CV-24 Golmar lock release
The main characteristics of the CV-24 Golmar lock release and explanation of terms: 
 
a.c. delayed action lock release.
Adjustable bolt.
Medium size shield
 
Casing manufactured in 2mm thick pressure injected light alloy.
Medium shield is 159mm overall height. \n \nAdjustable bolt on all models, allowing 3mm precision.
Automatic: enables the door to be opened with only one push of the lock release button. The door is open and locks again when the door has been opened and then closed. Delayed action.  
 
Operation voltage from 8v to 12v a.c. (750mA consumtion)
 
Click here to access Golmar lock release brochure.