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Silver metal rectangular switching power supply with cooling fan and AC input selector switch

myVolts

myVolts 24V 20A 480W Switching Power Supply

SKU CH-3HJ7-93XYW

Delivers 24 V at 20 A for 480 W output with universal 100–240 V AC input, selectable 110/220 V switch, auto fan cooling and overload, short-circuit and over-voltage protection

  • Product typeAT
  • Universal 100-240V AC input suits worldwide mains
  • Selectable 110/220V switch matches local voltage
  • 24V 20A output delivers 480W continuous power
  • Overload, over-voltage and short-circuit protection safeguards connected gear
  • Auto on/off cooling fan reduces noise at light loads

24 V 20 A Industrial Power Supply

This 480 W switching supply delivers a regulated 24 V DC output at up to 20 A from a universal 100-240 V AC input. It is built for industrial automation, LED displays, CCTV installations and similar fixed-voltage DC projects. The unit includes an automatic on/off cooling fan and an LED power indicator.

Adjustable Input Voltage Selector

A physical 110 V/220 V selector switch lets the installer match the local mains supply before powering the unit. Protection circuits cover short circuit, overload and over-voltage events, while the fan speed ramps with load to keep internal temperatures low.

Installers Needing Fixed 24 V DC Power

The supply suits technicians who need a single 24 V rail at high current for lighting, radio or automation gear. It is not intended for PC builders requiring ATX connectors, multi-rail outputs or modular cabling, nor for buyers who need a silent fanless design.

How it compares

Measured against everything we stock in ATX Desktop Power Supplies, at today’s prices. Recalculated every night.

Price $46.99
Cheaper than about 91% of the 10,869 comparable items (median $142.99).

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Specifications

Product
Product typeAT

Questions about this item

Does the 24 V 20 A unit have any user-serviceable parts such as a replaceable fan or fuse?

The supply uses an automatic on/off cooling fan and internal protection circuits; no user-serviceable parts are mentioned in the specifications.

What is the first limit reached when the 480 W supply runs continuously at full 20 A load?

The fan speed increases with load, so acoustic noise and airflow become the primary practical limit during sustained 480 W operation.

How much fan noise and heat should I expect when the 24 V 20 A supply powers equipment all day?

The load-based fan runs faster and louder as current rises, while the unit maintains low temperature through automatic cooling and high efficiency.

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