24V 20A SMPS Switching Power Supply

Overview 

The 24V 20A 480W Switching Power Supply is a professional-grade power solution for high-demand systems. At 20 Amps, this unit can power multiple high-torque stepper motors, high-wattage heated beds, and cooling systems simultaneously without breaking a sweat. It features a reinforced aluminum chassis and an intelligent high-speed cooling fan that activates based on temperature and load to ensure maximum component longevity.

Key Features 

• Massive 480W Capacity: The highest standard capacity for single-rail hobbyist and industrial automation projects.

• Intelligent Active Cooling: Built-in fan manages heat dynamically, keeping the high-grade capacitors and MOSFETs within safe limits.

• Triple Output Terminals: Includes 3 sets of $+V$ and $-V$ terminals, allowing you to organize heavy-gauge wiring for multiple devices.

• Stable Precision: Built-in EMI filter minimizes electrical noise, and the “VADJ” trimmer allows for fine voltage calibration.

• Industrial Safety Suite: Overload, Over-voltage, and Short-circuit protection with automatic recovery.

Technical Specifications 

Feature	Specification
Output Voltage	24V DC (Regulated)
Output Current	20A (Maximum)
Total Power	480 Watts
Input Voltage	AC 110V / 220V (Switch Selectable)
Cooling	Forced Air (Internal Intelligent Fan)
Ripple & Noise	<150mVp-p
Dimensions	Approx. 215mm x 115mm x 50mm
Weight	~1.2kg

Terminal Connection Guide 

• L, N: AC Power Input

• GND: Earth Ground (Crucial at this power level)

• -V (3 Terminals): DC Common Negative

• +V (3 Terminals): DC Output Positive

• +V ADJ: Output Voltage Adjustment Potentiometer