Ensure the installation site does not exceed 50% relative humidity at 40°C.
Verify civil engineering works are dry and cured to avoid introducing high humidity into the bottom of the switchgear bays. Unloading and Positioning iec 604391 pdf install
Before energizing an IEC 60439-1 compliant assembly, a series of mandatory inspections and tests must be executed and documented. Ensure the installation site does not exceed 50%
Proper mechanical placement ensures the structural integrity of the switchboard during operation and under fault conditions. iec 604391 pdf install
No internal separation between busbars, functional units, and terminals. Form 2: Separation between busbars and functional units.