Description
Upgrade your lighting to an efficient, high-quality LED solution with this sleek 4-foot direct-wire T5 tube from Mason Lighting. Designed for flexibility and performance, the MS4T5A1203-50K is a direct replacement for traditional fluorescent T5 lamps—no ballast required.
Key Features:
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Energy savings: Consumes only 12 W while delivering approximately 2,400 lumens—excellent efficacy with low power draw.
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High-quality light output: Crisp 5000 K color temperature with a CRI of 83 ensures good color accuracy and a clean, daylight look.
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Frosted lens finish: The frosted polycarbonate lens provides smooth, even light distribution and reduces glare for user comfort.
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Universal input voltage: Designed to operate on 120-277 V AC (actual range 108-305 V), so it works in many applications without rewiring.
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Durable construction: Aluminum body with frosted polycarbonate lens; rated for a 50,000-hour life to reduce replacement and maintenance costs.
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Long warranty: Backed by Mason’s 5-year limited warranty for reliable service (when installed per instructions).
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Compact footprint: At about 45.2 in (1147.5 mm) length overall, it installs seamlessly into standard 4-foot T5 fixture frames.
Ideal Applications:
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Office lighting retrofits from fluorescent to LED
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Retail or commercial ambient lighting
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Warehouse, utility, or service spaces requiring efficient, crisp light
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Fixtures where you replace the lamp and bypass the ballast (direct-wire)
Installation Notes:
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This tube is for direct-wire use (ballast removed or bypassed); not compatible with standard fluorescent ballasted circuits.
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Suitable for operation in ambient temperatures from -3 °F to 113 °F (approx. -20 °C to 45 °C).
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Not intended for use outdoors unless in a suitably rated enclosed fixture.
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Ensure power is turned off prior to installation; do not open the driver or tube housing.