... Push Button Switch 1) RoHS, metal, plane /arc button, normal close ,when push open;ON-OFF 2) 5A,250VDC Stainless steel Anti vandal Push Button Switch with/ ... without Momentary : 1, plane & Arc buttons;2, ON-OFF3,normal close, when push open;4,ecifications ... instruments field etc. Stainless steel Anti vandal Push Button Switch with/without Momentary