When locked the mechanism is disengaged, allowing the knob to rotate freely. When unlocked the knob, spindle and mechanism engage allowing the Pullman Catches or the Deadlocking Latch to be withdrawn when the knob is turned. The knob remains engaged until re locked. Not suitable for master keying.
For use with all IDC 600 series Touch Bar Devices.
Not suitable for for use with IDC 700 series.