Description:  The Arista Networks PWR-1900-DC-R is a DC power supply with DC frequency. The PSU is recommended for deployed in huge data centers. This product is cooled by rear to front airflow from the built-in fan.

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Warranty: 1 year Networking-Hardware Warranty Included
Shipping: Worldwide shipping via DHL, UPS, Fedex, and TNT
Repairs: We offer repair service for the PWR-1900-DC-R.
Exchange: Exchange credit for your defective unit available.

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About PWR-1900-DC-R

The Arista Networks PWR-1900DC-R power supply has a input voltage from 48 VDC to 72 VDC. This DC product also has 44 A maximum input current rating. It works with data center switches that meet EN 300 386 and EN 55035 immunity requirements. The PSU comprises a DC frequency. The power supply has an AWG #6 Max fitting for its connection. The product comes equipped with 95% efficiency. It has an output power rating of 95%. This power supply replacement is possible without affecting the performance of the network where the switch is used owing to its hot swap support. The product has a high level of ruggedness and durability just like any other offering from the manufacturer. This PSU includes a fan that circulates air from the back to front and ensures that it does not become undesirably hot at the time of operation. It can function at any temperature from 32 F to 104 F. The power supply portrays 1900 W power capacity. This product is connected with a network or data center switch that features certifications from many countries as adherence to their standards. The PSU can be installed at a maximum altitude of 3,000 m. This PWR-1900DC-R PSU encompasses a slim profile and a plug-in style form factor.


Technical specifications

The PWR-1900-DC-R has a DC frequency.

48 VDC


No, the PWR-1900-DC-R doesnt get heated during operation because of the inbuilt fan.

72 VDC

Storage Temperature Range

The Artisa 7280R set of data switches can be used with the PWR-1900-DC-R.

44 A

Relative Humdity

The PWR-1900-DC-R supports a maximum operating altitude of 10,000 ft.


Operating Temperature Range

The fan in the PWR-1900-DC-R has a rear to front airflow direction.

EMC Compliance



DC power supply 95% efficiency 44 A typical input current 0 ft. to 10,000 ft. operating altitiude 48 VDC to 72 VDC input voltage


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