125W LED RETROFIT CORN BULBS LIGHT E39
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Installation Guide
Additional Information
xAt Circ Lighting, we specialize in high-quality architectural and commercial lighting solutions designed to enhance spaces with both functionality and style. Our products combine advanced technology with modern aesthetics to meet the needs of designers, builders, and lighting professionals across the United States. Whether you're planning a residential project or a large-scale commercial installation, we are committed to delivering reliable, innovative lighting with excellent customer support.
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xReturns Policy
We offer fast and secure shipping across the United States. Orders are typically processed within 7–10 business days and shipped via trusted carriers such as UPS, FedEx, or USPS. Shipping times vary based on destination and selected shipping method.
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If you’re not completely satisfied with your purchase, you may return it within 30 days of delivery. To be eligible for a return, the item must be unused, in its original packaging, and in resalable condition. Please contact our support team at customercare@sellcongroup.com to initiate a return or for further assistance.
Description
x125W LED Retrofit Corn Bulbs Light E39
From dusk till dawn spaces get a steady glow thanks to this 125 watt LED corn bulb built for upgrades where old-school HID or fluorescent lights once clung on. Brightness spreads evenly in every direction because light flows around without shadows playing hide and seek.
Factories lean into its strength just like workshops that demand clarity when tasks stretch late. Outdoor zones gain sharp visibility under crisp 5000 Kelvin tones matching morning sky hues. Warehouses stay lit without flicker while efficiency climbs behind the scenes.
Voltage range from 100 to 277 volts means this light works across different power setups. Because of its built-in Sunon fan plus a metal fin heat diffuser, the 125-watt LED corn lamp handles heat well - leading to longer run time. Though small, the design focuses on staying cool under load. While many skip airflow control, here it helps durability.
Heat management becomes easier thanks to that combo of moving air and conductive surfaces. So instead of failing early, the unit keeps operating steadily.
One version comes with a frosted cover, another with clear polycarbonate - both spread light smoothly without glare. Constructed in a way that it can handle surges up to 6,000 volts, it carries approvals from UL, cUL, CE, and DLC for steady, efficient performance you can trust.
Primary Characteristics
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125W LED light source offers bright and energy-efficient illumination
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5000K – Daylight colour temperature
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Compatible with E39 base sockets (also compatible with E26, E27, E40)
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Input V – 100-277VAC
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Sunon fan for additional cooling; allows for superior heat dissipation
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Aluminum fin heat sink for improved thermal handling
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Frosted or Clear PC lamps for consistent light diffusion
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Provides 360° light spread
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6kV High Voltage Surge Protection
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UL, cUL, CE, DLC certifications
Technical Specifications
| Specification | Details |
|---|---|
| Model | NG-RCL-125W-508-W39 |
| Power Output | 125W |
| Color Temperature | 5000K |
| Input Voltage | 100–277VAC |
| Base Type | E39 (supports E26, E27, E40) |
| Beam Angle | 360° |
| Cooling Method | Sunon fan active cooling + aluminum fin heat sink |
| Cover | Frosted / Transparent PC cover |
| Surge Protection | 6KV |
| Certifications | UL, cUL, CE, DLC |
Where They Use LED Cornlight Bulbs
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Industrial & Commercial Re-lighting
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Replacing Existing HID/CFL Lamp Fixtures
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Applied in Warehouses, Factories, and Retail Spaces
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Outside Parking or Canopy Light Fixtures
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Energy Efficient Interior and/or Exterior Light Fixtures
Why You Should Use LED Cornlight Bulbs
LED Cornlight Bulbs (5000K) will give you the bright white (daylight-like), efficient lighting you are looking for while saving you money with lower energy consumption due to their high-efficiency designs. In addition, these cornlightled bulbs have superior heat dissipation using the Sunon fan cooling system and meet applicable safety certifications. For retrofit, industrial, and commercial applications, these corn lights meet all your requirements.
Related Products
125 watts - what old bulb does that replace?
Roughly 400-watt metal halide or 450-watt high-pressure sodium. The math isn't linear because HID throws light in a box pattern while corn bulbs spin it everywhere. But useful illumination ends up comparable or better, with less than a third the wattage draw and none of the warm-up delay or color shift to orange.
Sunon fan - isn't that a failure point waiting to happen?
Industrial-grade fans rated for 50,000+ hours. At 125W, passive cooling would need massive heat sinks. The fan plus aluminum fins keeps junction temperatures reasonable in a compact package. Trade-off is worth it for output density. Fan noise is minimal - around 30 dB - and failure modes are gradual, giving warning before death.
E39 base - what about the E26, E27, E40 compatibility?
Comes as E39 mogul base with adapter options. E26 medium base for smaller fixtures, E27 European intermediate, E40 giant mogul for industrial gear. Most 125W applications are commercial fixtures expecting E39. Check your socket size before ordering adapters.
Frosted versus clear - which cover do I need?
Frosted diffuses the LED points, reduces glare when viewed directly, softens shadows. Clear maximizes raw output and throw distance. High bays and deep fixtures often want clear. Areas where workers look up at the fixture, or where aesthetics matter, frosted wins. Same lumen count, different distribution character.
6KV surge protection - my power is stable. Why bother?
Industrial zones have motor loads, welding equipment, large HVAC cycling - all inject noise. Plus lightning-induced transients on outdoor poles. 6KV rating means the bulb survives what kills consumer-grade LEDs. Cheap insurance for hard-to-reach fixtures.
100-277V - my building runs 208V three-phase?
208V line-to-line is 120V line-to-neutral on wye services. This bulb handles the full range. 277V is the ceiling for commercial high-leg services. Know your building's electrical topology before specifying. The wide range helps, but it's not infinite.
How does 125W compare to 80W and 300W siblings?
Goldilocks zone. 80W fits high bays and wall packs. 300W replaces street lights and massive area lights. 125W hits the sweet spot for common commercial retrofits - big warehouses, parking structures, factory floors - without requiring the thermal engineering of the 300W flagship.
DLC certification - rebate eligible?
Many utilities require DLC for incentive programs. Check local offerings. The 125W hits efficacy thresholds for most North American rebate structures. Independent third-party testing verifies claims. Worth the paperwork for multi-bulb jobs.
5000K again - any warmer options?
Commercial and industrial applications overwhelmingly want 5000K for alertness and visibility. Street lighting sometimes uses 4000K or 3000K for residential areas, but warehouses, factories, parking lots - all want the blue-white punch of daylight. This bulb stays in that lane.
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