The HONEYWELL 4TL66-1L is a MICRO SWITCH Toggle Switch from the TL Series, featuring a 4 Pole Double Throw (4PDT) configuration with 3 positions (On - Off - On). The switch is equipped with screw terminals for easy installation and a high force spring in the lever mechanism for reliable performance. The stainless steel locking lever is designed to be locked out of the extreme position, with a keyway side for added security.