A Push Button switch is a type of switch which consists of a simple electric mechanism or air switch mechanism to turn something on or off . ... This means that when a button is pressed it can cause another button to release. Features: It is characteristic of accurate on-off loaded current, safe and reliable high intensity of machinery. Widely in machine tools, textile machinery, etc. The switch is the best choice for machinery power. This switch can control three phases motor directly, no need to use a magnetic switch. Screw terminals ensure easily wiring. Specifications: Product Name: Push Button Switch Model: TPB-3 Material: Plastic, Electric Parts Type: FOR-REV-STOP, Momentary Type Voltage/ Current: 250VAC 10A Mounting Hole diameter: 5mm/ 0.2" Mounting Hole Center Distance: 86 x 35mm/ 3.4" x 1.4"(L*W) Total Size (Approx.): 116 x 50 x 39mm / 4.57" x 1.97" x 1.54" (L*W*H) Package Includes: 1 x TECO TPB-3 Forward Reverse Stop Push Button Control Switch