Door shaft spreader
arm included on standard shaft sizes (1", 1 1/4")
Available with emergency
chain hoist
Shipping weight 110
lbs.
Electrical:
Instant-reverse motor
with automatic reset overload
Available in all voltages
24-volt control circuit
Contactor-type magnetic
reversing starter
Three-button control
- open-close-stop
Adapted for radio controls
(B-2 wiring) and electric edge or photoelectric beam
Optional accessories
available
For use on vertical and
high-lift doors and smaller rolling doors.
Available in:
1/2 HP
115, 230 or 440 Volt
single or three phase
OSCO
strongly recommends use of photoelectric beam or electric door edge
Model
JH-DC • Battery Back-up Industrial Jackshaft Operator
Battery
back-up industrial jackshaft operator designed for rolling grills, high lift,
vertical lift and rolling curtain doors.
Electrical:
24 VDC permanent magnet
motor
115 VAC supply converted
to 24 VDC for motor, controls and battery charging
Separate control box
with batteries for wall mounting
DC motor brake
Power on/off switch
Three-button control
station
24 VDC accessory connections
Easily adjustable rotary
limit switches
Full system capable
for access controls and reversing devices
Mechanical:
Adjustable friction
clutch
Heavy-duty chain and
sprocket drive
Rollerball bearings
on shafts
Cable release for manual
operation
Battery
Back-up:
Battery bank charged
by 115 VAC
Charging circuit monitors
and maintains battery levels, monitors AC availability, automatically switches
to batteries when AC is removed, and automatically resumes AC operation
Control circuit
options in absense of AC power Option 1:
Fail safe (opens the gate and shuts down until AC power is restored)
Option 2: Fail secure (continues to cycle doors in normal operation until
batteries run down and then cycles open. Resumes cycling when existing batteries
are charged or when fresh batteries are installed)
Reduction:
Belt, chain and sprocket
speed reductions. Average door operating speed is approximately 0.8 to 0.9
feet per second
Control
Circuit:
Solid state circuit
board, 24 VDC
Inherent adjustable
current sensing system
Multiple LEDs for easy
setup and troubleshooting
Built-in maximum run
timer and auto close timer
Reversing
Devices:
A reversing edge or
photo electric control is required
Anti-Entrapment/Detection
Devices:
Operator is pre-wired
to accept contact and non-contact detection devices such as reversing edges
and/or photo electric eyes.
