The Light Efficient Design LED-8242M40D is a high bay retrofit lamp designed to upgrade enclosed, damp-location fixtures that previously relied on a 1,000-watt HID source. With a 270-watt design and a 40,000+ lumen-class output (specifically 34,415 lumens as listed in the specifications), this lamp delivers substantial flux while operating on a 120–277 V supply. It is built to replace a 1000 W HID in high bay applications, offering a lower energy draw without sacrificing lighting performance, and it is rated for 50,000 hours of service life under typical conditions. The unit is compatible with EX39 Mogul sockets and supports 0–10 V dimming down to 20%, enabling stepped lighting control on compatible dimming circuits.
Construction and features emphasize reliability in demanding environments. The lamp includes an integrated advanced active cooling mechanism to help manage operating temperatures, contributing to stable performance in enclosed fixtures. It is rated for both enclosed fixtures and damp locations, which broadens its applicability in industrial and warehouse settings where moisture or enclosure containment might otherwise limit LED options. The lamp carries a surge protection rating of 6 kA, aiding protection against electrical transients.
In practical terms, this LED retrofit lamp is appropriate for upgrading existing high-bay luminaires that use EX39 bases, especially in locations where LED performance and dimming capability are valued. Consider the temperature range (-4 to 122 degrees Fahrenheit) when planning installation, and verify compatibility with 0–10 V dimming control systems and the fixture’s enclosure performance. The lamp’s dimensions indicate a compact form factor suitable for standard high bay retrofits, with a diameter around 10.2 inches and a height of about 12.5 inches.
Features:
- Type B - ballast bypass operation
- Mogul EX39 base
- 0-10V dimmable down to 20%
- Advanced active cooling fan
- Enclosed fixture rated
- Damp location rated
- 6kA surge protection
- Brand:
- Light Efficient Design
- Manufacturer Part Number:
- LED-8242M40D
- UPC:
- 844006080730
- Lumens:
- 34,415 Lumens
- Lumens Per Watt:
- 137.78
- Wattage:
- 270 Watts
- Input Voltage:
- 120-277V
- Dimmable:
- 0-10V
- Color Temperature:
- 4000K
- Lamp / Base Type:
- EX39 Mogul
- Rated Hours:
- 50,000 Hours
- Equivalent:
- 1000W HID
- Min Operating Temp:
- -40 Degrees F
- CRI:
- 80+
- Special Features:
- Enclosed Fixture Rated
- Diameter:
- 10.2
- Height:
- 12.5
- Package Size:
- Each
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