LiftMaster SL585-5011G3 Heavy-Duty Gear-driven Slide Gate Operator 1/2HP 115VAC Single Phase 1/2 Hp, 115 VAC, single-phase, G3 Logic Control Board and 24VAC Accessory Power Output UL325-Compliant Entrapment Alarm with external reset and adjustable inherent entrapment protection Full Systems Capability-Compatible with most access control devices and safety accessories Industrial-Size 0 Across-the-Line Magnetic Reversing Contactor High-Starting Torque, Continuous-Duty Industrial Motor with Overload Protection