ABB ACS6000 - Emergency Release of a Door Safety Switch; Location of Safety Switches; Safety Switch on an ARU;INU Cabinet Door

10 PREVENTIVE AND CORRECTIVE MAINTENANCE
3BHS212794 E01 REV M ACS6000 USER MANUAL 240/278
10.4.7 Emergency release of a door safety switch
10.4.7.1 Location of safety switches
The doors of medium voltage units (LSU, ARU, IFU, IRU, CBU, INU, BCU,
RBU, VLU, TEU and ISU) are equipped with safety switches.
Figure 10-11 Safety switch on an ARU/INU cabinet door
▲ DANGER ⚠
Hazardous voltages!
• Touching energized components can be fatal.
• Before you unlock a safety switch, verify that the drive
is de-energized.
• DO NOT unlock the safety switches permanently.
(1) Screw cap on door
(2) Safety switch location
(behind door)
(3) Safety switch
(4) Unlocked position
(5) Locked position
(6) Release dial
1
2
3 4 5
6