PRT55W/E

Spec Sheet IES File Instructions Spec Sheet EZ Layout

PRT55W/E

Ultra-high efficiency

Pendant or surface mount

Low glare, vandal-resistant polycarbonate lens

20% uplight eliminates "cave effect"

100,000-Hour LED lifespan

5-Year, No-Compromise Warranty

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Performance

Watts	55W
Color Temp	5000K (Cool)
Lumens	6,352 lm
Efficacy	111 lm/W
Color Accuracy	78 CRI
L70 Lifespan	100,000 Hours

Type	Constant Current
120V	0.5A
208V	0.33A
240V	0.32A
277V	0.31A
Input Watts	57.2W

EZ-Layout

Create Custom Lighting Layout

Dimensions

Weight: 11.1 lbs

Technical Specifications

Compliance

UL Listed

Suitable for wet locations

IP Rating

Ingress protection rating of IP66 for dust and water

IESNA LM-79 & LM-80 Testing

RAB LED luminaires and LED components have been tested by an independent laboratory in accordance with IESNA LM-79 and LM-80.

DLC Listed

This product family is listed with the DesignLights Consortium (DLC). Individual SKUs within this family may carry either a DLC Standard or DLC Premium qualification. Please refer to the individual product specification sheet or the DLC Qualified Products List (QPL) at designlights.org to confirm the qualification status of a specific SKU prior to specification or purchase.

Construction

Lens

Frosted polycarbonate lens

Gaskets

High-temperature silicone

Ambient Temperature

Suitable for use in up to 104°F (40°C)

Finish

Formulated for high durability and long-lasting color

Cold Weather Starting

The minimum starting temperature is -40°F (-40°C)

Thermal Management

Superior thermal management with external "Air-Flow" fins

Housing

Die-cast aluminum and sheetmetal housing. Polycarbonate is affected by cleaning agents or other liquids containing partial solvents such as low molecular weight aldehydes and ethers, ketones, esters, aromatic hydrocarbons and perchlorinated hydrocarbons. Click here for a detailed list of damaging chemicals.

Reflector

Specular polycarbonate

Green Technology

Mercury and UV free. RoHS-compliant components.

LED Characteristics

LEDs

Long-life, high-efficacy, surface-mount LEDs

Color Consistency

7-step MacAdam Ellipse binning to achieve consistent fixture-to-fixture color

Color Stability

LED color temperature is warrantied to Shift no more than 200K in color temperature over a 5-year period

Color Uniformity

RAB's range of Correlated Color Temperature follows the guidelines of the American National Standard for Specifications for the Chromaticity of Solid State Lighting (SSL) Products, ANSI C78.377-2017.

Electrical

Drivers

Constant Current, Class 2 100V - 277V, 50/60 Hz. THD <20%.

Dimming Driver

Driver includes dimming control wiring for 0-10V dimming systems. Requires separate 0-10V DC dimming circuit. Dims down to 10%.

THD

7.9% at 120V, 7.7% at 277V

Power Factor

99.2% at 120V, 97.1% at 277V

Battery Backup

Battery backup will operate the fixture for 90 minutes if power fails. Wired for 120-277V.

Battery Backup Light Loss Factor

0.23

Performance

Lifespan

100,000-Hour LED lifespan based on IESlm-80 results and TM-21 calculations

Wattage Equivalency

Equivalent to 150W Metal Halide

Installation

Mounting

Die-cast aluminum backbox with (4) 1/2" conduit openings with plugs. Hinged tether for easy installation and wiring. Also accomodates 1/2" or 3/4" NPS pendants (provided by others).

Other

5-Year, No-Compromise Warranty

RAB warrants that our LED products will be free from defects in materials and workmanship for a period of five (5) years from the date of delivery to the end user, including coverage of light output, color stability, driver performance and fixture finish. RAB's warranty is subject to all terms and conditions found at rablighting.com/warranty.