Electric Drop Bolt Lock DC 12V / 24V Fail Safe NC Mode Electronic Door Lock for Access Control Security Lock Door with Time Delay Surface Mounted Lock (Drop Bolt Lock)
Made of aluminum alloy lock body structure, durable and beautiful article. Fail-safe mode, power-on lock, power-off unlock.
NC Mode: Fail-safe type, Power-off unlock , when the power is turned on, the red light indicates unlocking and the green light indicates lock.
Working with DC 12V / 24V, with no external interference, the delay adjustment can be made by itself, and the delay time can be preset to 0s / 3s / 6s.
NC Mode fail-safe type, please connect the red cable to "+ 12V / 24V”, and black cable to “GND" of the 12V / 24VDC power supply when testing it.
Surface mounted, suitable for wooden door, Metal door, Fireproof door, etc. can be opened by push button, remote control, etc. (Not included)
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