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Over-speed governor is one of the safety control units of elevator safety protection system
which can free up a wide space for other members of the family to use
and 917A71-AC220 has more beams and is more sensitive
Brand: QTKJ
: MCTC-CHM-B
Bluetooth Module For OT Fujitec Over-speed governor is one ofBrand: QTKJ This Bluetooth module is compatible with O*TIS elevator commissioning and debugging. It supports various main boards, inverters, door operators, and steel belt inspection devices for O*TIS, XIZI OTIS, XIO, Youmai, SURAPID, and other related brands. User manual documents will be provided with the shipment. If you need any technical assistance, please contact our customer service team after receiving the product.