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Operator Information

Counter Shutters

Note: UL325 Standard requires covering moving components of all exposed motors mounted at or below 8 feet in height. Cornell's UL325 Compliance Recommendation

Sensing Edges Options for Cornell Doors Document

Models MG: cULus listed, industrial duty gear head operator rated for a maximum of 20 cycles per day. Totally Enclosed Non-Ventilated (TENV) motor. Factory pre-wired motor control terminals. Maintenance free, solenoid actuated brake. Motor mounted interlock available to 1/2 HP. Auxiliary manual chain hoist for emergency operation or provisions for auxiliary push-up operation. Auxiliary chain hoist safely cuts operator power when engaged: just pull to operate. Overload protection. Lubricated, heavy-duty gears. Compact operator / mounting configuration. Fully adjustable, driven linear screw type cam limit switch mechanism.

Cycle Rating: rated for a maximum of 20 cycles per day.
HP: 1/3, 1/2, and 3/4
Volts: 115, 208/230, 460 and 575.
Available for all units up to 3/4 HP rating that will routinely cycle up to 20 times per day.
Model MG Data Sheet

Model MG Installation Instructions \ Wiring Diagrams

Concealed Tubular Motors - provide a solution for strict dimensional limitations around the header or aesthetic requirements that lend themself to its smaller, compact design. Tube motors require less clearance than standard motor operators.

Cycle Rating: rated for a maximum of 10 cycles per day.
Sizes: tube motors are available for all counter shutters to a maximum width of 21'4", a maximum height of 10'0" with a maximum total of 120 square feet. Available for counter shutters with integral frame and sill up to 11'7" wide by 4' 10" high.
Volts: 110, 1 phase. 115 VAC power required.

Cornell Tube Motor Information Sheet

Components and Accessories Available.

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