PRT55S/LCB
Field Adjustable Logo
PRT55S/LCB large main
55W 3500/4000/5000K
  • IP65 rated
  • 100,000-Hour LED lifespan
  • 5-Year Limited Warranty
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Performance
Watts 55/42/30W
Color Temp 3500/4000/5000K
Lumens 4,233-7,510 lm
Efficacy 133-147.3 lm/W
Color Accuracy 79-81 CRI
L70 Lifespan 100,000 Hours
Type Constant Current
120V 0.50A/0.35A/0.25A
208V 0.29A/0.21A/0.15A
240V 0.25A/0.18A/0.13A
277V 0.22A/0.15A/0.11A
Input Watts 29.7-53.7W
Dimensions
Link to Dimension Drawing
Technical Specifications
Field Adjustability
Field Adjustable
Field Adjustable Light Output:
55W/42W/30W (factory default 55W)
Color Temperature Selectable:
3500K, 4000K and 5000K (factory default 4000K)
On/Off Photocell (factory default "Off")
Compliance
UL Listed
Suitable for wet locations
IP Rating
Ingress protection rating of IP65 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 is listed by Design Lights Consortium (DLC) as an ultra-efficient premium product that qualifies for the highest tier of rebates from DLC Member Utilities. Designed to meet DLC 5.1 requirements.
DLC Product Code: S-RW3CZZ
Performance
Lifespan
100,000-Hour LED lifespan based on IES LM-80 results and TM-21 calculations
Driver
55W: Constant Current, Class 1, 50/60 Hz, 120V-277V, 120V: 0.50A, 208V: 0.29A; 240V: 0.25A, 277V: 0.22A
42W: Constant Current, Class 1, 50/60 Hz, 120V-277V, 120V: 0.35A, 208V: 0.21A; 240V: 0.18A, 277V: 0.15A
30W: Constant Current, Class 1, 50/60 Hz, 120V-277V, 120V: 0.25A, 208V: 0.15A; 240V: 0.13A, 277V: 0.11A
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 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
Dimming Driver
Driver includes dimming control wiring for 0-10V dimming systems. Requires separate 0-10V DC dimming circuit. Dims down to 10%.
THD
55W: 4.26% at 120V, 11.58% at 277V
42W: 5.79% at 120V, 13.35% at 277V
30W: 8.75% at 120V, 13.51% at 277V
Power Factor
55W: 99.6% at 120V, 93.5% at 277V
42W: 99.4% at 120V, 89.9% at 277V
30W: 98.9% at 120V, 83.6% at 277V
Surge Protection
Ringwave LN4kV/LN-GND 6kV
Aux Power Supply
Yes
Dim to Off
Yes
Photocell
Integrated photocell included with on/off switch (factory default: off)
Construction
Cold Weather Starting
The minimum starting temperature is -40°C (-40°F)
Maximum Ambient Temperature
Suitable for use in up to 40°C (104°F)
Gaskets
High-temperature silicone
Housing
Die-cast aluminum
Lens
Polycarbonate lens
Reflector
Polycarbonate
Green Technology
Mercury and UV free. RoHS-compliant components.
Finish
Formulated for high durability and long-lasting color
Installation
Mounting
Surface and pendant mounting
Optical
BUG Rating
55W: B3 U4 G4
42W B3 U4 G4
30W: B2 U4 G3
Lightcloud
Lightcloud Blue
Lightcloud Blue is a Bluetooth Mesh wireless lighting control system that allows you to control RAB's various compatible devices. With RAB's patented Rapid Provisioning technology, devices can be quickly and easily commissioned for residential and large commercial applications using the Lightcloud Blue mobile app. Each device in a system can communicate with any other device, eliminating the need for a Gateway or Hub and maximizing the control system's reach.

DLC system - N1XMLOEATBA (Interior); NHCZ2BIA17L (Exterior)

Learn more at www.lightcloud.com.
Gateway Required
No
Communication Protocol
Bluetooth Mesh
Range
Indoor: Up to 60 feet between standard building materials. Building materials such as brick, concrete, and steel construction may require additional Lightcloud Blue devices to extend around an obstruction; Up to 200 feet clear line of sight.

Outdoor: Up to 60 feet clear line of sight; Up to 18 feet around corners
Spacing Criteria
Lightcloud Blue devices should be placed within the specified range to communicate within the Bluetooth Mesh network.
Factory Reset
Method 1: Delete from App
Open the app and access the device settings for the paired device. Be sure that the device is online and select 'Delete'. The device will flash on/off 5 times and return to full brightness.
Method 2: Manual
Press and hold down the button located at the top of the Controller for 10 seconds or until the light flashes on/off 3 times. The status indicator light will flash red to confirm it has been reset and is ready to pair to the App.
Status Indicator
The status indicator light is located around the circumference of the top of the Controller.

Solid Green: connected to a Lightcloud Blue network.
Blinking Red: unprovisioned, ready to pair
Device Identification Button
Located at the top of the controller under the Lightcloud logo.
Once the Controller has been provisioned to the Lightcloud Blue mobile app this button offers the following functionality:
Press once to rapid identify this device in the Lightcloud Blue mobile app
Press twice to toggle circuit on and off
Press twice and hold to set dim level
Press and hold for 10s to reset the device to factory settings and into pairing mode
Other
5 Yr Limited Warranty
The RAB 5-year, limited warranty covers light output, driver performance and paint finish. RAB's warranty is subject to all terms and conditions found at rablighting.com/warranty.

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