The 1DM57 is a momentary basic switch designed for push-to-operate applications. It features a Single-Pole, Double-Throw (SPDT) contact arrangement and is rated for 10A at 125, 250, or 277 VAC. The switch requires a maximum operating force of 15 oz, provides a minimum overtravel of 0.375 inches, and is equipped with 0.188 x 0.020 inch quick-connect terminals. Housed in a black plastic case, this switch is designed for panel mounting in various control systems.