Signal Output: door open or door close state detectionwith output point, NC/COM
Fail-Secure (power off, the door is locked)> Low Temperature, safe & Durable> Low Power, Environmental Protection> MOV Provides Reverse Current Protection> Superior Strength Aluminium Alloy, Solid Stain-less Steel Bolt> Autolock Time Delay: 0,3,6,9sec.> Double protection for loading current> Auto-relock if no Action within 5 secs.
BL-2700A: (power to lock)BL-2700B: (power to open)Voltage: DC12V ( 12V+ 24V is optional)
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