PBOF Linear Actuators for Critical Subsea & Marine Applications
AU Series Subsea Linear Actuators Next-generation subsea servo cylinders with built-in control electronics
AU Series Subsea Linear Actuators

Next-generation subsea servo cylinders with built-in control electronics

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AU Series Subsea Linear Actuators

Ultra Motion’s AU Series of Servo Cylinder linear actuators is designed to withstand the most challenging of surface and subsea marine conditions, featuring Wet-Mate electrical connectors and a fully sealed pressure-balanced and oil-filled enclosure.

The versatile actuators are available in a 6000+ meter version for deep-sea applications, or a low-cost 75 meter version for shallow-water operations and surface vessels. They can be configured with a number of options, including screw, BLDC motor size, stroke length, and a choice of controllers. Different controllers provide a range of options for communications, I/O, positioning control and more.

The AU Series is ideal for a wide range of use cases including ROV control surfaces, hydrofoils, subsea valves and release mechanisms, and USVs.

Force (peak) Up to 530 lbf (2.36kN)
Force (continuous) Up to 270 lbf (1.20kN)
Speed Up to 14in/s (356mm/s)
Stroke Length Up to 7.75in (197mm)
Resolution Up to 0.000061in (1.55µm)
Operating Voltage 8 to 36 VDC
Operational Temperature Range -40°F to 176°F (-40°C to 80°C)