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27W LED Retrofit Corn Bulbs Light E26/E39 From a single source of bright light, this 27-watt LED corn bulb replaces bulky HID and CFL lighting systems to illuminate large spaces like warehouses and parking lots. Illuminated by its clear halo of brightness from the 5000K light color output, this corn bulb distributes light in a wide area and produces uniformly distributed light as a result of its dual-fit E26/E39 base design. The efficiency of the bulb is superior to existing technologies that produce lower-quality light while costing higher to operate. This daylight equivalent also blends nicely with surrounding areas such as corners of buildings and open areas of land, creating an extremely quiet comparison to traditional metal halide lighting fixture replacements. From dimmer circuits to standard lines, it runs steady between 100 and 277 volts. Silence comes easily thanks to no moving parts drawing heat away. Heat moves out smoothly because the driver sits apart, doused in conductive gel. Spinning light in every direction, the 27W LED Retrofit Corn Bulb fills entire spaces without leaving corners dim. Built tough with premium Rubycon capacitors while handling surges up to 6KV, it keeps working year after year. Light spreads wide because darkness never stands a chance. This LED bulb carries approval from UL, cUL, CE, along with DLC, hitting top marks for both safety and energy performance. Main Features Energy-efficient illumination with 27 watts of LED power Daylight color of 5000 K Works on E26/E39 base 100 to 277 volts AC input power supply No fans utilized in cooling so no noise produced while operating reliably Driver has no heat sink but has thermal paste for cooling Dedicated driver provides optimal heat dissipation Light has a 360-degree beam angle to illuminate all areas 6 kilovolt surge protection provides for the safe operation Uses only high quality Rubycon capacitors; therefore, long life UL, cUL, CE, and DLC certifications and approvals are obtained Technical Specifications Specification Details Model CIRC-RCL-27W Power Output 27W Color Temperature 5000K Input Voltage 100–277VAC Base Type E26/E39 Beam Angle 360° Cooling Method Fanless passive cooling Driver Protection Fully sealed with thermal paste Surge Protection 6KV Capacitors Rubycon Certifications UL, cUL, CE, DLC Ideal Uses Illuminating retro-fit lighting in commercial buildings Replacing HID and CFL lamps Industrial applications such as warehouse and manufacturing operations Outdoors on site in parking areas and other structures with covered roof tops Examples of high efficiency lighting used in either interior or exterior situations Why Choose LED Retrofit Corn Bulbs? LED retrofit corn bulbs provide high brightness along with energy savings and very long lifespan. The 27W model is suitable for retrofit applications where even illumination in a daylight range is needed and where the best materials have been used with the highest certified safety levels. Related Products CIRC 60W9S LED Corn Light 60W CIRC 36W LED Retrofit Corn Bulbs Light E26/E39 E26 and E39 in one bulb - how does that work? Comes with an adapter sleeve. Start with E39 mogul base for industrial fixtures, slip on the reducer for E26 medium sockets. One SKU covers both common commercial bases. No need to guess which version to stock or order. 27 watts sounds modest. What can it actually replace? Roughly a 100-watt metal halide or 150-watt high-pressure sodium in terms of useful light output. HID lamps waste energy as heat and throw light in unwanted directions. The LED's 360-degree distribution plus higher efficacy means less wattage achieves similar or better illumination where it matters. 5000K daylight - won't that feel cold indoors? In warehouses and outdoor coverage, it reads as crisp and alert. For interiors where people spend hours, some prefer warmer tones. But for task visibility, security, and matching natural daylight hours, 5000K performs without the blue harshness of higher Kelvin options. Fanless but 27 watts - thermal math works? Conductive paste creates a thermal bridge between isolated driver and main housing. Heat spreads across more surface area than concentrated spots. Lower wattage than 60W or 100W corn lights means less thermal load to manage passively. Engineering scales with output. 6KV surge - my area has stable power. Overkill? Surges aren't always weather. Large motors starting nearby, utility switching, generator transfers - all inject spikes. The 6KV rating means the bulb survives what kills lesser electronics. Pays off in industrial zones where downtime costs more than the fixture. Rubycon capacitors again - same as the 60W? Same philosophy, scaled for 27W. Capacitor failure mode is usually heat-related. Premium parts rated for harsh conditions extend driver life significantly. Manufacturer didn't cheap out on the lower-wattage sibling. DLC listing - rebate hunting? Many utilities require DLC for incentive programs. Also signals third-party verified efficiency and performance claims. Independent lab testing separates legitimate products from sticker-slapped imports. Worth checking local utility websites for eligible rebates. 100-277V again - why repeat this spec? Because electricians still ask. Commercial buildings run 208V, 240V, 277V depending on service type. Residential is 120V. One bulb handles all without manual switching or multiple SKUs. Simplifies inventory and reduces ordering mistakes. How does this compare to the 60W version physically? Same family, smaller appetite. Less heat to shed means slightly more compact housing. Same base options, same certifications, same 5000K output. Choose based on fixture size, existing wattage being replaced, and desired brightness level. Both share the DNA, just different muscles. Retrofit - what if my old fixture has a reflector? Corn bulbs throw light everywhere, including up into the fixture housing. Some waste occurs compared to directional LEDs. But the trade-off is simple screw-in replacement without rewiring or new optics. Labor savings often outweigh optical efficiency losses for retrofit projects.
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🇺🇸 Ship from USA · On Agora since 2026
$83.00