Note: It is necessary to use M3 screw or installation bracket to fix the external keypad. The installation bracket for VFDs of 220V 0.75–15kW and 460V G-type 1.5–30kW, P-type 5.5–37kW is optional but it is standard for the VFDs of 220V 18.5–55kW and 460V G-type 37–500kW, P-type 45–500kW and 575V.