Amsec CSC4520 Burglary Rated 2 Hour Fire Safe With Electronic LockProduct Description Amsec CSC4520 Burglary Rated 2 Hour Fire Safe With Electronic Lock The CSC4520 is an affordable solution when you want to protect both documents from fire and valuables from burglary attacks. During extreme testing procedures, the ACCSC4520 passed a 2 hour 350 degrees F factory fire test. 2 hour, 350 degrees F factory rating. Tested temperatures up to 1700 degrees F. Heat expandable intumescent door seal guards contents against