Electric Latch Retraction (ELR)
Since 2012, when SDC launched QuietDuo™ – the first Motorized ELR Kits to convert mechanical exit devices – we’ve been “quietly” leading in electric latch retraction (ELR) upgrades for access control. This includes retrofit solutions for most brands of exit devices as well as innovative SDC exit devices & mortise locksets with factory-installed ELR and automatic door operators with a built-in 1 Amp+ power supply to power them. Discover the transformative potential of electric latch retraction technology in revolutionizing security systems and enhancing protection.
