The EPL-HB-B-175LED-RT-WLMÂ from Larson Electronics is an Explosion Proof High Bay LED Light Fixture that provides operators with a powerful and energy efficient alternative to traditional hazardous location luminaries. Cree LED technology and solid-state architecture makes this lamp an excellent replacement upgrade option for bulky incandescent, metal halide and high pressure sodium lights, which are associated with higher operating costs and frequent maintenance. This 175-watt LED fixture is suitable for use in Group B rated hydrogen environments including: aerospace, petroleum refineries, fertilizer production plants, welding/heat treatment and pharmaceuticals.
The Class I, Divisions 1 & 2 and Class II, Divisions 1 & 2 explosion proof light fixture provides 25,000 lumens of high quality light while drawing only 175 watts. The copper free aluminum alloy body is powder coated for added durability and an attractive aesthetic appearance. A special heat dissipating design in conjunction with LED technology helps this fixture to achieve an excellent 60,000-hour rated lifespan with 80% lumen retention. The low-profile housing makes this lightweight unit an attractive alternative to larger, heavier and older fixtures and requires less hardware to install.
This explosion proof LED light fixture is paint spray booth listed, IP67 rated, dust-proof, and protected against high pressure jets and temporary submersion. The heavy-duty housing and solid-state design gives this light excellent durability and resistance to vibration and impacts.
LED Benefits: Unlike gas burning and arc type lamps that have glass bulbs, LEDs have no filaments or fragile housings to break during operation and/or transportation. Instead of heating a small filament or using a combination of gases to produce light, light emitting diodes (LEDs) use semi-conductive materials that illuminate when electric current is applied, providing instant illumination with no warm up or cool down time before re-striking. Because there is no warm up period, this light can be cycled on and off with no reduction in lamp life.
LED lights run at significantly cooler temperatures than traditional metal halide and high pressure sodium lights and contain no harmful gases, vapors, or mercury, making them both safer and more energy efficient. No extra energy is wasted in cooling enclosed work areas due to external heat emissions from bulb type lights, and the operator risks associated with traditional lighting methods, such as accidental burns and exposure to hazardous substances contained in the glass bulbs, are eliminated. In addition, LEDs are also safer for the environment as they are 100% recyclable, which eliminates the need for costly special disposal services required with traditional gas burning and arc type lamps.
LED Drivers: Even in LED fixtures, heat is the single largest factor in premature light failure and color shifting. As a result, many manufacturers reduce the output of their LEDs in order to reduce the amount of heat produced. Rather than lower light output or quality, Larson Electronics addresses this problem with the addition of electronic LED drivers. These internal drivers provide the ability to automatically monitor and adjust input current to maintain the correct LED voltage levels regardless of input levels across a specific range. This not only reduces the energy dissipation, effectively lowering the operating temperature of the fixture, but also prevents AC over-voltage and short circuit loading making this fixture virtually maintenance free. Because the electronic drivers allow the EPL-HB-B-175LED-RT-WLMÂ to run at a cooler internal temperature and regulates the electrical current, energy efficiency and LED service hours are maximized while at the same time reducing operating costs and downtime incurred from the frequent servicing intervals required with other hotter running lights.
The explosion proof LED light fixture features multiple LED drivers which helps to increase the operational life of the fixture. With traditional LED lights, in the event an LED array or driver fails, the entire fixture no longer illuminates. With the EPL-HB-B-175LED-RT-WLMÂ series of explosion proof lamps from Larson Electronics, each LED fixture contains individual LED boards configured in a series of four banks. In the event of a driver failure, only one bank of LEDs will be effected while the other banks will continue to operate. In the event that of an LED failure, the mating LED will continue to operate.
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| 60° Beam Angle |
125° Beam Angle |
140° Beam Angle |
Beam Angles: As a permanent lighting solution, selecting proper beam angles can help support specific tasks and safe operations at combustible facilities. The 60° beam provides the most intense beam of the three options. It is perfect for narrow, confined spaces and is ideally suited for tank cleaning purposes. It offers focused light to provide ample illumination to tight work spaces and other environments. The 125° beam offers a more diffused source of light that is also less intense in brightness. It is a great general area work light and performs well when used for outdoor illumination. The 140° beam offers a very wide lighting pattern and is ideal for situations where lighting distance is not a concern, but illumination of a wider area and even light distribution is. The 140° beam is great for situations that call for working in close proximity to lights such as in a paint booth.
This unit produces 25,000 lumens with a color temperature of 5000K standard and a color rendering index of 75 which produces colors and details much more accurately than high pressure sodium or mercury vapor luminaries. We also offer 2700K, 3000K and 3500K warm white and 4000K or 4500K natural white color temperature options (longer lead times may apply for non-standard temperatures). This lamp uses Cree LED units that have been chosen for their high lumen per watt ratio and extreme longevity. These Cree LEDs generate a robust 140 lumens per watt effective lumen output and have a 80% lumen retention at 60,000 hours, giving them better efficiency and operational life than traditional light sources.
