The drive can have either a plastic housing or a sheet metal housing, depending on the power rating.
Housing
Support cable entry bracket
Logo
Warning label
Read the user manual of the MD500 AC drive carefully before installation or operation.
Do not remove  the front cover  while the power is on or within10 
minutes after the power is turned off. 
Wait for a period of 10  minutes after the AC drive is powered off 
before starting any repair, maintenance or wiring work .
i
10min
Front cover
For removal of the front 
cover, see section 2.5.
Main circuit power indicator
Never remove, install or wire the 
drive when the indicator is on.
Barcode
View the serial number 
and model of the drive here.
Operating panel
See section 4.2.
Fixing pin of 
extension PG card
See section 8.4.3
Cabling tray and fixing pin of 
ground cable of control board
This ground cable can only be 
connected to the ground bar after 
the system is grounded reliably. 
Main circuit terminals
See section 3.2.1.
EMC and VDR screw
Refer to Power Grid System in 
section 3.2.2 and requirement on 
current leakage in section 9.1.8.
Fixing pin of extension card
See sections 8.4.1 and 8.4.2.
Control circuit terminals
See section 3.3.1.
Ground the PG card and control 
board only after ensuring reliable 
system grounding.
Grounding bar
Fan cover
Cooling fan
For replacement, see section 10.3.
Nameplate
Refer to Figure 1.1.
Interface of 
external 
operating panel
Refer to section 8.3.