3
MOTOR
TYPE: . . . . . . . . . . . . . . . . . .Continuous duty
HORSEPOWER: . . . . . . . . .1/3, 1/2, 3/4 & 1 HP
SPEED: . . . . . . . . . . . . . . . .1725 RPM
VOLTAGE: . . . . . . . . . . . . . .115, 208-230 Single phase
230, 380, 460, 575 Three
Phase
CURRENT: . . . . . . . . . . . . . .See motor nameplate
MECHANICAL
DRIVE REDUCTION: . . . . . . .Primary: Heavy duty (5L)
V-Belt. Secondary: #41 chain/sprocket. Output: #48
chain (1/3 &1/2HP) or #41 chain (3/4 &1HP)
OUTPUT SHAFT SPEED: . . . .140 R.P.M.
DOOR SPEED: . . . . . . . . . . . .11" - 12" per sec.
depending on door
BRAKE: . . . . . . . . . . . . . . . . . .Solenoid actuated disc
brake on 3/4 & 1HP
BEARINGS: . . . . . . . . . . . . . . .Output Shaft: Shielded
Ball Bearing. Clutch Shaft: IronCopper sintered and oil
impregnated.
SAFETY
DISCONNECT: . . . . . . . . . . . . .Quick disconnect door
arm for emergency manual door operation.
SAFETY PHOTO EYES (Optional): Thru beam or retro
reflective devices used to provide non-contact safety
protection. Directly interface to Lift Master CPS-L or
CPS-LN4 Commercial Protector Systems.
SAFETY EDGE (Optional): . . . Electric or pneumatic
sensing device attached to the bottom edge of door.
A REVERSING DEVICE 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.
SPECIFICATIONS
ELECTRICAL
TRANSFORMER: . . . . . .24VAC Secondary
CONTROL STATION: . . .NEMA 1 three button station.
OPEN/CLOSE/STOP W/ LED
WIRING TYPE: . . . . . . . .C2 (Factory Shipped)
Momentary contact to OPEN & STOP, constant pressure
to CLOSE, open override plus wiring for sensing device
to reverse. See pages 15 thru 19 for optional wiring
types and operating modes.
LIMIT ADJUST: . . . . . . . .Linear driven, fully adjustable
screw type cams. Adjustable to 24 feet.
WEIGHTS AND DIMENSIONS
HANGING WEIGHT: 80-110 LBS.
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