A Closer Look.
400 Watt - Cronos II Series - LED Hazardous Location Light - Class I Div II Approved - 64,000 Lumens - Flood Mount - Gray Housing
Download Specsheet: 400W CRONOS II
Rating and Certificates
IP66
UL 844
UL 1598
UL 8750
UL 1598A
CSA C22.2 No.137/No.250.0/No.250.13
Class l Division 2 - Groups A,B,C,D, T4/T4A
Marine and Wet Locations
(Not DLC Listed)
BETTER DESIGN - 400 watt Cronos Series Hazardous Location Light is powered by Bridgelux SMD 3030 LEDs with a maximum output of 66,400 lumens at an amazing 166 Lumens per Watt. Bridgelux 3030 LEDs drive a high quality light with an impressive 70+ CRI.
CLASS I, DIV II APPROVED - Certified for mines, marine, military, gas and other higher risk areas. Designed for safety in extreme conditions.
SMALLER SIZE - New design the latest in LED technology. Smaller, longer lasting and more efficient. Rectangular housing style for a classic look.
EASY INSTALLATION - Large U-shaped flood bracket for multi-application mounting. Fitting on the top can also be removed for pendant style mounting with a standard 3/4" Diameter x #14 Thread Downrod or Stem (sealant needed for proper seal). Simple replacement for existing lights or for new installation.
BRIGHT, DIRECT and BUILT TO LAST - 110Degree angle of light creates a wide even light. 150,000 LED saves having to replace bulbs- Aluminum Housing with high tech Heat Sink protects the LED Driver. Better Heat dissipation ensures longer LED life and safety.
UL RATED and WARRANTY - UL listed for safety. 5 year rock solid warranty backed by our US Tech and Customer Support Team.
400 Watt Cronos II Series LED Hazardous Location Light - Class I Div II approved - 66,400 Lumens - Cronos II Series Explosion Proof Lights
These lights are the latest in LED technology. Smaller size and more efficient than the traditional High Bay Lights, these look better, last longer and are easier to install.
Replace your old Class 1 Division 2 with a high efficiency LED. Save money and replace bulbs less often with a 150,000 hour rated LED. Fixture is also ideal for new installations. Save money and improve lighting
Delivered Lumens: 66,400
Input Wattage: 400W
Input Voltage Range: 120-277VAC (277-480VAC also available upon custom order)
Color Rendering Index (CRI) 70+
Beam Angle 110
Power Factor 0.98
Frequency 50/60Hz MAX THD (%) 20
Driver: Top-tier Sosen SOSEN SS-240M-56BHx2 0-10V Dimmable Driver
10kV Surge Protection Built-in for Extended LifeSpan
Min. Ambient Temp -40.0 F / -40 C - Max Ambient Temp 131 F / 55 C
IP Rating IP66 waterproof
Mounting Options: Included U br" x #14)
Product Weight 51.8LB / 23.5KG
Product Dimensions: 20.47"L / 5.54" W / 17.2" H including U-Bracket Mount
Materials Die Cast Aluminum.
Double Reinforced Clear Glass Lens
Life Time 150,000 Hours
UL Listed
Not DLC Listed
Warranty 5 Years Rock Solid
About RuggedGrade Lighting
Rugged Grade Lighting is a California, USA owned and operated commercial lighting manufacturer. All of our sales and support is based in the USA and unlike others, we will be here for the long term. We are committed to designing only premium LED products and backing them up with better support and service. Our motto is Industrial Grade Solutions because our lights are built better and last longer.
Designed in the USA. Copyright 2012-2025
Before Choosing This Fixture
Use SKU 61-184 when confirming the configuration. Check the published voltage and mounting interface, identify separately ordered accessories, and confirm availability before planning installation.

