Materiale e elemento:
2.Each product pass 40000times on/off life testing??screw salty spray test
3.Base and housing: flame retardant rating v-0 pa66
4.High-precision phosphor bronze(94% cu and 6% sn)
5.Certification:we have obtained tuv, ce and cb.
7.Thickness of silver contacts: 30mm for 1way switch,
40mm for 2way switch,