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Silver aluminium box with screw terminals and voltage adjuster, 85 by 58 by 33mm

myVolts

myVolts S-120-24 Power Supply 24V 5A 120W

SKU CH-AA4R-CTY3T

24 V 5 A switch-mode supply with overload, overvoltage and short-circuit protection for industrial and 3D-printer use

  • TypeAT
  • High efficiency with low DC ripple for stable output
  • circuit, overload and overvoltage protection safeguards connected equipment
  • 100 % full-load burn-in test confirms reliable operation
  • Wide AC 100-240 V input suits global mains supplies
  • Aluminium alloy chassis runs at 0-40 °C for long service life

Aluminium alloy 24 V switch supply

The myVolts S-120-24 is a 120 W AT-type power supply that delivers 24 V at 5 A from a 100–240 V AC input. It is built for industrial automation, LED displays, CCTV, radio equipment, computer engineering, LED light bars and 3D printers. The aluminium alloy casing provides natural cooling without a fan. Safety compliance covers CCC, FCC and CE marks.

circuit overload overvoltage protection

The unit includes short-circuit, overload and overvoltage protection that shut down the output before damage can spread to connected equipment. A 100 % full-load burn-in test is performed on every unit to verify reliability. An adjustable voltage trimmer allows fine-tuning of the DC output for sensitive loads. Low DC ripple and high insulation strength further stabilise the supply.

Zero to forty degree operating range

The supply is rated for continuous operation between 0 °C and 40 °C with humidity up to 95 % non-condensing. Storage temperature extends from –20 °C to 60 °C. Natural convection cooling means airflow must remain unobstructed around the aluminium housing. The AT form factor requires a compatible chassis or open-frame mounting.

Highlights

  • High efficiency with low DC ripple for stable output
  • circuit, overload and overvoltage protection safeguards connected equipment
  • 100 % full-load burn-in test confirms reliable operation
  • Wide AC 100-240 V input suits global mains supplies
  • Aluminium alloy chassis runs at 0-40 °C for long service life

Specifications

TypeAT

Questions about this item

What components inside the myVolts S-120-24 are likely to need replacement after extended operation?

The electrolytic capacitors on the secondary side are the usual wear items; the aluminium alloy chassis aids heat dissipation, so capacitor life is extended under normal 0-40 °C ambient conditions.

Which protection circuit activates first when the 120 W unit runs continuously at full 5 A load?

Over-temperature protection will trip before the overload threshold if the chassis cannot shed heat fast enough in a confined space.

How much audible noise and heat does the fanless S-120-24 produce during all-day use?

Natural convection cooling means zero fan noise; the aluminium alloy case becomes warm to the touch but stays within the rated 0-40 °C operating window.

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