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High-pressure sodium lamp Osram Vialox NAV-T Super 4Y 150 W 17500 lm 2000 K 100 V (transparent)
Osram Vialox NAV-T Super 4Y 150 W is a high-pressure sodium (HPS) lamp engineered to deliver a high luminous output with a warm colour appearance. The lamp provides 17,500 lumens at a 2,000 K colour temperature, housed in a transparent bulb designed for 100 V AC operation. With a compact form factor of approximately 47 mm diameter and 210 mm length, this lamp is intended for fixtures where concentrated, high-intensity sodium light is required.
The HPS geometry and gas discharge chemistry produce a high luminous efficacy, offering strong light output relative to power consumption. The warm 2,000 K colour temperature creates the characteristic amber sodium tone that improves visibility under low-light conditions and helps with visual contrast. The transparent envelope provides unobstructed light emission and consistent photometric performance when used in appropriate luminaires designed for 100 V operation.
Install this Osram Vialox NAV-T Super 4Y lamp only in compatible luminaires and fixtures rated for high-pressure sodium lamps and 100 V supply. Ensure the fixture includes the correct ballast or control gear specified for HPS operation and that electrical connections are made with power disconnected. After installation, allow the lamp to warm up to reach stable luminous output and colour; do not attempt to restart or relocate the lamp while it is hot.
For reliable performance, match the lamp to a ballast rated for 150 W HPS operation at 100 V and verify fixture temperature limits and optical housings are suitable for a transparent bulb. For applications requiring colour rendering different from the warm sodium tone, consider alternative lamp technologies. Dispose of spent lamps according to local regulations for lighting products.
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