Coronavirus (Covid-19) Alert: SRL LTD continues to operate and trade as normal. We are keeping up to date with the advice provided by the Government & World Health Organisation to ensure the safety of our customers and staff.
PSL100/150 Battery 24V, for emergency opening or for fire closing a 24V battery can be connected so that the door automatically opens or closes in the event of a power failure. This battery can also be used for continued normal operation during short power failures (convenience mode). The fuse in the cable harness is 10 AT.