• Class 1, Division 2, Groups A, B, C, D
  • IP66 Rating protects against dust & water ingress<
  • DLC Listed
  • 100,000-Hour LED lifespan
  • 5-Year, No-Compromise Warranty
View Technical Specs
Performance
Watts 400W
Color Temp 5000K
Lumens 65,948 lm
Efficacy 163.7
Color Accuracy 73 CRI
L70 Lifespan 100,000 Hours
Type Constant Current
120V 3.38A
208V 1.95A
240V 1.69A
277V 1.47A
Input Watts 402.9W
Dimensions
Link to Dimension Drawing

Weight: 53.2 lbs

Technical Specifications
Hazardous Location Classifications
Class I
Class I: A hazardous location in which flammable gases or vapors may be present in the air in sufficient quantities to be explosive or ignitable, such as petroleum refineries, aircraft hangars, dry cleaning plants, utility gas plants or storage areas for liquified petroleum or natural gas, and spray finishing areas.
Division 2
Division 2: Abnormal condition, where ignitable concentrations of flammable gases, vapors or liquids are not like to exist under normal operating conditions, for example:

Closed storage drums containing flammable liquids in an inside storage room would not normal allow the hazardous vapors to escape into the atmosphere. But if one of the containers is leaking, you've got an abnormal condition.
Groups A - D
Groups A - D: The gases and vapors of Class 1 locations are broken into four groups by the Code: A,B,C, and D. These materials are grouped according to the ignition temperature of the substance, its explosion pressure, and other flammable characteristics.

Group A - The only substance in group A is acetylene because it is a gas with extremely high explosion pressures.

Group B - This group includes hydrogen and other materials with similar characteristics.

Group C & D - The most usual Class 1 groups. They comprise the greatest percentage of all Class I hazardous locations. Found in Group C is ethylene. Found in Group D are many of the most common flammable substances such as butane, gasoline, natural gas and propane.
NEC/CE T-Code
T4
UL 844
Electric lighting fixtures for use in hazardous (classified) locations
Compliance
UL Listed
Suitable for wet locations. Suitable for mounting within 4 ft (1.2m) of the ground.
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.
IP Rating
Ingress protection rating of IP66 for dust and water
DLC Listed
This product is on the Design Lights Consortium (DLC) Qualified Products List and is eligible for rebates from DLC Member Utilities. Designed to meet DLC 5.1 requirements.
DLC Product Code: S-RT2K1P
Electrical
Driver
Constant Current, Class 1, 120-277V, 50/60 Hz, 120V: 3.38A, 208V: 1.95A, 240V: 1.69A, 277V: 1.47A
Dimming Driver
Driver includes dimming control wiring for 0-10V dimming systems. Requires separate 0-10V DC dimming circuit. Dims down to 10%.
THD
8.66% at 120V, 4.89% at 277V
Power Factor
99.3% at 120V, 95.0% at 277V
Aux Power Supply
No
Dim to Off
Yes
Surge Protection
L-N: 6 kV
L/N-PE: 10 kV
Optical
NEMA Type
7H x 6V Beam Spread
BUG Rating
B5-U3-G3
Construction
Cold Weather Starting
The minimum starting temperature is -40°F (-40°C)
Maximum Ambient Temperature
Suitable for use in up to 122°F (50°C).
Housing
Die-cast aluminum
Reflector
High-reflective polycarbonate
Lens
Tempered glass
Vibration Rating
3G vibration rating per ANSI C136.31
Tilt Increment
Rotates in 6 degree increments
Effective Projected Area
1 Fixture: 0.96 ft²
2 Fixtures at 90°: 1.8 ft²
2 Fixtures at 180°: 1.91 ft²
3 Fixtures at 90°: 2.75 ft²
4 Fixtures at 90°: 2.75 ft²
Gaskets
High-temperature silicone
Green Technology
Mercury and UV free. RoHS-compliant components.
Finish
Formulated for high durability and long-lasting color
Installation
Mounting
Slipfitter for 2 3/8"OD pipe
LED Characteristics
LEDs
Long-life, high-efficacy, surface-mount LEDs
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.
Color Consistency
7-step MacAdam Ellipse binning to achieve consistent fixture-to-fixture color
Performance
Lifespan
100,000-Hour LED lifespan based on IES LM-80 results and TM-21 calculations
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.

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