This is a round, push-button switch with a momentary contact, suitable for ON operation. It features a single pole double throw (SPDT) configuration with a round plunger actuator. The switch operates at 20 VAC and 20 VDC, with a power rating of 0.4 VA. It has through-hole PC pins and is designed for bracket or panel mounting. Ideal for various electronic or electrical applications requiring a momentary ON switch.