1.MATERIAL:
    a.HOUSING:PBT GLASS FIBRE UL94 V-0 ; 
    b.CONTACT: BRASS T=0.25mm
     (SURFACE PLATING:Au1u"+Sn80~100u"+Ni60u")
    c.SHEEL: IRON T=0.30mm
     (SURFACE PLATING:Cu80~100u";Ni100u"~120u")
 2.ELECTRIC:
    a.CONTACT RESISTANCE: 30 MILLIOHMS MAX
    b.INSULATION RESISTANCE: 1000 MEGA OHMS MIN
    c.DIELECTNIC VOLTAGE: 500V AC ONE MIN LEVEL
    d.OPERATING TEMPERATURE: -55%%D~ 85%%D