D4N-3C20,SWITCH SAFETY ROLLER LEVER
D4N-3C2G,
D4N-3C32,
D4N-3C32R,SWITCH SAFETY TOP ROLLER PLUNGER
D4N-4120,SWITCH SAFETY ROLLER LEVER
D4N-4122,
D4N-4125-NPT,SWITCH SNAP ACTION
D4N412G,基本/快动/限制开关
