48V to 12V 40A 480W DC to DC Converter
The WEHO WH-C481240 is a rugged and versatile DC-DC buck converter, designed to step down 48VDC (30V-60V range) to a regulated 12VDC output. Delivering 480W of power at 40A, it boasts a high 95% efficiency rating and a low no-load consumption of less than 4W. The unit’s compact $118\times80\times28mm$ profile allows for installation in shallow spaces without sacrificing performance. It is equipped with input low-voltage protection (shutdown at ≤26V, recovery at ≥29V) and is fully sealed and waterproof for all-weather reliability. Advanced circuitry ensures a tight 1% voltage tolerance and 3% load regulation. With over-current protection and a reliability rating of over 100,000 hours, the WH-C481240 provides consistent, high-capacity power for demanding 12V loads in 48V battery environments.
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Bản tóm tắt
Rated output: power 480W
Điện áp đầu vào: 48VDC
Wire Length: 160mm±10mm
General specification
| Người mẫu | WH-C481240 |
| Công suất đầu ra định mức (W) | 480W |
| Rated input voltage(V) | 48VDC |
| Rated output voltage(V) | 12VDC |
| Input voltage range(V) | 30V-60VDC |
| Input starting voltage(V) | 30VDC 100%Load |
| Input low voltage protection(V) | Turn off the output when ≤ 26VDC, and self recover when ≥ 29VDC |
| No-load power consumption (W) | < 4W |
| Hiệu quả | 95% |
| Output voltage(V) | 12VDC |
| Output current | 40A |
| Voltage tolerance | 1% |
| điều chỉnh tải | 3% |
| Sóng (MVP-p) | 100mv External 22UF capacitor ESR < 0. 1 Ω 100KHZ |
| Over current protection | In the case of rated output, if the current exceeds 120% of the rated current, the overcurrent protection will act, and it will automatically recover after the overcurrent disappears. |
| Output short circuit protection | Equivalent to a maximum current of 35A and an output voltage of 0V |
| Input-output | Không bị cô lập |
| không thấm nước | Hoàn toàn kín và không thấm nước |
| Kích thước | 118×80×28mm |
| N. W. | 500g |
| Cooling method | Phương pháp tự nhiên |
| Rated temperature rise (℃) | 45oC |
| Độ tin cậy | >100000h |
| Wire indicator | Input positive (red), input output negative (black), output positive (yellow), lead length=160mm±10mm |
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