MEDIUM-DUTY TROLLEY OPERATOR FOR STANDARD-LIFT SECTIONAL DOORS
Powerful 1/2 HP, single-phase motor with instant reverse and internal automatic reset thermal overload. Removable without affecting limit switch settings.
Spring-loaded disconnect for emergency manual operation.
Dependable dual relay system (NEMA 1 enclosure).
24V NEC Class 2.
All operators are factory preset to C2 wiring, providing momentary contact to open and stop, with constant contact to close. Momentary contact to close (B2 wiring) can be easily set. The operator is prewired to accept a sensing device, photoelectric sensors, radio controls and most types of access control equipment.
First-stage heavy-duty 4L V-belt; second and third stages #48 chain; output on trolley #48 chain.
Heavy-duty oil-filled bearings.
Adjustable friction clutch helps protect against damage to the door and operator should the door meet an obstruction. Works in conjunction with the Auxiliary Reversal System.
AUXILIARY REVERSAL SYSTEM
Designed to protect the door and door operator from damage; if a closing door strikes an abstruction, the Auxiliary Reversal System will detect the slip of the clutch and reverse the door to the full-open position. This system is not a substitute for a safety sensing device such as a photo cell or reversing edge.
PUSH BUTTON STATION
3-button station, for open/close/stop functions, is standard for all operators. Controls with 1, 2 and 3 buttons are available.
EXTERNAL RADIO CONTROL TERMINAL
External terminals provide quick, convenient connections for universal radio controls.
NEMA 1 type electrical box, heavy-duty 11-guage steel frame with baked-on powdercoat finish, all reduction sprockets drilled and pinned to shafts.
High-strength dual L-rail track with exclusive nylon quiet-gliding chain guides on rail spacers for quiet, smooth operation. Includes quickmount header bracket, which provides fast, swing-up installation.