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Automatic Transfer Switches

Currently only available in the Minnesota state area

Keep your standby or emergency power system running at peak performance by properly maintaining the Automatic transfer switches.

The most common cause of transfer switch failure is lack of regular maintenance. Preventive maintenance from Tristar can provide the care you need to ensure proper operation and greatly reduce the potential for unexpected problems.

Trained technicians are available to resolve potential problems stemming from corrosion, overheating, contact erosion and more. In addition Tristar can design, install and upgrade power transfer switches and power control systems.

A good generator service program is thought-out, conducted by professionals and based on a good understanding of which components need inspection and added attention.

We offer monthly, quarterly and semi-annual inspections that includes annual oil and fluid filter changes.

Automatic Transfer Switches

TRISTAR ATS CHECKS INCLUDE:

    Check wiring and connections are tight with no discoloration of metal, melted plastic and odor indicating excessive heat.

    Verify external operating mechanism is clean and re lubricate if found dirty

    Check for any deterioration of wiring insulation such as cuts and abrasions. Replace or repair any damaged wiring.

    Check tightness of wiring connections. Retighten to specification if any loose wiring found.

    Check ATS main power switching contacts condition. Clean or replace. Replace contactor assembly if necessary.

    Exercise the generator set under load.

    Test the transfer switch’s automatic control system.

    Test all indicators (LEDs) and all remote control systems for operation.

    Inspect the outside of the transfer switch for any indication of wear, excessive vibration, leakage, high temperature, contamination or other deterioration.

    Verify all external components are in place, firm, tightened and not excessively worn.

    Inspect the inside of the transfer switch for any indication of excessive vibration, leakage, high temperature, contamination or any other deterioration.

    Verify all internal components are in place, firm, tightened and not excessively worn.

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