The ET21MD1CBE is a DPDT (Double Pole, Double Throw) subminiature toggle switch from the ET series, featuring an On-None-On switching function. It is designed with gold contacts rated for 0.4 VA maximum at 20V AC or DC and has an electrical life of 30,000 cycles. The switch is epoxy sealed, providing IP57-rated protection against dust and temporary immersion, making it suitable for processes involving soldering and cleaning. With its compact size and robust sealing, this switch is ideal for applications such as hand-held telecommunications, instrumentation, and medical equipment.