M320MD double-door electromagnetic lock in the 320 kg holding-force class. Operating voltage: DC 12 V; listed current: 460 mA. Fail-safe operation (power off to unlock), release time ≤1 second and listed holding force 700 lb. Dimensions: 480 × 50 × 27 mm; weight approximately 4 kg. Indicator, waterproof and signal-feedback configurations are available. Contact THETOP to confirm door type, bracket and wiring requirements.