Micro PTKDF3221B Selector Switch Heavy Duty

Micro PTKDF3221B is a heavy-duty spring-return selector switch in the Micro Switch family, configured for two positions. The spring-return action returns the actuator to its default position after release, delivering a momentary two-state input to a control circuit. This non-latching selector is intended for industrial automation where switching between two states—such as mode selection or start/stop sequences—must reset automatically when the actuator is released. The PTKDF3221B designation identifies the exact model within Micro’s line, offering a compact, repeatable actuation characteristic suitable for integration with compatible control systems. Designed to withstand the demands of industrial use, it provides a straightforward mechanical interface for operators to indicate one of two operating states, enabling simple control logic and safer default states in automation configurations.