Powermaster J V Belt Jackshaft Operator Spec Sheet

Model "J”
V-Belt Jackshaft Operator
PowerMaster Model “J” operators are designed for
use on Standard Lift Sectional Doors and Rolling
Service Doors and Grilles.
STANDARD 2 YEAR WARRANTY.
Architectural
Specifications:
Supply PowerMaster Model "J" Industrial Duty Jackshaft
type operator
___HP ___VAC ___PH for use on
Standard Lift Sectional Doors and Rolling Service Doors
and Grilles. Primary reduction shall be by heavy duty VBelt Drive. Secondary reduction shall be a chain and
sprocket arrangement. Reduction stages shall be
arranged so that mechanism is self locking when torque
is applied at output shaft. All reduction shafts shall be a
minimum of 1" in diameter, supported by bronze oilite
bearings. Operator shall provide an adjustable torque
limiting clutch.
Motor shall be of the high starting torque, continuous duty
industrial type, protected from overload by a current
sensing or thermal type overload device. Motor controller
shall be a heavy duty, full voltage, across the line,
magnetic reversing contactor, that is mechanically and
electrically interlocked. Electrical components shall be
installed in a NEMA 1 enclosure integral to the operator.
A transformer shall be provided to reduce control voltage
to 24 VAC. Separate terminal strips shall be provided for
connection of power supply line and all control devices.
Operator shall be wired for an open/close/stop control
station.
Control circuit shall provide instant reverse motor wiring
on 1Ø operators. Positive chain driven, rotary type limit
switches shall be provided to limit full open and close
travel of door. Limit switch adjustment shall not be
affected by removal of motor or by manual operation of
door. A floor level manual disconnect chain shall be
provided for emergency release and operation of door.
An electrical interlock switch shall be provided to disable
control circuit while emergency release chain is engaged.
Final drive chain shall be a #50 or larger roller chain.
PowerMaster Garage Door Openers
Proudly Assembled in the USA
Electrical
Specifications:
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High Starting Torque Motor with Full Overload Protection
Solid State Circuitry with Power and Program Feedback LED’s
On Board Open/Close/Stop buttons for service and adjustments
Terminals labeled and grouped by function
Auto-Detect monitored photo beam for simplified installation
Selectable Operating modes B2, C2, D1, E2, T, TS
Field adjustable built in functions including: timer to close, mid-stop, delay
on reverse, lock bar sensing, maximum run time, etc.
Mechanical
Specifications:
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For Use on Standard Lift Sectional Doors, Rolling Service Doors & Grilles
Heavy Duty V-Belt and Chain Reduction, Mechanically Self Locking
Heavy Duty #50 Roller Chain and driven sprocket Included
Adjustable Torque Limiting Clutch
Floor Level Disconnect & Electrical Interlock (For Manual Operation)
Baked on Grey Powder Coat finish
All types of Access Controls
available. Call for pricing.
14-1/2"
15"
3-1/4"
7-3/4"
MTG. DIM.
18"
13"
MTG. DIM.
1-1/2"
15"
2"
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