.container a:link { color: blue; } .container a:visited { color: purple; } .container a:hover { color: red; } .container a:active { color: green; } Resettable Single Pole Emergency Release Call point From KAC The emergency door release unit will only be used during an emergency evacuation but should always be installed in addition to a standard door release button. In an emergency use of the standard door release button can impede evacuation flow as power to the lock release is only removed temporarily. Total flexibility in the choice of operating element Selectable normally open or normally closed contacts Anti-tamper facility Enhanced aesthetics Backward compatibility Resettable, single pole unit Unique ’Plug & Play’ installation concept Double pole changeover contacts Box Material: PC/ABS Operation Type: Break Glass Power Source: Mains Colour: green Weight: 0.16kg Contact Configuration: SPST External Depth: 59.5mm External Height: 93mm External Width