Zhejiang, China
Business Type:
Number of Employees:
Year of Establishment:
Management System Certification:
ISO 9001, ISO 9000
OEM/ODM Service
Sample Available

Power Supply, Switching Power Supply, Switching Mode Power Supply manufacturer / supplier in China, offering 300W 5V 25A/24V 7A Dual Output Switching Mode Power Supply, St-100 Home Use 100W 110V-220V and 220V-110V Step up&Down Transformer, Smun AC-DC Single Output 15W 5V 3A Switching Power Supply and so on.

Gold Member Since 2009
Audited Supplier

300W 5V 25A/24V 7A Dual Output Switching Mode Power Supply

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Purchase Qty. / Reference FOB Price
1-9 Pieces US $16
10-99 Pieces US $15
100-999 Pieces US $13
1,000-2,999 Pieces US $12
3,000+ Pieces US $11.5
Port: Ningbo, China
Production Capacity: 1000PCS/Day
Payment Terms: L/C, T/T, D/P, Western Union, Paypal, Money Gram
Output Type: Dual
Warranty: 2 Years
Output Power: 201 - 300W
Input Voltage: 110VAC/220VAC
Connection Mode: Series Switching Power Supply
Starting Mode: Separate-excited Switching Power Supply

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Basic Info

Model NO.: D-300B
Voltage Regulating Mode: Frequency Modulation Type
Power Supplying System: Terminal Power Distribution Equipment
Energy Transmission: One-way Transmission
Modulation System: PWM
Certification: CE, RoHS
Brand: Smun
Input: 85~132VAC/170~264VAC 47~63Hz 240~370VDC
Input Current: 2.5A/115V,1.25A/230V
Power: 300W
Output: 5V 25A/24V 7A
Weight: 1.1kg
Package: 16PCS/CTN
DC Adjustable: 10%
Working Temperature: -10~+60 Degree C 20%~90%Rh
Safety Standard: En60950 UL60950 GB4943
Customized: Available
Trademark: smun
Transport Package: Export Standard Carton
Specification: CE ROHS CCC ISO
Origin: China, Zhejiang Province
HS Code: 8504401400

Product Description


Dual output switching power supply
AC input voltage range selected by switch
Small volume, low weight, high efficiency
Protections: Short circuit/over load/over voltage/over temp
Cooling by free convection

LED indicator for power on
100% full load burn-in test
2 years warranty
OutputDC VoltageCh1:5vCh2:12vCh1:5vCh2:24vCh1:12vCh2:24v
Voltage tolerance±2.0%±6.0%±2.0%±7.0%±3.0%±7.0%
Rated Current2-25A0.5-15A2-25A0.4-7A2-25A0.2-4A
Related Power300w300w300w
DC Voltage ADJ rangeCh1:-9%~+10%
Set up,rise,hold up time200ms  100ms  30ms
InputVoltage Range95 ~132VAC  180-264VAC  47-63HZ
AC Current15A/115VAC 8A/230VAC
AC inrush currentCold start current  25A/115V  50A /230VAC
Leakage current<3.5mA/240VAC
ProtectionOverloadRelated output power 105-150% start overload protection
Protection type: cutoff output, recovery after restart power
Over voltageCh2 :115%~135%
Hiccup mode,recovers automatically after fault condition
EnvironmentWorking temp humidity-10~+60°C 20%~90%RH
Storage temp, humidity-20~+85°C 20%~90%RH Non-condensing
Withstand vibration10-500Hz,2G 10min/1 cycle, period for 60min, each axes
SafetyWithstand voltageI/P-O/P:1.5KVAC I/P-FG:1.5KVAC O/P-FG:0.5KVAC
Isolation resistanceI/P-O/P:I/P-FG:O/P-FG: 100M Ohms/500VDC
StandardSafety standardFit UL1012
ReferDesign refer to GB4943,UL60950,EN60950
EMC standardDesign refer to GB9254,EN55022 Class A
Package1.1kg, 16pcs/18kg
Note:1.All parameters not specially mentioned are measured at 230VAC input, related load and 25 of ambient temperature.
2.Wave&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.

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