OTIS SH1 SH2 SH3 AA1 Key Switch

Otis elevator key swith,SH 1,SH 2,SH3,AA1,AA2, DAA431B4 DAA431E2 GEN-II (GEN2),TAA431K2 FAA431R1 FAA194F2 Lift Power Supply Key Lock Switch, aa1: self reset switch

we can provide a matte or mirror effect for The key locking surface