamp’s rated current without blowing past its temperature rating, cycle after cycle. Paired with a dichroic-coated reflector, the system holds peak irradiance at the substrate—typically 800–1200 mW/cm² at the focal plane—and delivers the energy density you need, often 600–1000 mJ/cm², to finish the cure inside takt time. Why it works in practice In automotive accessory production, you need the IR stage to bring the powder up fast, then the UV lamp to finish cross-linking without cooking thin substrates. The 4-pin interface keeps the lamp consistent electrically every time you change it, so spectral output and strike time stay repeatable. That repeatability translates to steady adhesion, hardness, and gloss—and fewer line stops for lamp re-strike or connector checks. Energy draw stays predictable, and lamp life typically lands at 1000–1500 hours before output falls below the minimum threshold. Here’s what to keep straight Match the connector to the socket on your curing module. Verify pin assignment, voltage, and current rating against the power supply, and make sure the lamp end-of-life detection circuit is compatible. Hybrid lines run hot. Keep the connector out of the direct airflow from the IR heater so it doesn’t get hammered by thermal cycling. Expect connector wear with repeated lamp changes—inspect it every time you replace the lamp.

Pin on UV Curing Glow

UV lamp connector types 4 pin