Satin Anodised Aluminium. The Asec Micro Power Lock is a high quality compact electronic maglock. Despite its modest size, this unit boasts a handsome holding force of 680Kg per lock. The Micro Power Lock is supplied fully assembled and with the unique SDGi adjustable bracket, which gives the installer the freedom to position the lock exactly where they desire.. 680 kg (1500 lb) holding force per lock. Supplied fully assembled. Multiple voltage from 12V DC to 24V DC. SDGi bracket