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.
Protective packaging options selected according to product size, weight and shipping requirements.
From precision manufacturing to final inspection, every process supports consistent quality and reliable supply.
Reliable elevator parts supply with factory-direct service, genuine quality and dependable support.
We provide reliable shipping support for elevator parts orders worldwide, helping you receive the right products efficiently and with confidence.
Flexible delivery options for customers across global markets.
Shipping methods can be arranged according to your destination, schedule and order requirements.
Products are packed securely to help protect them during transportation.
Our team supports delivery coordination from order confirmation to after-sales service.
We provide applicable certificates, inspection reports and compliance documents for elevator parts, helping you source with greater confidence.
Choose a sales representative to discuss your project.
Loading contacts…