• HAZARDOUS DUTY® DIVISION 1 EXPLOSION PROOF MOTORS • CLASS I AND II, GROUPS C, D, E (AS NOTED), F & G • STEEL FRAME, STANDARD AND NEMA® PREMIUM EFFICIENCIES, THREE PHASE MOTORSFEATURES: • 1.0 service factor (except as noted) • Meets temperature code T3B • Explosion proof conduit box included, shipped loose • UL listed file no. E12044 • CSA certified file no. LR47504 • Automatic overload (except as noted) • Model 056T17G5312