[Al Skierkiewicz]

Adam and John,
In this series of switch, a few internal part changes cause the product to go from a single pole 12 position switch to a 4 pole 2 position switch. The outside terminals, the switch body and the actuator remain the same as well as the outside footprint. Please note that for a 4 pole switch only positions 2 and 3 are active. For a single pole switch positions 02 to 12 are active.

Check at the bottom of the sheet and you will see the layout for each of the four parts, 1 pole, 2 pole, 3 pole and 4 pole. Only the center pins vary from part to part. If you visualize the switch internals for the four pole, the switch is divided into quadrants with each quad containing 3 terminals. The center terminal is common and position 02 connects the common with the terminal to the left of it. Position 03 connects the common with the terminal to the right of it.

My discussion above holds true for lever actuated switches. This switch is a rotary device and construction and operation are quite different.