SYLVANIA
SYLVANIA 64490 M400/U 400W BT37 E39 4000K Metal Halide Bulb
400 watt metal halide bulb with BT37 shape, E39 base and 4000K colour temperature
- 400 W output for large-area lighting
- 4000 K neutral white for natural colour rendering
- Universal burn position suits any fixture orientation
- E39 mogul screw base fits standard industrial sockets
Sylvania 64490 400W Metal Halide Lamp
The Sylvania 64490 is a 400 watt metal halide bulb built for general lighting. It uses a BT37 envelope and a mogul screw E39 base, delivering a 4000K clear output in a universal burn position. New condition ensures full rated performance from first ignition.
Ideal for high-bay and outdoor fixtures needing
Buyers who need a different wattage, a different colour temperature, or a medium base socket should look elsewhere. Fixtures without the correct E39 mogul screw socket cannot accept this lamp.
Highlights
- 400 W output for large-area lighting
- 4000 K neutral white for natural colour rendering
- Universal burn position suits any fixture orientation
- E39 mogul screw base fits standard industrial sockets
Specifications
| Brand | Sylvania |
|---|
Questions about this item
What socket does the E39 base on this 64490 bulb require?
The bulb uses a mogul screw (E39) base that fits a matching E39 socket rated for 400 W metal-halide operation.
Can I run this 400 W metal-halide lamp on an older probe-start ballast?
The 64490 is a universal-burn metal-halide lamp; verify that your existing ballast is rated for 400 W pulse-start or probe-start MH before installing.
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