The unit is a plugin battery backup that allows the actuator to have a power fail function.
These can be set to power open or power close when the power supply is turned off or fails.
This unit can be retro fitted to J4CS range of actuators. Sizes S20 to S85.
Comes complete with rechargeable NiCad battery pack, it is recommended that the initial charge is 12 hours. On average the battery can operate 5 times on a full charge, but the battery will charge once the power has been restored. This is not to be used for power on/power off applications for this we would recommend a solenoid valve.
Battery consumption is 6.2W when working.