600LBS/280KGS waterproof electric magnetic door lock ES230GW-2 - Elock Security
electromagnetic lock is capable of holding doors weighing up to 600 lbs. Operates at low voltage at low current consumption rate.Features:> Low
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top rated 600lbs magnetic lock,electronic lock with Signal output,concealed installation magnetic lock
2.4GHz WiFi Outswinging Indoor 600lb Electic Magnetic Door Lock System Kit With Remote And Smartphone App Control
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Someone broke open 600 lbs. electromagnetic lock at business? : r/electrical