JJ:1800~3400
A long-span center-opening door-operator arrangement for JJ 1800–3400 mm entrances. The full rail, drive and hanging mechanisms are shown together; installation drawings distinguish car-top and straight-beam arrangements.



Dimensions in mm. Upper drawing: straight-beam installation. Lower drawing: car-top installation. JJ identifies clear opening; HH and installation dimensions must match the selected project drawing.
| Item | Specification |
|---|---|
| Model selection | OMJ-302A |
| Opening arrangement | Six-leaf center opening |
| JJ opening range | 1800–3400 mm |
| Drive configuration | Permanent-magnet synchronous drive |
| Control configuration | Closed-loop servo control |
| Transmission arrangement | Direct synchronous-belt transmission |
| Supply reference | Single-phase AC 220 V ±15%, 50 Hz |
| Speed-adjustment reference | 0.15–0.55 m/s according to entrance configuration and commissioning |
| JJ (mm) | A1L (mm) | A2L (mm) | A3L (mm) |
|---|---|---|---|
| 1800 | 2450 | 175 | 360 |
| 1900 | 2584 | 192 | 385 |
| 2000 | 2716 | 208 | 410 |
| 2100 | 2850 | 225 | 435 |
| 2200 | 2984 | 242 | 460 |
| 2300 | 3116 | 258 | 485 |
| 2400 | 3250 | 275 | 510 |
| 2500 | 3384 | 292 | 535 |
| 2600 | 3516 | 308 | 560 |
| 2700 | 3650 | 325 | 585 |
| 2800 | 3784 | 342 | 610 |
| 2900 | 3916 | 358 | 635 |
| 3000 | 4050 | 375 | 660 |
| 3100 | 4184 | 392 | 685 |
| 3200 | 4316 | 408 | 710 |
| 3300 | 4450 | 425 | 735 |
| 3400 | 4584 | 442 | 760 |
JJ is the clear-opening selection; it is not the overall rail length.
They illustrate straight-beam and car-top installation arrangements. Choose the arrangement for the car structure.
Confirm the complete supply list, panels, coupling, controller and safety devices for the order.
Select the exact opening and its corresponding installation dimensions before ordering.
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