A Rotary Switch with a 3-position spring return typically refers to a switch that has three distinct positions and a spring mechanism that returns the switch to a default position when released. This type of switch is commonly used in applications where it is necessary to control a device or circuit in a momentary or momentary-off manner.Position 1: In this position, the switch is in its default state. Position 2: When the switch is rotated or moved to position 2, it engages a specific circuit or function.Position 3: Similar to position 2, this position also engages a specific circuit or function.Attributes:• The spring return mechanism ensures that the switch always returns to the default position after being released.• Spring returns from left and right.• Black knob with white insert color.Applications: A Rotary Switch is used in the electronic modular control system to select different modes, settings, or options.