NVVV Electric
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| S-350 350W Switching Power Supply | |||||||
| Project | Technical Index | ||||||
| Output | DC Voltage | 5V | 12V | 18V | 24V | 36V | 48V |
| Rated Current | 50A | 29A | 19.4A | 14.5A | 9.7A | 7.3A | |
| Rated Power | 250W | 350W | 350W | 350W | 350W | 350.4W | |
| Ripple & Noise ① | < 150mV | < 150mV | < 150mV | < 150mV | < 240mV | < 240mV | |
| Voltage Accuracy | ±2% | ±1% | |||||
| Voltage Reg. Range | ±10% | ||||||
| Load Adjust Rate | < ±1.5% | < ±1.2% | < ±1.2% | < ±1% | < ±0.5% | < ±0.5% | |
| Linear Adjust Rate | < ±1% | ||||||
| Input | Voltage Range | 90-132VAC / 180-264VAC (47Hz-63Hz) ; 254VDC-370VDC | |||||
| Efficiency (typical) ② | > 74% | > 82% | > 82% | > 84% | > 86% | > 86% | |
| Working Current | < 5.2A at 115VAC / < 2.8A at 230VAC | ||||||
| Impulse Current | 110VAC: 25A / 220VAC: 50A | ||||||
| Start, Rise, Hold Time | 200ms, 50ms, 20ms at 230VAC | ||||||
| Protection | Overload | 105% - 135% type: constant current output + VO reduced to undervoltage point, cut off output. Reset: power on again. | |||||
| Overvoltage | Close output when ≥ 115% - 145% | ||||||
| Undervoltage | Close output when ≤ 10% - 45% | ||||||
| Short Circuit | Close output | ||||||
| Over Temp. |
Rth3: ≥ 65℃ fan start, ≥ 55℃ fan close, ≥ 80℃ close output (5V-15V) Rth3: ≥ 70℃ fan start, ≥ 60℃ fan close, ≥ 85℃ close output (18V-48V) |
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| Environment | Working Temp/Humid. | -10℃ ~ +50℃ ; 20% ~ 90% RH | |||||
| Storage Temp/Humid. | -20℃ ~ +85℃ ; 10% ~ 95% RH | ||||||
| Safety Regulations | Withstand Voltage | Input-Output: 1.5kVac; Input-Shell: 1.5kVac; Output-Shell: 0.5kVac for 1 minute | |||||
| Leakage Current | Input-Output: < 6mA at 1.5kVac | ||||||
| Leakage Current (2) | < 1.5mA at Input-Output 220VAC | ||||||
| Isolation Resistance | Input-Output, Input-Shell, Output-Shell: 500VDC / 100MΩ | ||||||
| Other | Size | 215 * 114 * 50mm | |||||
| Net/Gross Weight | 874.1g / 936.3g | ||||||
Yes, absolutely. We offer both OEM (your brand, logo, packaging) and ODM (we help design/develop products based on your ideas or samples). We have experience working with well-known companies in the industry, and we are confident we can bring that same quality and reliability to your projects. Your brand and ideas are safe with us.
We offer standard voltages including 12V, 24V, 36V, 48V, 60V, 68V, 110V depending on the specific item.
Yes, sample orders are welcome to test quality. Mixed samples are acceptable. We also have overseas warehouses, so you can receive samples faster.
Our MOQ is low. For sample checking, 30 pieces are available.
We work with reliable shipping logistics partners. Depending on your country, our sales team can recommend dedicated shipping routes for better service and lower prices. Specific delivery times can be provided upon request.
