For Hazardous Locations Underwriters Laboratories and Canadian Standards Association Listed These explosion-proof motors are designed and approved for application in hazardous environments having certain explosive gases or materials present.
UL and CSA listed for Class I, Group C & D, and Class II, Groups F & G locations. Has grounding screw and all hardware provided. Mounts to motor by 3/4"-14NPT opening at rear of box.
Application Notes Application Notes: These motors must be applied in accordance with the National Electric, Article #500. A partial listing of explosive agents is noted below. Consult NFPA Publication 497M for a complete listing. No LEESON Motors are listed in Class I, Group A or B. Please note subheads above each column for qualifications of LEESON motor.
Class I Group A : Acetylene Group B : Butadiene, ethylene oxide, hydrogen, propylene oxide, manufactured gases containing more than 30% hydrogen by volume. Group C : Acetaldehyde, cyclopropane, diethyl ether, ethylene. Group D : Acetone, acrylonitrile, ammonia, benzene, butane, ethanol, ethylene dichloride, gasoline, hexane, isoprene, methane (natural gas), methanol, naptha, propane, propylene, styrene, toluene, vinyl acetate, vinyl chloride, xylene.
Class II Group E : Aluminum, magnesium and other metal dusts with similar characteristics. Group F : Carbon black, coke or coal dust.Group G : Flour, starch or grain dust.
Rugged mechanical construction meeting all requirements for safety. UL and CSA listed.
Double-shielded, pre-lubricated ball bearings are standard. All motors have inherent automatic overload protection. NEMA 1.0 Service Factor except as noted.
Explosion-proof conduit box included at no extra cost.
Capacitors on single phase designs are mounted inside the motor frame.