PH450. The PH450 is a pull handle door magnet from ICS. This version is non-monitored, however a monitored version is available on special order. Please contact us should you require the monitored version. With a holding force of up to 272Kg and aluminium finish, it is designed for use on inward opening doors and it comes with 1 year manufacturer's guarantee.. Fail unlocked. Holding force of up to 272Kg (600lbs). Aluminium construction. Non-monitored version