Technical Specifications & Performance Data
| Brand | Keystone Technologies |
|---|---|
| Wattage / Lumens | 100W (16,500 lm), 150W (24,750 lm), 200W (33,000 lm) |
| Input Voltage | 120–277V |
| Lamp Type | LED |
| Color Temperature | 4000K / 5000K (Selectable) |
| Certifications | cULus Listed, DLC Premium Listed |
| IP Rating | IP65 |
| Location Rating | Wet Location |
| Minimum Operating Temperature | -40°F |
| Finish Options | Black, White |
| Dimensions | 14.76" D × 7.72" H |
| Rated Life | 50,000 Hours |
| Warranty | 5 Years |
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Technical FAQ Deep-Dive
What wattage options and lumen outputs are available for this warehouse high bay lighting fixture?
The Keystone Warehouse High Bay Lighting Fixture is available in three wattage options: 100W, 150W, and 200W. The lumen outputs for each wattage are as follows:
- 100W: Up to 16,500 lumens
- 150W: Up to 24,750 lumens
- 200W: Up to 33,000 lumens
These fixtures provide efficient lighting with up to 165 lumens per watt, suitable for large spaces such as warehouses, factories, and industrial environments. The design ensures compliance with IES RP-7-17 (Industrial Lighting) for warehouse floor applications, delivering high horizontal illuminance and uniformity.
What color temperatures are available for this fixture?
This lighting fixture offers selectable color temperatures of 4000K and 5000K, providing flexibility to meet different illumination needs in industrial environments. The 80+ CRI ensures good color differentiation, crucial for work environments requiring accurate material handling and label reading.
What certifications and environmental ratings does this fixture have?
This high bay fixture meets the following certifications and environmental ratings:
- cULus Listed: Complies with North American safety standards for electrical components and fire hazards.
- DLC Premium Listed: Eligible for utility rebate programs, ensuring compliance with ASHRAE 90.1-2022 for energy-efficient lighting in commercial spaces.
- IP65 Rated: Fully protected against dust and water jets, making it suitable for wet locations in warehouses and outdoor applications, per IES RP-1-20 for office and warehouse lighting.
- Wet Location Rated: Designed for use in areas exposed to moisture and condensation, ensuring safety and reliability in exposed environments.
What is the minimum operating temperature for this fixture?
This fixture operates in environments as low as -40°F (-40°C), making it suitable for cold storage and other harsh environmental conditions in compliance with ASHRAE 90.1-2022 for energy-efficient lighting in extreme climates.
What is the uniformity ratio, and how does it apply to warehouse lighting?
This fixture maintains a uniformity ratio (Emax/Emin) of 3:1 or 4:1, as required by 2026 Code Enforcement. This ensures horizontal illuminance is evenly distributed across the warehouse floor, meeting the standard for uniformity as defined in IES RP-7-17 for industrial applications. This prevents areas of inadequate lighting ("black holes") and improves safety and efficiency in large, open areas.
What are the dimensions and mounting options for this fixture?
The physical specifications for this fixture are as follows:
- Dimensions: 14.76" Diameter × 7.72" Height (MOL)
Designed for easy installation in industrial environments, this fixture includes a polycarbonate ribbed lens that ensures optimal light diffusion while enhancing durability. The fixture also supports 0-10V dimming, compatible with modern industrial dimming systems for energy savings, daylight harvesting, and compliance with ASHRAE 90.1-2022 requirements for energy-efficient lighting.
What is the rated life and warranty for this fixture?
This fixture is rated for 50,000 hours of operation, providing long-lasting performance and reducing the frequency of replacements. It is covered by a 5-year warranty, ensuring reliable performance for industrial and warehouse applications.
What thermal management and surge protection features does this fixture include?
This fixture incorporates MOV (Metal Oxide Varistor) surge protection for 4kV of protection against voltage spikes, ensuring reliability in industrial environments. Additionally, the fixture is designed with thermal fold-back to automatically reduce power to the driver when temperatures exceed safe limits, preventing damage and prolonging the fixture’s lifespan.
How does this fixture affect Lighting Power Density (LPD) calculations?
For compliance with IECC 2024 and ASHRAE 90.1-2022 energy codes, LPD is calculated using the maximum selectable wattage (200W) for high-bay applications. The formula for LPD is as follows:
$$LPD = \frac{\text{Quantity} \times \text{Wattage Setting}}{\text{Area (sq ft)}}$$ This fixture is designed to reduce LPD and contribute to meeting 2026 energy codes, allowing for energy-efficient lighting installations without sacrificing performance.