This switch can control three phases motor directly, no need to use magnetic switch. Screw terminals ensure easily wiring. Widely used in mechanical equipment., textile machinery, etc. Specification: Product Name:                        Push Button Switch Type:                                        Momentary (for/rev/stop) Voltage & current:                   AC 250V 3A  max. Voltage:                                   600V total Size (approx. ):                117 x 50 x 39 mm / 4. 6 inch x 2 inch x 1. 5 Mounting Hole diameter:        5mm/ 0. 2 inch  mounting Hole center Distance:                                  86 x 35mm/ 3. 4 inch x 1. 4 inch (L*w) Color:                                       gray material:                                   metal plastic Net weight:                              143g Max. Voltage: 600V Package Include: 1 x Push Button Switch.