The XB5AA21 is a single-pole single-throw (SPST) pushbutton switch designed for panel mounting with a 22 mm cutout. It features a black plastic bezel and fixing collar, and operates with a spring return or impulse mechanism. The switch includes screw clamp terminals for secure connections and is suitable for use in harsh environments due to its robust construction. It supports various connection options, such as screw clamp, connector, or Faston terminals, and has a rated current of 3A at 240VAC. The pushbutton operates in a momentary (push) mode and is typically used in control panels and industrial applications.

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