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CSL Part Number: 119922
Product Overview: The Ametek (California Instruments) MX30-3Pi is a programmable AC power supply delivering 30 kVA output in both single-phase and three-phase configurations. It features a power factor correction (PFC) circuit with IGBT-based switching topology and soft-start inrush limiting via high-wattage resistors and relay bypass. The unit generates variable frequency output (including 400 Hz for aerospace testing) and voltage levels suitable for testing avionic systems, industrial equipment, and electronic assemblies under simulated power conditions. This model accepts 480 VAC three-phase input and includes programmable control for automated test sequences. Internal architecture comprises three modular power amplifier assemblies, interconnect boards, and a digital controller with local and remote interface capability.
Category: Power Supply
Manufacturer: Ametek
Alternate Manufacturer Names: California Instruments
Manufacturer Part Number: 8441123-04MSR
Series: MX Power Supply
Also Known As(AKA): Tahoe Amplifier
Other Synonyms: California Instruments
Common Failures
The MX30 series may experience issues related to output voltage faults during testing and power-up sequences. Common symptoms can include blown fuses, defective IGBT modules, and damaged soft-start resistors. These faults may result from over-voltage situations or defective components in the Power Factor Correction (PFC) circuit.
Repair Approach
Repairs may involve replacing defective components such as IGBT modules, fuses, and resistors. Diagnosing and addressing issues with power amplifier assemblies and PFC circuits is part of the evaluation process. Ensuring all connections are secure and addressing any damaged circuit board traces are standard procedures during repairs. Additional component replacement may be recommended based on evaluation findings.
Testing & Quality
After repair, comprehensive testing is conducted, including burn-in tests at various loads and voltages. These tests verify that the unit performs under load and without faults. Units are subjected to diagnostic processes to confirm proper operation before they are cleared for return to service.
Service and repair your broken Ametek part
We can repair your Ametek model 8441123-04MSR in our facility. Let our skilled technicians get your Ametek back in operation quickly.
Step 1 - Click the green 'Repair Now' button above to add the part and then complete the RMA.
Step 2 - The RMA form will be sent to you via email. Print the RMA form and put it in a box with the item(s) for repair.
Step 3 - Ship or mail the box to the address listed on the RMA.
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