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July 2025
779731-01
NI 779731-01, Universal AC Input, 100 to 240 VAC, Replacement Power Supply for NI PXIe-1065
Actual item may vary if no part number is provided on quote request.
✔ 2 Year Warranty Included
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✔ NIST Calibration Available
Andrew Gar**** Verified Buyer
" Amazing to work with and had my order within 1 week after purchasing with all NI certs and data that were needed. "
March 2025
Said Sai**** Verified Buyer
" Competent contact for highly specialized components. The support team is very knowledgeable. Many thanks for the help and the fast shipping! "
January 2025
Bob C**** Verified Buyer
" Jason was able to get our emergency situation taken care of quickly and professionally. "
May 2025
Gregg Flecki**** Verified Buyer
" Great service and great products. This is my 2nd time using Apex Waves, truly impressed. "
January 2025
Carol Zimme**** Verified Buyer
" Very responsive and helpful, competitive pricing. Good source! "
July 2025
Andrew Gar**** Verified Buyer
" Amazing to work with and had my order within 1 week after purchasing with all NI certs and data that were needed. "
March 2025
Said Sai**** Verified Buyer
" Competent contact for highly specialized components. The support team is very knowledgeable. Many thanks for the help and the fast shipping! "
January 2025
Bob C**** Verified Buyer
" Jason was able to get our emergency situation taken care of quickly and professionally. "
May 2025
Gregg Flecki**** Verified Buyer
" Great service and great products. This is my 2nd time using Apex Waves, truly impressed. "
January 2025
National Instruments 779731-01 Replacement Power Supply for NI PXIe-1065
The 779731-01 from NI is a modular field replaceable replacement power supply for the PXIe-1065 chassis. It contains the chassis power supply and the cooling fans and fan control circuitry. It works only with the 18-slot PXIe-1065 chassis and no other National Instruments chassis. This power supply accepts universal AC input and ranges voltage and frequency without manual setup. The input voltage spans 100 to 240 VAC and the operating range extends 90 to 264 VAC. The input frequency runs at 50 or 60 Hz within an operating range of 47 to 63 Hz.
The input current is rated from 10 A down to 5 A across the voltage range. A 12 A push reset circuit breaker protects this unit against over current conditions. A rear panel connector on the power supply supports remote power monitoring and inhibit control. A temperature sensing module inside the unit adjusts fan speed based on air-intake temperature. This design lowers audible noise while keeping the chassis cooled under normal load. The fan-speed selector switch offers a HIGH setting for maximum cooling and an AUTO setting for quieter running. The front panel LED circuitry on the power supply signals a power supply failure to the user. The line regulation on the 3.3 V rail stays under 0.2 percent for this unit. The 5 V and the 12 V rails hold line regulation under 0.1 percent. The typical efficiency for the power supply reaches 70 percent during normal operation. The load regulation on the 3.3 V and 5 V rails stays under 5 percent. The load regulation on the 12 V and - 12 V rails stays under 5 percent.
The backplane current capacity of the 779731-01 Replacement Power Supply differs by slot type across the PXIe-1065 18-slot chassis design. The system controller slot draws up to 9 A on 3.3 V and 11 A on 12 V. The system timing slot draws up to 3 A on 3.3 V and 2 A on 12 V. The hybrid and PXI-1 peripheral slots draw additional current through the 5 V I/O rail. The maximum ripple and noise for the model is specified across a 20 MHz bandwidth for each rail.
| Model | 779731-01 |
|---|---|
| Manufacturer | National Instruments (NI) |
| Brand | Emerson |
| Part Type | Replacement Power Supply for NI PXIe-1065 |
| AC Input | Universal, Auto-Ranging |
| AC Input Voltage | 100 To 240 VAC |
| Operating Voltage Range | 90 To 264 VAC |
| Input Frequency | 50 or 60 Hz |
| Operating Frequency Range | 47 To 63 Hz |
| Input Current | 10 A To 5 A |
| Overcurrent Protection | 12 A Push-Reset Breaker |
Associated part numbers for 779731-01:
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