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Rectangular metal power supply unit with cooling fan and terminal connections

myVolts

myVolts GY800W-70-A 800W 70V 12A power supply

SKU CH-4DEW-06VGG MPN GY800W-70-A

An 800W AT switching power supply delivering 70V at 12A with automatic fan cooling, operating from 170-260V input and tolerating 160-260V grid variation

  • TypeAT
  • Automatic fan control improves heat dissipation
  • Wide 160-260V input range maintains stable operation
  • High efficiency design reduces standby energy consumption
  • Low output voltage fluctuation ensures stable 70V delivery
  • 800W output at 12A suits demanding projects

High-voltage switching supply for engraving machines

This myVolts GY800W-70-A delivers 800 W at a fixed 70 V output with a 12 A current rating. It accepts an input range of 170 V to 260 V and uses an AT-type form factor. An automatically controlled cooling fan manages heat dissipation during continuous operation.

Suited for CNC and radio projects needing a single

Builders powering engraving machines, radio equipment or similar high-voltage DC loads will find the stable output and wide input tolerance useful. It is not for standard PC builds, which expect ATX-form-factor supplies with multiple rails. It is also not for low-voltage applications requiring 12 V, 5 V or adjustable outputs.

The 70 V fixed output is the deciding specification

The unit provides only a single 70 V DC rail at up to 12 A, so the load must match that voltage exactly. Input voltage must stay within 170 V to 260 V AC for correct operation.

Highlights

  • Automatic fan control improves heat dissipation
  • Wide 160-260V input range maintains stable operation
  • High efficiency design reduces standby energy consumption
  • Low output voltage fluctuation ensures stable 70V delivery
  • 800W output at 12A suits demanding projects

Specifications

TypeAT

Questions about this item

Should I choose the 70V 12A version or a different output model?

This unit delivers a fixed 70V at up to 12A for an 800W maximum. Only select it if your equipment needs exactly 70V and draws no more than 12A.

What does the 800W rating mean once the supply is installed in my machine?

It can continuously provide 70V at 12A, totalling 800W, provided the incoming mains stays within 170-260V and the built-in fan keeps temperatures in check.

What input voltage range does the supply accept and what happens at the limits?

The supply accepts 170-260V AC. Below 170V it may not start; above 260V the protection circuitry can shut it down to prevent damage.

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