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1022 Elm Street
Rocky Hill, CT 06067

Hartford: 860.571-3615
Middletown: 860.345.3495
New Haven: 1-866.239.4041

24/7 Emergency Service
1-860-384-3648

saleslds@htco.com



Please see below a chart of the Liftmaster Commercial Electric Operators to aid in picking the best operator for your needs.   Please click on the model number for further information and access to the Liftmaster site.

Usage
Standard
Lift
Sectional
High or
Vertical
Lift
Sectional
Rolling
Doors &
Grilles
Sliding
Doors

Light Duty
7-8 cycles/hr.
-

Medium-Duty
12 cycles/hr.
>50 cycles/day
MJ | MGJ
MGJ | MH
-

Standard-Duty
Up to 25 cycles/hr .
at peak periods.
Up to 80-90 cycles/day
DJ | J
DH | H

Heavy-Duty
25 cycles/hr.
constant high loading
In excess of 90 cycles/day
-
Special Application
APT | HCT
-
-


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