Allen-Bradley 800T-J20 NSNBC01 is a 30.5 mm diameter selector switch in the 800T family, designed for panel mounting in industrial control circuits and configured as a three-position (3P) device; as a manual input, it enables operators to select between three circuit paths or operating states in automation equipment, typically used in control panels on manufacturing lines; NSNBC01 denotes the specific variant of the 800T-J20 selector switch within Allen-Bradley's 800T line.
