金属按钮开关
PBM-19复位无灯-J
PBM-19复位无灯-I
PBM-19复位无灯-H
PBM-19复位无灯-G
PBM-19复位无灯-F
PBM-19复位带灯-E
PBM-19复位带灯-D2
PBM-19复位带灯-D1
PBM-16自锁 复位无灯-S
PBM-16自锁 复位无灯-R
PBM-16自锁 复位带灯-Q3
PBM-16自锁 复位带灯-Q2