A.0.45~0.6MPA B.0.45~0.65MPA C.0.45~0.7MPA D.0.45~0.8MPA
A.DC20~28V B.DC20~30V C.DC20~26V D.DC18~28V
A.102Ω±8Ω B.68Ω±4Ω C.46Ω±4Ω D.50Ω±4Ω