The SP-500W series single-output switching power supply is developed and manufactured by Shenzhen Kexinhengsheng Technology Co., Ltd. (hereinafter referred to as Kexinhengsheng). It has the characteristics of wide input voltage range, good protection characteristics, small size, light weight, high efficiency, and compliance with international standards.
The SP-500 series provides a compact, high‑efficiency solution for 12 V, 15 V, 24 V, 27 V, 36 V and 48 V output voltages. It features power‑factor correction (PF > 0.95), an LED power‑on indicator, and a built‑in forced‑air cooling fan with automatic control.
Safety functions include short‑circuit, overload, over‑voltage and over‑temperature protection, and the unit complies with UL1012 safety and EN55022 EMC standards. Mechanical dimensions are 170 mm × 120 mm × 93 mm and the weight is 1.8 kg. This manual is written in Chinese.
| Input voltage range | 90‑263 VAC, 47‑63 Hz, 125‑370 VDC |
|---|---|
| Output voltage options | 12 V, 15 V, 24 V, 27 V, 36 V, 48 V |
| Rated output current | 4 A (12 V), 3.2 A (15 V), 2 A (24 V) |
| Output power | 480 W |
| Power factor | PF > 0.95 |
| Efficiency | 83 % (12 V/15 V), 84 % (24 V) |
| Dimensions | 170 mm × 120 mm × 93 mm |
| Weight | 1.8 kg |
| Protection features | Short‑circuit, overload, over‑voltage, over‑temperature |
The unit operates from 90 V to 263 V AC (47‑63 Hz) or 125 V to 370 V DC.
It includes short‑circuit, overload, over‑voltage and over‑temperature protection that automatically restore output when the fault is cleared.
All listed models deliver a rated output power of 480 W.
The power supply measures 170 mm × 120 mm × 93 mm.