Version A&Version B Manufactured By OTIS 16502278-a/16502278-b Jtx-b/jtx-a C0103648-a/pl000008-b/hip-43-a 16201545-a/b Elevator Accessories KCB-A/B Magnetic Switch Mctc-ctb-a/mctc-ctb-b Otis Escalator Ladder Factory Wholesale Xj1000sx-a Xj1000sx-b Otis Elevator Speed Limiter Dea4002596a B Taa177ah1 Tensioning Wheel Switch