OTIS3100 Otis leveling switch

OTIS3100 Otis leveling switch

OTIS3100 Otis leveling switch
GAA177HB1
Hall elevator leveling device

Otis GAA177HB2
Otis GAA177HB3
Otis GAA177HB4
Otis GAA177HB5
Otis GAA177HB6