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350W 48V 7.3A 115/230V Switching Power Supply Stepper Motor CNC Router Kits

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Latest price:$37.76
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This professional 350W 48V 7.3A Switching CNC Power Supply can be widely used in Industrial Automation and CNC Stepper/Servo System.
115V and 230V can be chosed by switch. Powerful functions(eg. PWM control) and professional designs (Built-in big fan for cooling) ensure high efficiency and high reliability of the power supply. Low cost also makes it more acceptable for general usage.

Key Features

  • 48V DC 7.3A output
  • AC input voltage range: 93~132V/176~264VAC
  • 115V/230V AC selected by switch
  • High efficiency low cost
  • Forced air cooling by built-in DC fan
  • Low output ripple and yawp
  • Over current, over voltage, short circuit and overheat protections
  • 215*115*50mm (L*W*H)


Wholesale stepper motors and wholesale stepper motor drivers online with guaranteed quality and competitive price at Oyostepper.com!

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Power Supply Specification
Output Voltage(V) 48
Power(W) 350
Max. Output Current(A) 7.3
Input Voltage(V) 115/230
Physical Specification
Weight(g) 1100

Jeff – 02 Oct 2017

This supply is fairly stable when not connected to a driver or motor. The back EMF from my NEMA 24 did cause the voltage to fluctuate some (47.0 to 48.2 volts) But did not cause any problems with my driver or motor. My DM542T driver can accept up to 50 volts, so I would recommend 1 to 1.5 volts from max of your driver input so that back EMF will not cause you to exceed the input voltage of a driver.. I do not fault the supply for this, it is just the mature of driving a stepper motor to high rpm and slowing it back down to a stop.
This supply shows no signs of stress or heat when operating a NEMA 24 at 1350 RPMs for a continuous 25 minutes. I highly recommend this supply up to at least NEMA 24 motor sizes.

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