Operating unit for heavy-duty and special designed doors, applicable to doors up to 250 kg (bi-parting doors) and 500 kg (single doors)


The operating unit can open/close heavy-duty and special designed doors. It is suitable for bi-parting doors of up to 250 kg per panel and single sliding doors of up to 500 kg.
It is the high-end model of NATRUS automatic doors, the future-standard automatic door with a priority on safety.


1) Self-test feature for sensors
The door system conducts a self-test in every operation to check whether sensors are working to detect the protection area correctly.
2) NABCO network system based on CAN communication
CAN communication technology is highly trustable in transmitting information
3) Various setup for comfortable environment. Smart settings meet user's requirements in broad occasions.
4) Long-life design and low running costs


Product Name
Door Operator Type
Door Type
Applicable Door Mass (kg) x Door Quantity *1
250×2500 x 1(Flat bar mounted)
250 x 1 (Surface mounted)
Applicable Door Width : W (mm)
Ratio of Door Height / Width : DH / DW *2
Required Power Capacity
230VAC ± 10% 2.5A *3
Door Operation Speed (m/sec)
0.1-0.7 *4
Wind Load (m/sec)
15m/s or less
*1 The door should be used under conditions where the door unit weight will not exceed the value defined in the specification. If the weight exceeds the specification, malfunction or accident will occur.
*2 The unit door aspect ratio should not exceed the value defined in the specification. If the aspect ratio exceeds the specification, the specified performance will be impaired.
*3 With a transformer specified by NABCO
*4 The speed varies according to the door weight or site environment.

Heavy sliding door operator

Product Name Operating
V-250SL Bi-parting
For heavy doors (suitable for factory doors)
DSN-500 Bi-parting
For heavier doors (factory doors, etc.)

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