(1) SPDT (Single Pole Double Throw). Compatibility: Keyswitch readily accepts any standard 1-1/8 or 1-1/4 long mortise key cylinder fitted with a specified bat type cam. Maintained function, with single pole contacts. Maintained Contact: Rotating the key to its stop and back to vertical changes the state of the switch contact. To return the contact to its original state this procedure must be repeated. Key is removable in the vertical position. Tamper Resistant: All visible screws are spanner head. Heavy-Duty Switching: Switch capacity 6 amps at 125 volts. Factory Prewired Switches: Are shipped with 6 long factory wired color-coded 18 ga. leads. Standard Finish: US32D Brushed Stainless Steel Standard Mortise Cylinder Not Included