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Helios sodium lamp 70W WLS City TC E27 — 70 W, E27 base, sodium discharge bulb
Helios sodium lamp 70W WLS City TC E27 is a 70 W high-pressure sodium discharge bulb with an E27 screw base, intended for street, city and outdoor-area lighting. The lamp delivers warm, yellowish light typical for sodium technology and is designed for retrofit into fixtures with standard E27 sockets where efficient, long-life illumination is required. Its construction focuses on stable luminous output and energy-efficient operation within outdoor and semi-outdoor installations.
The lamp provides a high luminous efficacy for its wattage and a long rated life compared with many incandescent and low-quality discharge alternatives. Its E27 screw base allows direct replacement in standard luminaires without additional gear, reducing installation complexity. The design ensures steady light output over long operating hours and reliable performance in applications that demand warm-coloured, penetrating light characteristics of sodium discharge lamps.
Install the lamp into a compatible E27 socket that meets the fixture’s protection and ballast requirements for high-pressure sodium lamps. Ensure the luminaire is switched off and cooled before replacement. Use fixtures designed for outdoor use and, if required, appropriate ballasts or control gear as specified for sodium discharge lamps. Observe recommended warm-up time after switch-on, since sodium lamps reach full stable output after several minutes of operation.
For best performance, use the lamp in fixtures suitable for sodium discharge technology and protected against moisture and mechanical impact. Allow adequate ventilation around the luminaire to avoid overheating and follow local regulations for outdoor lighting and lamp disposal.
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