The power time of this module can not be more than 3S. Please check the time delay of the access control system when using. Features: Size: length 43mm high 30mm thick 22.5mm Working voltage: DC9-14V Working current: DC1.5-3A Coil resistance: 3.6 ohm Net weight: 80g Note: If users find often burn the coil, please check the power box, access control, power time building intercom system setting is not more than 3 seconds, under normal circumstances, electrifying coil in one second, which can open the electric lock.
Features:
Coil for All types of Electronic RIM Door Gate Lock
Same Coil Fits in CP Plus, Alba, Secureye, Hikvision, Realtime, OEM Locks
If the Lock is not operating by 12V, then you need to change the Lock Coil
There is no warranty on Lock Coil
Lock Coil can get damaged by giving continuous current, so avoid giving Current for Longer Period of time
How to Change Lock Coil Please refer 
https://youtu.be/z6bjQksiNME