MAXUM JHDC Commercial Jackshaft Hoist Operator, DC Motor

The LiftMaster MAXUM Jackshaft Hoist DC Commercial Door Operator is a high-performance solution for sectional and rolling steel doors up to 40 ft tall and 2,200 lbs. Combining power, safety, and smart technology, it delivers fast operation, simplified installation, and seamless myQ® Facility connectivity.

Performance and Efficiency

• High-efficiency 24V DC motor with smooth start/stop to reduce wear
• Opening speeds: Up to 12 in/sec (sectional) and 8–9 in/sec (rolling steel)
• Battery backup compatible (optional 7Ah kit)
• Lightweight design, 20 lbs. lighter than Logic 5.0 models

Smart Controls & Connectivity

• DCWALLCTL LCD Wall Controller for floor-level programming and diagnostics
• Built-in Wi-Fi with myQ® Facility Ready for remote monitoring and control
• Push-terminal, color-coded wiring for faster setup

Safety and Compliance

• Triple entrapment protection with up to 3 monitored safety points
• Compliant with ANSI/CAN/UL325 and NOM/NYCE/IFETEL
• Indoor use, operating range: -4°F to 140°F (down to -40°F with optional heater)

myQ® Facility Features

• Cloud-based access and control from any device
• Cycle count tracking and service scheduling
• Transmitter management with event logging
• Real-time alerts and advanced diagnostics

Specifications Overview

• Drive Type: Jackshaft hoist, #50 chain, 65:1 gearbox
• Motor: 24VDC
• Max Door Size: 40 ft height / 2,200 lbs
• Duty Cycle: Standard (20 cycles/hr) or Extended (30 cycles/hr)
• Power Options: 120V/240V (1PH/3PH), 208/480/600V (3PH with transformer)
• Included Accessories: DCWALLCTL LCD controller, CPS-U photo eyes
• Warranty: 5 years (operator), 2 years (controller), 1 year (photo eyes, battery, parts)

Recommended Applications

• Commercial sectional doors (standard, high lift, vertical)
• Rolling steel doors and grilles
• Facilities requiring manual hoist backup
• Standard and high-duty cycle environments