LiftMaster MGJ MGJ S-SERIES Manual - Page 3

SPECIFICATIONS MOTOR TYPE Intermittent Duty HORSEPOWER 1/2Hp 1 or 3 Phase SPEED 1050 RPM VOLTAGE 115, 60HZ, 1Ph 230V, 60Hz, 3Ph CURRENT: See motor nameplate ELECTRICAL TRANSFORMER 24VAC CONTROL STATION: ......NEMA 1 three button station. OPEN/CLOSE/STOP WIRING TYPE B2-C2 (Factory Shipped) LIMIT ADJUST Linear driven, fully adjustable screw type cams. Adjustable to 24 feet. MECHANICAL DRIVE REDUCTION 40:1 Reduction (Heavy duty wormgear-in-oil-bath speed reducer) OUTPUT SPROCKET: ..........Size #41 DOOR SPEED: .........1Ph, 23RPM 3Ph, 39RPM BEARINGS: Heavy duty wormgear-in-oil-bath speed reducer. SAFETY DISCONNECT Floor level disconnect for emergency manual door operation. REVERSING EDGE Optional) Electric A REVERSING EDGE IS STRONGLY RECOMMENDED FOR ALL COMMERCIAL OPERATOR INSTALLATIONS. REQUIRED WHEN THE 3 BUTTON CONTROL STATION IS OUT OF SIGHT OF DOOR OR ANY OTHER CONTROL (AUTOMATIC OR MANUAL) IS USED. MGJ WEIGHTS AND DIMENSIONS HANGING WEIGHT: .........80-110 LBS. 7.50" 10.50" 11.05" MOUNTING DIMENSIONS 5.50" 7.00" 9.25" 3.00" 11.00" 4.75" 3