The MEM4400 Series Mechanical Electromagnetic Lock is a small and extremely strong lock designed for automatic sliding door applications. The product can achieve an exceptional holding force of up to 500kg. The MEM4400 Series provides DSS and Early Warning (EW) security alarm indication. The device accepts voltage of 12VDC and has a low power consumption of 280mA. It can interface with building management and access control system to control door access and egress.