Your right lacking the raw and I'm going to guesstimate and make a few broad assumptions. The lock let's say has a set holding force of 1200 lbs here is another lock with a higher force
http://www.sdcsecurity.com/1510-Series-Electromagnetic-Door-Lock.htm
I'm unsure what is meant by holding...
Force need to break a magnetic lock NOT SOLVED
So rest assured I'm not planning a prison break. I work in a secure treatment center for adolescents and the other night we had an escape. Many of the staff are amazed at the ease they busted the lock. I looked at it and there is a lot of play on...