Voltage:10-24V DC;Output mode:PNP
The GDD-1N is an NPN-output sensor option for elevator control applications. The illustrated unit has a cylindrical black housing, a front optical window and an integral cable. Match the sensor model and output logic to the receiving controller.

| Item | Specification |
|---|---|
| Model | SH-GDD-1N / GDD-1N |
| Output type | NPN |
| Working supply selection | DC 12–24 V |
| Output logic | Low-level switching output; match the controller input |
| Illustrated construction | Cylindrical housing with front optical window and integral cable |
| Model | Output type | Working supply selection | Switching logic |
|---|---|---|---|
| SH-GDD-1N | NPN | DC 12–24 V | Low-level output |
| SH-GDD-1P | PNP | DC 12–24 V | High-level output |
GDD-1N uses an NPN output; GDD-1P uses a PNP output. Choose the type required by the control input.
Match the output logic and controller wiring before replacement; the model suffix determines the output selection.
The working supply selection is DC 12–24 V. Confirm the actual sensor label and circuit before connection.
Check the fixing arrangement, optical operating position, cable routing and connection requirements for the installation.
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…