• Motor: 1/2HP with high-starting torque and thermal overload protection
• Ball bearings on drive shafts are permanently lubricated and sealed
• Clutch: Adjustable Friction
• Drive reduction: First stage is an automatically tensioned heavy-duty V-belt, and second stage #48 chain and sprocket
• Brake: Solenoid-actuated mechanical disc brake system optional
• Programmable B2, C2, D1, E1, T, TS operational modes
• Mechanical limits with metal limit nuts
• Photo-eyes included
• 3-Button O/C/S station included
• 24V NEC class 2 control
• NEMA 1 enclosure
• Radio Control: Onboard or external terminals for a 3-wire radio system
• Robust dual L-track for up to 14' high door
• Swing-up header bracket
• Rail spacers
• Spring-loaded manual disconnect arm
• Warranty: 2-year/20,000 cycle limited
• Door speed: Approx 8-9 in/s
• Weight: Shipping weight approx 52 lbs. without track

Item Number: MDT-50-11

Product Manual: MDT-50-11 Manual

Product Brochure: Commercial Door Operator Sell Sheet

Entrapment Protection Device: Guardian Compatibility

Installation Information: Infographic

OPTIONS

• MDT-50-11 Medium-Duty Trolley Operator                                                                 
• MDT-50-11-B Medium-Duty Trolley Operator with brake

OPTIONAL CONTROLS & ACCESSORIES

• GUARD-D Drive belt cover
• GUARD-L Limit sprocket cover

ENTRAPMENT PROTECTION OPTIONS

• C-201-N4: Guardian Photo-eyes, extended adjustable brackets in NEMA 4 enclosure
• GUAT-201: Guardian Commercial Photo-eyes
• E3JM: Omron, Photocell, through beam
• MEL-11-K110: Miller Edge Wireless Door Edge Kit, Receiver & Transmitter, Monitored
• MEL-11-TX10: Miller Edge, Wireless Door Edge Transmitter, Monitored, EDGE LINK II
• MLC-k72: Miller Edge, monitored light curtain, 6 ft., 16 elements
• 32NO: Air Switch, 2-wire
• 32SPDT: Air Switch, 3-wire
• 4/20/2002: Coil Cord, 18/2/20, 12', 20' extended

Note: Any Normally Open (NO) dry contact signal ancillary device or accessory is compatible with the Guardian MDH/MDJ/MDT Operator Circuity.