12V to 28V 40A 1120W DC to DC Converter
As a premier power solution, the WEHO WH-B122840 DC-DC converter delivers a massive 1120W (1.12kW) of power. It is engineered to meet extreme power needs, boosting a 12VDC input to a powerful 28VDC, 40A output. Its exceptional 94% efficiency ensures that this high power is delivered with minimal energy loss. The unit is encased in a rugged, fully sealed, and waterproof housing for ultimate durability. For safety, it features a unique overcurrent protection that trips at 200% load and requires a 200A fuse for short-circuit protection, making it exceptionally robust. Guaranteed for over 100,000 hours, it’s the ultimate choice for high-stakes, power-hungry applications.
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- Paglalarawan
Buod
Rated output: power 1120W
Input na boltahe: 12VDC
Pangkalahatang detalye
| Modelo | WH-B122840 |
| Na-rate na Output Power (W) | 1120W |
| Na-rate na Boltahe ng Input (V) | 12VDC |
| Rated Output Voltage (V) | 28VDC |
| Voltage Range (V) | 10V-16VDC |
| Panimulang Boltahe (V) | 10VDC 100% load |
| Walang-load na Pagkonsumo ng Power (W) | < 0.01W |
| Kahusayan | 94% |
| Boltahe (V) | 28VDC |
| Kasalukuyang (A) | 40A |
| Voltage Tolerance | 1% |
| Regulasyon sa Pag-load | 3% |
| Wave (MVP-p) | 500mv External 22UF capacitor ESR < 0.1Ω 100KHZ |
| Over-current na Proteksyon | In the case of rated output, if the rated current exceeds 200%, the overcurrent protection will activate and recover automatically once the overcurrent subsides. |
| Proteksyon ng Short Circuit | Input requires adding a 200A fuse |
| Input-Output | Hindi nakahiwalay |
| Hindi tinatablan ng tubig | Ganap na selyadong at hindi tinatablan ng tubig |
| Dimensyon | 220*127*63mm |
| N.W. | 2200g |
| Paraan ng Paglamig | Natural na Pamamaraan |
| Rated Temperature rise (℃) | 45 ℃ |
| pagiging maaasahan | >100000h |
| Wire Indicator | Input positive 12V GND input output negative output positive 28V |
PIC at mga sukat ng pag-install

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