Field Serviceability: This explosion proof LED light fixture is field serviceable. All major internal components can be purchased from Larson Electronics and installed by a licensed electrician with basic tools. With most explosion proof fixtures, the fixture must be returned to the manufacturer for repair work, which presents downtime and long turn around times for repair work. Larson Electronics addresses this issue with the EPL-HB-B-175LED-RT-WLMÂ series with field serviceability, allowing operators to perform service work without having to return the fixture to the manufacturer in the event of damage or failure.
| Energy Consumption Comparison |
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Metal Halide |
LED |
| Wattage |
400 watts |
150 watts |
| Amp Draw @ 120V AC |
3.83 amps |
1.25 amps |
| Amp Draw @ 220V AC |
2.09 amps |
0.68 amps |
| Amp Draw @ 240V AC |
1.92 amps |
0.63 amps |
| Amp Draw @ 277V AC |
1.66 amps |
0.54 amps |
| Amp Draw @ 12V DC |
38.33Â amps |
12.5 amps |
| Amp Draw @ 24V DC |
19.12 amps |
6.25Â amps |
| Lamp Life Expectancy |
20,000 hours |
60,000+ hours |
| Operation cost per year
(12hs/day @ 12c/kWh) |
$241.78 |
$78.84 |
| Each LED light fixture has the potential to save $150.00+ per year in electricity alone, not including maintenance costs, operational downtime, reduced productivity, HVAC loads, or carbon footprint. When retrofitting an entire facility with 100s of light fixtures, the return on investment of LED over metal halide becomes evident. |
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Voltage: This explosion proof LED light is universal voltage capable and can be operated with 100-277V AC, 50/60 Hz without modifications to the fixture. A low voltage version of this LED fixture that operates on AC/DC voltages from 11-25 volts is also available. Units compatible with 18-48V AC/DC voltage are available for network systems and marine vessels. We also offer an additional 347-480V high voltage, 125-250V DC, and 0-10V dimmable versions of this explosion proof LED light fixture.
Wiring: The Class I, II and III rated explosion proof high bay LED fixture comes with 10' of 16/3 SOOW cord with flying leads for seamless connection to customer-provided power sources. Wiring is fed through rigid pipe to the junction box and tied in to the fixture's lead wires, completing the electrical connection.
Mounting: The EPL-HB-B-175LED-RT-WLMÂ comes standard with a wall-mount configuration. This mounting component extends the fixture up to 6" from a flat, vertical mounting surface. Spacing between the mounting component and LED fixture's fins, which are located at the back of the unit, streamline cool operation. This wall-mounting solution is ideal for illumination directly above busy sections of facilities, work areas, doorways and more. Additionally, the mounting configuration can facilitate accurate light placement over control stations, switchboards, panels and segregated sections of work sites.
Larson Electronics offers a wide selection of explosion proof high bay LED fixtures, from 100 watts to 300 watts, with various lumen output capabilities and explosion proof ratings. Emergency units with battery backup features are available, which are ideal for combustible facilities requiring protection from utility outage and unreliable power supply. High bay LED fixtures with emergency battery backup also ensure illumination along narrow egress pathways (exit routes, hallways, etc.) and compliance with safety standards or building codes. Our series of explosion proof high bay LED fixtures extend to units with built-in occupancy sensors. Combining cutting-edge motion sensors with explosion proof LED lights contribute to long-term cost savings and facilitate automated operation, resulting in a safer workplace. Additional mounting types are available for this model, such as: wall, ceiling and stanchion.
Suggested Applications: The EPL-HB-B-175LED-RT-WLMÂ is approved for use within environments where flammable or combustible gases, vapors, dusts, fibers, and flying exist or stand the potential to exist, and is ideal for a wide variety of applications.
Applications include but not limited to Group B rated hydrogen environments, aircraft maintenance, alcohol processing, aerospace, chemical manufacturing, coke processing, cold storage, compressed natural gas (CNG) facilities, cranes, cryogenics, distilleries, food processing (with food grade gasketed polycarbonate lens: ), fuel storage, gas processing plants, grain processing, laboratories, liquefied natural gas (LNG) facilities, liquid propane gas (LPG), manufacturing, marine vessels, methane production, mining, offshore, oil drilling rigs, oil refineries, paint spray booths, paper processing, petrochemical, pharmaceuticals, power plants, production refineries, sand blast cabinets, sewage and septic tanks, shipyards, solvent and cleaning areas, storage facilities, tank farms, tankers, textile, washdown areas, waste treatment plants, and woodworking. .
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