Continuous duty AC or DC
Fail-locked or fail-unlocked with built-in microswitch
The strike may be set to either open when the current is on and lock automatically when the current is switched off (fail locked) or be closed as long as the current is on and open automatically when the current is switched off (fail unlocked)
A microswitch monitors the latchbolt engagement
High strength - resists 700kg sidepressure on the staple
