How does this power supply handle fluctuations in power input, and does it have any built-in protection features against overloading?

The power supply has smart device surge protection for short circuit protection, overload protection, and overvoltage protection.

Questions & Answers: mumisuto Switch Power Supply, 24V 15A 360W Regulated Switch Power Supply Adapter Transformer for 3D Printer Radio, Computer Project

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mumisuto Switch Power Supply, 24V 15A 360W Regulated Switch Power Supply Adapter Transformer for 3D Printer Radio, Computer Project

Widely applicable: switching power supply is suitable for 3D printers, industrial automation, LED display, communication, computer projects, home appliances, etc.
Smart Protection: Smart device surge protection for short circuit protection, overload protection, overvoltage protection
Excellent performance: 15 amps of output current, stable and precise output voltage, 360 watts of power. Efficiency up to 85%.
Manual switch: Manual switch button to select 110V/220V before power on (Please check the input voltage to avoid damage.)
Cost-effective: Reliability meets industry standards and is cost-effective. The switching power supply is for indoor use only!