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SPECIFICATIONS
MOTOR
(RESILIENT MOUNTING)
TYPE:...................................................Continuous duty
HORSEPOWER: .................................................1/2 Hp
SPEED: .........................................................1725 RPM
VOLTAGE:........................................................115 Volt
CURRENT:........................................................10 AMP
MECHANICAL
DRIVE REDUCTION:
1st Reduction: ....................Heavy duty (4L) V-Belt
2nd Reduction:................#48 Chain and sprockets
Output: ................................................... #48 Chain
OUTPUT SHAFT SPEED: ...........................144 R.P.M.
DOOR SPEED:..................................11" – 13" per sec.
BEARINGS:............................Heavy duty ball bearings
BRAKE: ......................... Optional solenoid drum brake
VIBRATION ISOLATION KIT.........................Standard
WEIGHTS AND DIMENSIONS
POWER HEAD WEIGHT .........55 LBS.
9.5"
with or
without
brake
9"
16.25"
with
brake
16.1"
Single phase
DOOR HEIGHT + 4' - 2 3/8"
14.5"
13.75"
13"
27.4"
30" with light box
C L
ELECTRICAL
CONTROL VOLTAGE:........................................5V dc
AUXILIARYVOLTAGE: .....................................24V dc
CONTROL STATION: .....................................3 Button
WIRING TYPE: .......................................B2 (Standard)
Momentary contact to OPEN/CLOSE/STOP plus
wiring for sensing device to reverse and auxiliary
devices to open and close with open override (other
types available. See chart.)
LIMIT ADJUST:..............Linear driven, fully adjustable
screw type cams. Adjustable to 22 feet.
DISCONNECT: ........................................Spring loaded
CLUTCH: ...................................Adjustable friction type
REVERSING EDGE: ......................................(Optional)
Electric or pneumatic sensing device attached to the
bottom edge of door. 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. See page 8.
2
OPEN/CLOSE/STOP, NEMA 1
SAFETY
trolley disconnect arm
MIN. CLEARANCE OF 2"
FROM HIGH ARC OF DOOR
TO BOTTOM OF TRACK
7-1/2"
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