JET 2SS 1C 30 2 Ton 1 Phase 30 ft Lift Electric Chain Hoist with 115 230V 37.1HP 6 Overload Protection Yes Hook DP34.C01 6 Overload Protection Yes Hook Throat Opening (In Stub Shaft 12 7554 13 “O” Ring SAFETY• All SSC Series electric hoists have a slip clutch style overload protection that prevents the hoist from lifting damaging loads above its rated capacity• Thermal Overload Protection Protects the hoist from overheating in low voltage situations• DC Electromagnetic brake design is an industry proven safety feature that secures the load even if power is interrupted to the hoist all steel plate construction and powder coat finish keeps out dust and debris lengthening the life of the hoist• 24 volt 2 button pendant controller with cable strain relief system is included