The ATLOKPL has a heavy duty tongue and head that can rotate in 90° increments. The tongue allows for a +/- 12mm misalignment. The handle can also be turned through 360° in 45° increments. It features a key operated auxiliary release, in the event of a power failure. Suitable for both sliding and hinged door applications the ATLOKPL is fitted with a shear pin to protect both machinery and personnel.

When machinery is in operation the tongue is trapped in the ATLOKPL unit with the access door securely closed. An integral solenoid prevents the tongue from being released. To open the guard door an operator must fi rst select stop on the machine control panel. Only when the machine has completed its run down cycle will the solenoid be de-energised. At this point a yellow light on the unit indicates that the tongue actuator can be released.

When removed, a red light is illuminated.