AVA S20.39 Smart Compact Electric Actuator – RS485 Modbus High Speed

SKU: AVA-S20.39


IP67 Compact RS485 Modbus Electric Actuator
• A bright external 1.3” OLED screen, shows the Baud rate, ID/address, valve opening and its external control commands in real time.
• Smart Bus actuator operates the same as the Smart On/Off series.
• All external electrical connections are via the pre-installed cable.
• The menu can change the unit’s ID /address and Baud rate at any time through the pushbutton interface, no PC is required so it is extremely convenient to use.
• Menu operation can switch freely between remote-control and local-control setting
• The RS485 bus supports isolated type and non-isolated type control, to enable more complex configurations
• The RS485 bus support up to 115200 baud rate – this factory default is 9600
• External pushbuttons for local control and setting adjustments
• Emergency mechanical manual override
• Local visual and remote electrical position confirmation
• F03, F04 and F05 ISO5211 mounting, 14mm star drive
• Manufactured to ISO9001 standards


The AVA range of RS485 Modbus, high speed industrial weatherproof reversible electric actuators offer surprisingly high torque capability from a very compact housing, making them ideal in most applications, but particularly where space is limited.

Employing local controls via a bright external OLED screen and push buttons, the AVA RS485 Modbus, high speed actuator offers many innovative solutions to create a very user-friendly actuator to mount, commission, connect and operate.

You can buy all your AVA RS485 Modbus, high speed electric actuators and AVA RS485 Modbus, high speed actuated valves online at AVS.

Configure your product below


Technical Specs


  Low Voltage
Rated Voltage 24V AC/DC
Voltage Range  AC 15-24V 50/60Hz, DC18-30V
Consumption 15W run, 0.5W hold
Peak current 900mA (DC 24V) for 5ms
Fuse 5A
Control RS485 MODBUS
Position feedback Via bus


  Low Voltage
Maximum Break Torque 15 Nm
Run & Reseat Torque 15 Nm
Manual operationYes, by hexagonal wrench (supplied in clip) when no power is being applied
Run time ≈ 1 sec