TOTALLY ENCLOSED STEEL PLATE CONSTRUCTION. ELECTRIC HOISTS INCLUDE A HEAVY DUTY VENTILATED MOTOR. SINGLE-PHASE HOISTS FEATURE THERMAL OVERLOAD PROTECTION WHILE THREE-PHASE UNITS HAVE REVERSE PHASE PROTECTION. GEAR TRAINS ARE PERMANENTLY LUBRICATED FOR LONG LIFE. ELECTROMAGNETIC BRAKE HOLDS THE LOAD EVEN IF POWER IS INTERRUPTED. UPPER AND LOWER LIMIT SWITCHES PREVENT OVER-TRAVEL. FEATURES SLIP CLUTCH OVERLOAD PROTECTION AND CHAIN CONTAINERS. HEAT-TREATED DROP FORGED HOOKS SWIVEL 360 DEGREES FOR EASY RIGGING. DURABLE POWDER COAT FINISH. CONTROL CORD IS 2' SHORTER THAN LIFT. H3 RATED. IDEAL FOR COMMERCIAL AND INDUSTRIAL APPLICATIONS.