Products / Ultra Motion / AU Series Linear Actuators

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Linear Servo Actuators - Servo Cylinder Actuators for Drones, USVs and Subsea Underwater Vehicles

Ultra Motion / AU Series Linear Actuators

AU Series Linear Actuators

Marine & subsea servo cylinders for USVs & UUVs

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AU Series Linear Actuators

The AU Series of Servo Cylinder linear actuators is designed for subsea and surface robotics operating in harsh marine and maritime environments. Featuring Wet-Mate electrical connectors and a fully sealed pressure-balanced and oil-filled enclosure, it can reliably operate at depths of down to 6000 metres.

The versatile actuator can be configured with a number of options, including screw, BLDC motor size, stroke length, and a choice of three controllers.

The actuator is constructed with a Type III hard anodized coating, and can be equipped with replaceable sacrificial anodes for enhanced corrosion resistance. It is ideal for a wide range of ROV, AUV and USV systems, and low-cost shallow-water versions are also available.

Contactless absolute position feedback and control electronics built-in with control options including CAN 2.0B, RS-422/RS-485 serial, RC PWM, 4-20 mA in/out, and more.

Specifications:

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)

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