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LiftMaster J 3/4 Hp Jackshaft Door Operator

$1,140.00
Specifications  
RADIO RECEIVER LiftMaster Security+2.0 and backwards compatible to Security+ 315 or 390 MHz residential garage openers
VOLTAGE CONNECTIONS Single-phase: 115V/230V dual voltage; 3-phase: 208V/230V/460V dual voltage;    3-phase: 575V single voltage
CONTROL CIRCUIT 5VDC NEC class 2
DRIVE REDUCTION Belt/chain & pulley; first-stage heavy-duty 5L V-belt; second-third-fourth stages #48 chain; #50 output sprocket chain
BEARINGS/BUSHINGS Industrial ball bearings on a 1” output reduction shafts
BRAKE Standard on 3/4 and 1 HP operators; optional on 1/2 HP; not available on 1/3 HP
CONSTRUCTION NEMA 1 type electrical box; heavy-duty 11-gauge steel frame with durable powder coat finish; all reduction sprockets drilled and pinned to shafts
WARRANTY 2 years
Availability: In stock

Key Features

 
STANDARD APPLICATION Recommended for lighter rolling steel doors/grilles and high or vertical-lift sectional
RATED DUTY CYCLE Standard-duty: Up to 25 cycles/hour and up to 90 cycles/day (using continuous-rated motor)
OPERATOR SPEED 8-9 Inches per second
LIMIT SETTINGS Mechanical
EMERGENCY DISCONNECT FOR MANUAL OPERATION Floor-level emergency release sash chain
EMERGENCY DISCONNECT WITH AUTO-RECONNECT Reconnects when tension is removed from emergency release sash chain
PROGRAMMING Control function selector dial/tactile button
CIRCUIT BOARD Solid-state Logic 5.0 circuit board
TIMER-TO-CLOSE Programmable in 1 second and 15 second increments up to 68 minutes, standard
CLUTCH Standard adjustable friction clutch
MID-STOP Programmable
RUN TIME PROTECTION Maximum run timer
MOTOR REVERSE ACTION PROTECTION Delay-on-reverse circuit
MOTOR OPERATOR WALL CONTROL 3-Button Control Station with Maintenance Alert System (MAS)

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