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High-Pressure Sodium Lamp Polamp WLS 400W TC E40 48000 lm
Polamp WLS 400W TC E40 is a high-pressure sodium lamp designed for applications that require high luminous output and long operating life. The lamp delivers 48,000 lumens from a 400 W power rating and uses a tubular compact envelope with an E40 screw base to fit suitable industrial and outdoor luminaires. It provides warm-coloured high-intensity light typical for HPS technology and is intended for large-area illumination in warehouses, streets, sports arenas and other high-ceiling or outdoor locations.
The lamp offers high luminous efficacy and steady lumen output for extended service periods, reducing the need for frequent replacements. Its tubular compact shape and standard E40 base enable compatibility with a range of fixtures designed for high-pressure sodium sources. The lamp is engineered for continuous operation in demanding environments and gives strong directional light suitable for large spaces and outdoor installations.
Install the lamp into a compatible fixture rated for high-pressure sodium lamps and for the E40 base. Ensure the fixture is switched off and cooled before replacing or installing the lamp. Use appropriate ballast or control gear specified for 400 W HPS operation and follow the luminaire manufacturer’s instructions. Allow the lamp to reach full output after ignition; high-pressure sodium lamps typically require a warm-up period to stabilize lumen output and colour.
Operate the lamp in fixtures that provide adequate heat dissipation and protection from moisture and mechanical damage. For outdoor or critical installations, consider routine inspections and replacement planning to maintain consistent illumination levels. Do not use the lamp with incompatible electronic controls or dimmers unless explicitly stated by the ballast or luminaire manufacturer.
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