Power-off lock under 50kg load – That’s the real value of worm gear drive.
The JSA-EFPTZDU8150-S is a top/side-load compatible pan-tilt system engineered for industrial heavy-duty positioning. It features a worm gear + timing belt hybrid drive, which locks the position instantly when power is lost, preventing any slide or damage to your equipment.
Industrial robot end effectors, heavy robotic arms
Unmanned field monitoring stations, port/mine automation
Satellite communication antennas, radar positioning systems
Dual locking (power-off + reverse) under 100kg load – The ultimate performance of worm gear drive. The JSA-EFPTZDU8100-S is a top/side-load compatible pan-tilt system designed for ultra-heavy, low-speed, high-precision positioning. It features a worm gear + timing belt hybrid drive, providing both power-off self-locking and reverse locking to resist external torque, ensuring your heavy equipment stays firmly in place under any condition.
Heavy-duty radar antennas, satellite communication ground stations Shipborne/vehicle-mounted EO turrets, large industrial robotic arms

Official factory test video for AIPTZ JSA-EFPTZDU6115-S heavy-duty pan tilt, max 15kg top/side payload with self-weight up to 17kg. Built with worm gear & timing belt hybrid drive plus power-off self-lock structure, continuous 360° pan rotation and -60°~+60° tilt range, high preset positioning accuracy ±0.1°, up to 200 preset positions and auto cruise available. Equipped with standard RS485 interface, compatible with Pelco_D protocol and real-time azimuth angle feedback function; IP66 protection grade with optional anti-salt spray coating, wide operating temperature -35℃~+65℃ and multi-stage lightning protection for power & signal circuits. This video records full power-on origin self-check, full-stroke variable-speed rotation and 15kg full-load continuous running test, widely used for thermal imagers, optoelectronic cameras, radar equipment, frontier monitoring and large industrial vision integration projects.
±60° wide tilt range under 70kg load – The flexible choice of worm gear drive. The JSA-EFPTZDU8970 is a top/side-load compatible pan-tilt system designed for heavy-duty positioning requiring a wider tilt range. Featuring a worm gear + timing belt hybrid drive with power-off self-locking, it delivers stable and reliable positioning performance even at full 70kg load. Its ±60° tilt range far exceeds similar products, meeting the needs of more complex scenarios. Industrial automation, bridge/dam structural monitoring Wide-angle electro-optical tracking systems, radar scanning turntables Shipborne/vehicle-mounted observation platforms, border surveillance equipment
The JSA-EFPTZDU81A60-S is a top/side-load compatible pan-tilt system designed for industrial heavy-duty positioning. Featuring a worm gear + timing belt hybrid drive with power-off self-locking, it delivers stable and reliable positioning performance even at full 60kg load. Only 21kg self weight gives it an excellent payload-to-weight ratio among similar products, making it easy to install and integrate. Antenna positioning, radar test turntables Port/mine automation equipment, unmanned field monitoring stations Industrial robot end effectors, automated production line positioning systems
This video presents the JSA-EFPTZDU81A45-S 45kg Heavy-Duty Pan Tilt Head, a reliable medium-load PTZ from DU81A series. It has a maximum load of 45kg and net weight of about 21kg, supporting both top mounting and side mounting. Adopting professional worm gear drive, the PTZ delivers high torque and stable operation. Equipped with power-off lock and reverse lock functions, it effectively prevents load slipping and ensures long-term safety. It features 0°~360° continuous pan rotation and -45°~45° tilt range. The pan speed is 0.1°~30°/S and tilt speed 0.1°~15°/S, with preset accuracy of ±0.1°. It supports up to 200 presets and auto cruise, and the angle return function is optional.
This video presents the JSA-EFPTZDU12120-S 120kg Ultra Heavy Duty Pan Tilt Head, a robust industrial PTZ designed for heavy-load operation. It has a maximum load of 120kg and a net weight of about 45kg, supporting top mounting and side mounting. Adopting a hybrid drive of worm gear and timing belt, the unit delivers low speed and high torque, and is equipped with power failure locking and reverse locking to ensure operational safety. The pan range is 0°~360°, tilt range is -45°~45°. Pan speed ranges from 0.1° to 15°/S, and tilt speed from 0.1° to 7°/S, with preset accuracy of ±0.1°. It supports up to 200 presets and auto cruise, and realizes real-time angle feedback.
This video introduces the JSA-EFPTZDU8990-S 90kg Ultra Heavy PTZ Mount, a compact and robust pan-tilt unit for heavy-load industrial and security applications. With a maximum load of 90kg and net weight of around 30kg, it supports both top mounting and side mounting. Adopting a hybrid drive system of worm gear and timing belt, the PTZ features low speed and high torque, and is equipped with a dual locking structure to guarantee operational safety.
Large industrial automation, bridge/dam structural monitoring Border/perimeter security radar, heavy-duty electro-optical tracking systems Shipborne/vehicle-mounted weapon stations, satellite communication ground stations

Stable and reliable under 80kg load – The industrial choice of worm gear drive and dual serial control. The JSA-EFPTZDU81A80-S is a top/side-load compatible pan-tilt system designed for industrial heavy-duty positioning and professional control. Featuring a worm gear + timing belt hybrid drive, it delivers stable and reliable positioning performance even at full 80kg load, with power-off self-locking to ensure equipment safety. Antenna positioning, radar test turntables Port/mine automation equipment, unmanned field monitoring stations Industrial robot end effectors, automated production line positioning systems
±0.003° repeatable accuracy and ±90° ultra-wide tilt range under 60kg top-mounted load – The flagship of harmonic drive and closed-loop servo. The JSA-EFPTZDUSO5S60K is a top-mount pan-tilt system engineered for heavy-duty, ultra-high-precision positioning. Featuring a high-precision closed-loop servo motor with harmonic drive and integrated magnetic encoder, it achieves an incredible ±0.003° preset accuracy on both pan and tilt axes even at full 60kg load, while providing a ±90° ultra-wide tilt range for full hemispheric tracking. Full-hemispheric electro-optical tracking systems, counter-UAV turrets Laser communication terminals, astronomical observation auxiliary equipment Shipborne/vehicle-mounted observation platforms, border surveillance turrets

 This video introduces the JSA-EFPTZDU8550-S 50kg Top-Mount Heavy Duty Pan Tilt Head. With a maximum load of 50kg and net weight of about 28kg, it supports both top mounting and side mounting for flexible installation. Adopting a hybrid drive of worm gear and timing belt, this PTZ is equipped with power failure lock and reverse lock, which greatly improves operational safety. 50kg heavy-duty top-mount pan tilt head with strong torque and dual locking design. It supports 360° pan and ±45° tilt with high positioning accuracy. IP66 protection enables all-weather outdoor use. Flexible interfaces and standard protocol make it widely used in security and industrial positioning.
±0.003° repeatable accuracy under 100kg payload – Not a concept, but a proven product. The JSA-EFPTZDUSO5D100K is a dual-side-load heavy-duty pan-tilt system designed for extreme environments and heavy missions. Using harmonic drive gearing and a closed-loop servo motor with integrated magnetic encoder, it achieves an incredible preset accuracy of ±0.003° on both pan and tilt axes even at full 100kg load.  Full motion range – 0°~360° continuous pan, -90°~+90° tilt
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