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Power over Ethernet &

Power Supply Specialist & Manufacturer

57V Power Supply

PSA5757  >> Desktop 57W, 1A, DC 57V power supply adapter
PSA5777  >> Desktop 77W, 1.35A, DC57V power supply adapter
PSA5790  >> Desktop 90W, 1.6A, DC 57V power supply adapter

PSA57114  >> Desktop 114W, 2A, DC 57V power supply adapter​
PSA57160  >> Desktop 160W, 2.8A DC 57V power supply adapter

DC 57V power supply from Poetronics are all switch mode, with wide output power range from 57W to 400W. They are designed and developed base on IC control solution and are all equipped with power management chipsets like MOSFETs which place an important role in the power stability, power efficiency and safety. All of the components and parts on PCB module inside our DC 57V power supplies are mounted using by Surface Mounting Technology (SMT) which greatly ensure our higher capacity and the qualification ratio of our switch mode power supplies.


The DC 57V power supply series have a wide application range in each industry and most electric and electronics equipments, such as PoE Switch, etc. They are all switching mode power supply, designed, developed and manufactured by Poetronics. They are all come with Over-Voltage Protection (OVP), Short-Circuit Protection (SCP) and Over-Temperature Protection (OTP) that is necessary for them to be applied to those equipment listed above where require higher standard power performance and mos importantly safety. Beside, they are all has CE, FCC and RoHS certificates.