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Model Ex99 Explosion Proof Lighting UL 844 Listed T4A

Model SLEXThe Model Ex99 is a compact, UL-844 listed explosion-proof light which provides lighting and viewing through a single sight port.  The Ex99 allows for relamping in place without disturbing the unit.  The unit has separate compartments for the lamp and wiring with deep-slotted covers for easy removal/access.

Explosion-proof, UL-844 listed, electric lighting fixtures are used in hazardous (classified) locations, lights for single port viewing have been designed to meet the needs of our customers who require lighting and viewing through a single sight glass.

The Model Ex99 uses a high-intensity halogen lamp to provide bright, glare free illumination of the interior of vessels, tanks, hopper, silos, mixers and other normally closed containers in hazardous locations requiring explosion-proof equipment.

  • Relamp in place without disturbing the unit.
  • Individual compartments for the lamp and wiring.
  • Compact for lighting and viewing in one sight glass.
  • High intensity Halogen Incandescent Bulb - 100W (120 VAC).
  • Universal mounting.
  • Borosilicate glass.
  • Corrosion resistant cast aluminum housing.

EX-99 Dimensions EX-99 Dimensions (99 KB)

EX-99 Bracket Choices EX-99 Bracket Choices (151 KB)

 
Features:
The fixture can be relamped without removing the unit from the sight port or distributing any electrical connections.
Corrosion resistant cast aluminum housing.
Individual compartments for the lamp and wiring.

Compact for lighting and viewing in one sight glass.
High intensity 100 Watt Halogen Bulb.
Universal Mounting
Light weight @ 7 Lbs.
Borosilicate glass window.
 
Specifications:
Rating: UL 844 Listed This fixture is suitable for use in the following locations as defined by the National Electric Code:
Class 1, Division 1, Groups C & D
Class 1, Division 2, Groups C & D
 
Temperature Code: T4A This fixture is rated for Temperature Code T4A for maximum ambient temperature of 104° F
 
Lamp / Electrical Data:
  • Voltage / Wattage: 120 VAC only / 100 Watts
  • Lamp Type: Halogen Incandescent
  • Lamp No.: 100Q/CL/DC ESR
 
Dimensional Information:
EX99 Light
 
CODE NUMBERS FOR TEMPERATURE RANGES
Code No. T1 T2 T2A T2B T2C T2D T3 T3A T3B T3C T4 T4A T5 T6
°C 450 300 280 260 230 215 200 180 165 160 135 120 100 85
°F 842 572 536 500 446 419 392 356 329 320 275 248 212 185
 
HAZARDOUS LOCATIONS: DEFINITIONS & CLASSIFICATIONS
The classifications and definitions have been simplified and abbreviated. For a complete listing of the various liquids and vapors, consult American National Standard ANSI/NFPA 497M and Articles 500 through 503 of the NEC. The final determination of hazardous location requirements must be made by your local inspector.
Classes

Class I. Flammable gases or vapors.
Class II. Combustible dusts.

Divisions

Division 1. Hazardous conditions present under normal operating conditions.
Division 2. Hazardous conditions present only in case of abnormal or unusual operating conditions, such as failures of mechanical ventilation systems or ruptures of containers.
Class I Locations
Group C. Atmospheres containing acetaldehyde, cyclopropane, diethyl ether, ethylene, isoprene, unsymmetrical dimethyl hydrazine (UDMH), etc.
Group D. Atmospheres containing acetone, acrylonitrile, ammonia, benzene, butane, 1-butanol (butyl alcohol) ethane, methane, methyl ethyl ketone, petroleum naphtha, octane, pentane, etc.

Class II Locations

Group E. Atmospheres containing dusts of aluminum, magnesium or their commercial alloys.
Group F. Atmospheres containing carbon black, coal or coke dust.
Group G. Atmospheres containing flour, starch or grain dust.