SL500/SL510 Battery 12V for emergency opening or for fire closing a 12V battery can be connected so that the door automatically opens or closes in the event of a power failure. For higher speed, the 24V battery is recommended and is also a demand to conform with authority demands for escape routes.
SL500/SL510 Battery 12V
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SL500/SL510 Battery 12V for emergency opening or for fire closing a 12V battery can be connected so that the door automatically opens or closes in the event of a power failure. For higher speed, the 24V battery is recommended and is also a demand to conform with authority demands for escape routes.