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4 Pelco Manual C373M-F (10/98)
2.0 DESCRIPTION
The PT1250DC is a heavy duty pan/tilt ruggedly constructed to comfortably oper-
ate with loads up to 100 lbs (45.36 kg). High torque D.C. motors with heavy duty
adjustable worm gear final drive assemblies eliminate backlash and drifting. Equally
important to the operator is dynamic braking for instantaneous stopping.
Extremely serviceable, the PT1250DC features access to all electrical and me-
chanical components.
The PT1250DC is manufactured from cast and plate aluminum with all internal
parts corrosion protected steel or aluminum. Limit stops are externally adjustable
for ease of installation.
2.1 MODELS
PT1250DC Heavy duty, indoor/outdoor pan/tilt, 115 VDC
PT1250DC/FG Same as PT1250DC except supplied with special high-spedd
gears (12°/6° per second pan/tilt speed). Reduces total load
rating to 50lb (22.68)
PT1250DC/HB Same as PT1250DC except supplied with spot heater in base,
blanket heater in cover, 120 VAC (230 watts total). Allows
operation to -50°F (-46°C)
PT1250DC/PP Same as PT1250DC except supplied with position feedback
modification. Requires preset control or control with AZL
option (panel readout meters)
PT1250DC/RAD Same as PT1250DC except supplied with radiation resistant
wiring and white epoxy paint. Low level radiation resistant up
to 10
6
rads
2.2 RATINGS
• NEMA Type 3R
• IP 32