Trolley Type
Commercial Operator
 | 1/3, 1/2 or 3/4 H.P. motor |
 | Overload and undervoltage protection |
 | Door may be stopped in any position and moved up or down with three button control |
 | Built-in load-sensing device automatically stops door if downward-travelling door meets
an obstruction |
 | Belt and chain drive for long lasting quiet operation |
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Jackshaft Type
Commercial Operator
 | 1/3, 1/2 or 3/4 H.P. motor |
 | Door may be stopped in any position and moved up or down with three button control |
 | Easily adjusted limit switches for both up and down positions |
 | Adjustable friction clutch provides safety to operator and door throughout opening and
closing cycles and is easily adjusted in field |
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