Eaton Switchboard PRL3X

Switch mechanism is turned to the OFF position

Visual inspection of the switch contacts, blades, and mechanism

Mechanism is in the OPEN/OFF position

Fuses are of the proper class, ampere, voltage, and interrupting rating

Non–current-limiting fuses are not used as replacements for current-limiting fuses

Rejection mechanisms are not defeated

Sign off on the fuse replacement

Check all grills and ventilation ports for obstructions and accumulations of dirt

Clean ventilation ports, if necessary

For switchboards installed outdoors, inspect the air space under the switchboard to be sure that it is clean and clear of debris, leaves, and obstructions

Sign off on the ventilation maintenance

Warning: Ensure the switchboard is de-energized before starting the cleaning process

Removal of dust and debris from bus bars, connections, supports, and enclosure surfaces

Wipe clean with a lint-free cloth

Warning: Do not use solvents to clean equipment, as damage to surfaces can occur

Was the switchboard exposed to adverse conditions, such as airborne contaminants?

Warning: Do not use compressed air in cleaning

Perform a second Megger or DC test of the switchboard insulation between phases and ground

Warning: Prior to testing, remove all control power fusing and connections to products, which will be damaged in this test

Sign off on the cleaning process

Visual inspection for signs of discoloration, cracking, scorching, overheating, or broken parts

Exercise the breaker operating mechanism, making sure it is opening and closing

Breaker showing signs of any one of these issues

If breaker shows signs of any issues, it should be replaced

Sign off on the circuit breaker inspection

Warning: This maintenance check requires trained personnel with PPE!

Visual check for damage on bus bar and structure insulation

Upload a photo of the damaged parts

Choose the type of service done

Sign off on the insulation maintenance