LiftMaster MAXUM RJDC
MAXUM DC jackshaft with a floor-level manual release (sash chain).
Call 901-314-4465 for a commercial quote.
Pick this when…
- You need a jackshaft with a floor-level manual release (sash chain) — not a hoist (JHDC), not a no-release jackshaft (JDC), not a trolley (TDC).
- Sectional doors up to 700 lb (comparison chart).
- Battery backup is a kit — not in the carton.
- Handing is ordered left or right (not dual-handed in the box).
At a glance
- Duty: standard 20 cycles/hour, 90/day · extended 30/hour, 150/day
- Voltage: 120V 1PH / 240V 1/3PH · 480V 3PH · 208V and 600V 3PH via transformer
- Speed: up to 12 in/sec on sectionals · 8–9 in/sec on rolling steel
- Battery backup: kit-capable — not included
- Wi-Fi: setup for myQ or myQ Facility
Specs
| Travel / speed | Up to 12 in/sec on sectionals; 8–9 in/sec on rolling steel |
|---|---|
| Duty | Standard 20/hr, 90/day · Extended 30/hr, 150/day |
| Power | 120Vac 1PH / 240Vac 1/3PH; 480Vac 3PH; 208Vac 3PH and 600Vac 3PH via transformer |
| LCD | Floor-level wall controller with LCD display |
| Handing | Ordered left or right (not dual-handed) |
| Monitored inputs | 3 (eyes / edges / light curtains) · CPS-U standard in the operator box |
| Motor | 24VDC with soft start / soft stop · electronic limits · diagnostics |
| Max door | Up to 700 lb |
| Warranty | 2 years |
| Parts | RJDC7S1BEL · RJDC7S4BEL · RJDC7S1BER · RJDC7S4BER |