限位开关，3SE5112-0BC02 JHE237- 上海临嘉科教仪器有限公司

p1Src=//y1.yzimgs.com/uploads/391770/20250116-19074720.jpg&p2Src=//y1.yzimgs.com/uploads/391770/20250116-50333862.jpg&p3Src=//y1.yzimgs.com/uploads/391770/20250116-61951739.jpg