DISTRIBUTION BOX
Each DISTRIBUTION BOX and controller must be grounded. On the US market, a 5.26 mm 2 (10 AWG) ground wire must be used, and in all other markets a 6 mm 2 must be used.
Grounding of the primary cabinet distribution box
Home / Grounding of the primary cabinet distribution box
Attach a ground wire from one of the threaded studs (A) at the bottom of the housing, to the mounting plate (B). If you've ever found yourself scratching your head over whether that metal door on your distribution cabinet really needs a grounding wire, you're not alone. In factories, construction sites, and even commercial buildings, this question pops up all the time. The following guidelines should be observed when grounding a cabinet: An unpainted earth reference plane or rail must be installed on the floor of the cabinet for the conventional reference potential. The drive system in this manual consists of the supply transformer, input power cable of the drive, the variable speed drive (frequency converter), motor cable and motor.
