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led transformer 220v 24v ,350w switching power supply
Features:
1. Low price and high reliability
2. Fixed switching frequency at 25KHz
3. Forced air cooling by built in DC fan
4. High efficiency and low operation temperature
5. Soft-start current can reduce the AC input impact effectively
6. With short -circuit and overload protection
7. Compact size, light weight
8. 100% full-load burning test
9. Installed with EMI filter,minimum wave
10. Built-in cooling Fan ON-OFF control
1. INPUT
Voltage Range :90~132 VAC/180~264VAC selected by switch47~63 Hz ;254~370VDC
AC Current :6.5A/115 V 4A/ 230 V
Efficiency :73%(SKS-350-5); 76%(SKS-350-7.5); 74%(SKS-350-12); 79%(SKS-350-13.5);
78%(SKS-350-15); 81%(SKS-350-24); 82%(SKS-350-27); 83%(SKS-350-48);
Inrush Current :Cold start 50A/115V50A/230V
Leakage Current :<3.5 mA/240VAC
2. PROTECTION
Over Load 105%~135%
Protection type: Fold back current limiting, recovers automatically after fault condition is removed.
Over Voltage 115%~135%
Protection type: hiccup mode, recovers automatically after fault condition is removed.
Over Temp. RT3≥55°C FAN ON, ≤45°C FAN OFF, ≥80°C output shutdown (5~7.5V)
RT3≥65°C FAN ON, ≤55°C FAN OFF, ≥80°C output shutdown (12~15V)
RT3≥70°C FAN ON, ≤60°C FAN OFF, ≥85°C output shutdown (24~48V)
3.ENVIRONMENT
Working Temp., Humidity -10°C~+50°C; 20%~90 %RH
Storage Temp., Humidity -20°C~+85°C; 10%~95 %RH
Vibration 10~500Hz, 2G 10min./1cycle, period for 60min, each along X, Y, Z axes
4. SAFETY
Withstand voltage:Input and output internal:1.5KvAC,Input and enclosure:1.5KvAC,Output and enclosure:0.5KvAC
Isolation resistance:Input and output internal,input and enclosure,output and enclosure:500VDC/100MΩ
5. STANDARD
Withstand Voltage I/P-O/P: 1.5KVACI/P-FG: 1.5KVACO/P-FG: 0.5KVAC
Isolation Resistance I/P-O/P, I/P-FG, O/P-FG: 100M Ohms/500VDC
6. OTHERS
Dimensions: 215*115*50mm(L*W*H)
Weight 1.07Kg
Packing 12pcs/13.5Kg/0.98CUFT
7. OUTPUT
Model | S-350-5 | S-350-7.5 | S-350-12 | S-350-13.5 | S-350-15 | S-350-24 | S-350-27 | S-350-48 |
DC Voltage | 5V | 7.5V | 12V | 13.5V | 15V | 24V | 27V | 48V |
Voltage Tolerance | ±2% | ±2% | ±1% | ±1% | ±1% | ±1% | ±1% | ±1% |
Rated Current | 50A | 40A | 29A | 25.8A | 23.2A | 14.6A | 13A | 7.3A |
Current Range | 0-50A | 0-40A | 0-29A | 0-25.8A | 0-23.2A | 0-14.6A | 0-13A | 0-7.3A |
Rated Power | 250W | 300W | 348W | 348.3W | 348W | 350.4W | 351W | 350.4W |
Ripple & Noise | 150 mVp-p | 150 mVp-p | 150 mVp-p | 150 mVp-p | 150 mVp-p | 150 mVp-p | 200 mVp-p | 240 mVp-p |
DC Adjustment Range | -10%,+12% | ±20% | -16%,+10% | -12%,+11% | -10%,+20% | -16%,10% | -4%,+18% | -15%,+17% |
Setup,Rise,Hold Time | 200ms,50ms,20ms at full load | |||||||
NOTE
1.All parameters NOT specially mentioned are measured at 230VAC input, rated load and 25°C of ambient temperature.
2.Ripple & noise are measured at 20MHz of bandwidth by using a 12" twisted pair-wire terminated with a 0.1μ &47μparallel capacitor.
3.Tolerance: includes set up tolerance, line regulation and load regulation
1.Today's effort, tomorrow's reward !
2.Continuously improve CQTS to satisfy customer is our goal !
3.To satisfy our customers is our goal !
4.We're holding on quality for existence &prestige for development !
High reliability ac 220v 24v transformer