Seco-Larm - Mortise Cylinder Key Switch - Maintained SMART } --> ADR-4550L-01-121

} --> ADR-4550L-01-121

Adjustable guides provides high precision

It Covers 2 1/8″ hole

Includes Bundle of 4 Aftermarket Fobik Keys:

Seco-Larm - Mortise Cylinder Key Switch - Maintained SMART } --> ADR-4550L-01-121SLM SD 72031 6MQ Single Gang, Keyed mortise cylinder (2 keys included) If a keypad or proximity card reader fails to activate an electronic lock, the user can switch between normally closed (N. C.) and normally open (N. O.) contacts using the Single Gang Mortise Cylinder Key Switches (available with either momentary or maintained outputs), forcing the door to open. This acts as a backup for access control systems, so that the system does not rely on