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Dor-Co Garage Doors


DOR-CO COMMERCIAL TROLLEY OPERATORS
Trolley T . Trolley BT . Trolley MT . Trolley APT . Trolley ATS

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Trolley Model BT

TROLLEY MODEL BT
Industrial-Duty Trolley Operator for Standard Lift Sectional Doors

Applications:
The Model BT continuous-duty door operator is designed for use on industrial sectional overhead doors with standard lift.

Standard Features:
• Choice of two Control Circuits:
- Logic 3.0 Control Board (L3)
Available on 115V, 208/230V, 460V and 575V
- Reversing Contactor Circuit (M)
- Features size 0 industrial linear contractor
• High starting torque continuous-duty motor with overload protection
• Heavy-duty 5L V-belt
• 3-button control station
• Type C2 wiring standard, B2 easily field set by moving 1 jumper wire or setting a switch (see Sensing Devices)
• Industrial ball bearings on output shaft
• Solenoid brake, system
• External radio control terminals
• 24VAC control circuit (M), 5VDC (L3)
• Motor removable without affecting limit settings
• NEMA 1 type electrical enclosure
• Adjustable friction clutch
• Emergency disconnect for manual operation
• Fully adjustable linear driven limit mechanism
• Solenoid brake, standard on 3/4 HP and 1 HP units
• Trolley track for doors up to 12' high standard with swing-up header bracket
• Quiet gliding rail spacers
• #48 roller chain drive on 1/3, 1/2 HP models
• #41 roller chain drive on 3/4, 1 HP models
• Baked-on high-durability black powdercoat finish
• Door speed approximately 8 to 12 inches per second
• 2-year warranty