M320M 320 kg surface-mounted electromagnetic lock for access control systems. Operating voltage: DC 12 V; listed current: 460 mA. Fail-safe operation (power off to unlock), release time under 1 second and listed holding force 700 lb. Dimensions: 240 × 50 × 27 mm; weight approximately 2 kg. Indicator, waterproof and signal-feedback configurations are available. Contact THETOP to confirm door type, bracket and wiring requirements.