Krod Electric
Lay Z
+8613868750251
hpd1000
ZN0223@GMAIL.COM
NES-350W HIGH EFFICIENCY SWITCHING POWER SUPPLY
NES-350W HIGH EFFICIENCY SWITCHING POWER SUPPLY 350W
Features :
•Protections: Short circuit / Overload / Over voltage/ Over temperature
•Forced air cooling by built-in DC fan
•Withstand 300vac surge input for 5 second
•Built-in cooling Fan ON-OFF control
•Built-in constant current limiting circuit
•100% full load burn-in test
•LED indicator for power on
•Fixed switching frequency at 90KHz
•Low cost,high reliability
•2 years warranty
| MODEL | NES-350-5 | NES-350-12 | NES-350-15 | NES-350-24 | NES-350-48 | |
| OUTPUT | DC voltage | 5V | 12V | 15V | 24V | 48V |
| Voltage tolerance | ±2% | ±1% | ±1% | ±1% | ±1% | |
| Rated current | 60A | 29A | 23.3A | 14.6A | 7.3A | |
| Current range | 0~60A | 0~29A | 0~23.3A | 0~14.6A | 0~7.3A | |
| Rated power | 300W | 348W | 349.5W | 350.4W | 350.4W | |
| Ripple&noise | 150mvp-p | 150mvp-p | 150mvp-p | 150mvp-p | 240mvp-p | |
| DC voltage ADJ.range | -9%~+10% | ±10% | ±10% | ±10% | ±10% | |
| INPUT | Voltage range | 90~132VAC/180~264VAC(selected by switch),255~373VDC | ||||
| frequency | 47~63HZ | |||||
| AC current | 7A/115VAC,4A/230VAC | |||||
| efficiency | 80% | 84% | 84% | 86% | 87% | |
| Inrush current | Cold start current 40A/115VAC,60A/230VAC | |||||
| Leakage current | < 3.5mA/240VAC | |||||
| PROTECTION | overload | Rated output power 105%~135% start over load protection | ||||
| Protection type:hiccup mode,auto-recovery after fault condition is removed | ||||||
| Over voltage | 6.8~8.2V | 15.6~17.8V | 18.6~20.8V | 30.6~33.2V | 54.8~56.6V | |
| Protection type:hiccup mode,auto-recovery after fault condition is removed | ||||||
| Over temperature | ≥50ºC fan on,≤45ºCfan off,≥95ºC±5ºC start over temperature protection | |||||
| Protection mode:cutoff output,auto-recovery after temperature become normal | ||||||
| ENVIROMENT | Working temp,humidity | -20ºC~+60ºC,20%~90%RH | ||||
| Storagetemp,humidity | -40ºC~+85ºC,10%~95%RH non-condensing | |||||
| Withstand vibration | 10~500HZ,2G 10min/1cycle,period for 60 minutes,each axes | |||||
| SAFETY STANDARD& EMC | Withstand voltage | I/P-O/P:3KVAC I/P-FG:1.5KVAC O/P-FG:0.5KVAC | ||||
| Isolated resistance | I/P-O/P,I/P-FG,O/P-FG:100M ohms/500VDC | |||||
| Safety standard | DESIGN REFER TO UL1012 | |||||
| EMC standard | EN55022,CLASSA | |||||
| OTHERS | Dimension | 215*115*50mm (L*W*H) | ||||
| Weight/packing | 1.0kg/24pcs/25kg/0.049 m³/1.72CUFT | |||||
| NOTE | 1. All parameters NOT specially mentioned are measured at 230VAC input, rated load and 25ºC of ambient temperature. 2. Ripple & noise are measured at 20MHz of bandwidth by using a 12" twisted pair-wire terminated with a 0.1uf & 47uf parallel capacitor. 3. Tolerance : includes set up tolerance, line regulation and load regulation. | |||||