Dahua AC Single Door Magnetic Lock ASF280A
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NC lock = Normally Closed
No power → unlocked
Power ON → locks
NC = Needs power to stay closed
- 280KG Anti-pull.
- Built-in reverse current protection device(MOV).
- Aluminum shell with high strength alloy material.
- Electromagnetic suction work completely, there is no mechanical failure.
- Can be set DC12V or DC24V.
- The residual magnetic design proof, wear materials.
- Double lock body insulation treatment.
- Supports door detector signal feedback.
