M180M 180 kg surface-mounted electromagnetic lock for access control systems. Operating voltage: DC 12 V; listed current: 300 mA. Fail-safe operation (power off to unlock), release time under 1 second and listed holding force 390 lb. Dimensions: 168 × 34 × 22 mm; weight approximately 1 kg. Suitable for compatible wooden, glass and metal doors. Contact THETOP for bracket and mounting configuration.