450 Watt LED High Mast Light | 69,750 Lumens | 5000K | 100V-277V or 277V-480V

Product Overview

The 450 Watt LED High Mast Light is engineered for large-scale outdoor area illumination where high mounting heights and broad coverage are required. This fixture is designed to replace 1000W metal halide systems in environments such as ports, airports, highway interchanges, and expansive industrial yards. The fixture supports both 100V-277V and 277V-480V input, providing flexibility for integration into a range of site electrical systems.

With a robust die-cast aluminum housing and IP66/IK08 ratings, this high mast light is built for continuous operation in exposed environments. Typical mounting heights range from 60 to 120 feet, supporting uniform lighting over wide areas with minimal maintenance requirements.

Core Performance and Output

This fixture delivers 69,750 lumens at 450 watts, achieving an efficacy of 155 lumens per watt. Standard distribution is Type 5, with optional 60°, Type 2, Type 3, and Type 4 optics available for tailored coverage. The 5000K color temperature provides high visibility for outdoor operational areas. Power factor exceeds 0.90, and total harmonic distortion is below 20%.

At lower mounting heights, output may be excessive and can result in increased glare. Uniformity may decrease at mounting heights above 120 feet, depending on pole spacing and optic selection. 0-10V dimming is included for output adjustment as needed.

Adjustability and Control Options

The fixture supports 0-10V dimming for integration with lighting control systems or manual output adjustment. Multiple beam angle options allow for site-specific distribution patterns, supporting both wide-area and directional lighting requirements. Optics are field-changeable if distribution needs change after installation.

No onboard motion or daylight sensors are included; external controls can be added as required by the site?s lighting control strategy.

Longevity and Reliability

L70 rated life is 100,000 hours, supporting long-term deployment in demanding outdoor environments. The fixture includes 10kV surge protection to guard against transient voltage events common in exterior installations. All components are selected for continuous operation in ambient temperatures from -4°F to 122°F.

Routine maintenance is minimized due to the sealed housing and durable lens materials. No relamping is required over the fixture?s operational life.

Build Quality and Physical Characteristics

The housing is die-cast aluminum with a gray finish, providing corrosion resistance and structural integrity. The fixture is IP66 rated for dust and water ingress and IK08 rated for impact resistance. The polycarbonate lens protects internal optics from environmental exposure.

Fixture weight is 52 lbs. The EPA rating is 3.87, which must be considered when selecting poles for wind load compliance. All hardware is designed for pole mounting in exposed outdoor locations.

Where This Product Fits Best

This high mast fixture is intended for large outdoor sites requiring high-output, uniform illumination from elevated mounting positions. It is suitable for continuous operation in harsh weather and industrial conditions.

• port lighting
• airport lighting
• highway interchange lighting
• large yard lighting
• sports complex lighting
• industrial yard lighting
• rail yard lighting
• freight terminal lighting

Environmental characteristics include resistance to rain, dust, and impact. The fixture is suitable for coastal, industrial, and transportation sites where exposure to weather and vibration is routine.

Installation and Long-Term Use

This fixture is designed for pole mounting using standard high mast hardware. The 52 lb weight and EPA rating require structurally rated poles and proper anchoring for wind load compliance. Electrical connections support both 100-277V and 277-480V systems, allowing for integration into a range of site power infrastructures.

Routine inspection of mounting hardware and electrical connections is recommended. The sealed housing and surge protection reduce the need for frequent maintenance. All serviceable components are accessible without fixture removal.

How This Fixture Is Commonly Used

Typical mounting heights range from 60 to 120 feet, with pole spacing determined by site layout and required light levels. Fixtures are often grouped in clusters on high mast poles to achieve uniform coverage over large areas such as ports, interchanges, or yards.

Higher output allows for reduced fixture count per pole, but may require careful aiming and optic selection to control glare and spill light. Spacing and layout should be coordinated with site photometric analysis for optimal results.

Safety, Certifications, and Warranty

This fixture is UL listed and meets IP66 and IK08 ratings. Surge protection is rated at 10kV. All components are rated for outdoor use in demanding environments. Standard warranty terms apply as specified by LED Lighting Supply.

Installation must comply with local codes and site safety requirements. Follow all manufacturer instructions for mounting and electrical connections.

Frequently Asked Questions

Q: What is the recommended mounting height for this 450W high mast fixture?

A: Typical mounting heights are 60 to 120 feet, depending on site requirements and desired light levels.

Q: Which beam angles are available for this fixture?

A: Standard distribution is Type 5. Optional 60°, Type 2, Type 3, and Type 4 optics are available.

Q: Can this fixture be used with both 277V and 480V electrical systems?

A: Yes, models are available for both 100-277V and 277-480V input ranges.

Q: What is the EPA rating and why does it matter?

A: The EPA rating is 3.87. This value is used to determine pole and foundation requirements for wind load compliance.

Q: How many fixtures are typically needed per pole for port or yard lighting?

A: Fixture count per pole varies by site, but clusters of 4 to 6 fixtures per pole are common for uniform coverage in large areas.

Application Questions and Clarification

Q: Is this fixture suitable for sports complex or rail yard lighting?

A: Yes, this high mast fixture is commonly used for sports complex, rail yard, and similar large-area lighting applications.

Q: Can this fixture be installed in coastal or industrial environments?

A: The IP66 and IK08 ratings, along with the die-cast aluminum housing, make it suitable for coastal and industrial sites.

Q: Are onboard controls or sensors included?

A: No onboard sensors are included. External controls can be added as required by the site?s lighting control system.