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

Power Supply, Converter, 28V DC Converter manufacturer / supplier in China, offering High Current 30A DC-DC Converter 12V to 28V Power Supply, Smun AC-DC Single Output 15W 5V 3A Switching Power Supply, SMB-70-24 70W 24V 3A Ultra-Thin Switching Power Supply Unit PSU and so on.

Gold Member Since 2009
Audited Supplier

High Current 30A DC-DC Converter 12V to 28V Power Supply

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Purchase Qty. / Reference FOB Price
1-49 Pieces US $65
50-99 Pieces US $60
100-999 Pieces US $55
1,000+ Pieces US $52
Port: Ningbo, China
Production Capacity: 50, 000 Per Month
Payment Terms: L/C, T/T, Western Union, Paypal
Output Type: Single
Warranty: 1 Year
Output Power: >500W
Input Voltage: 12VDC
Connection Mode: Series Switching Power Supply
Certification: CE, RoHS, ISO

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Basic Info

Model NO.: SDS-840(12)-28
Brand: Smun
Rated Power: 560W
Input Voltage Range: 9-18V DC
Output Voltage: 28VDC
Output Current: 30A
Size: 182*127*63mm
Waterproof IP: IP68
Efficiency: up to 94%
Weight: 1.5kg
Working Temperature: -40°c ~ +80°c
Short-Circuit Protection: No
Trademark: Smun
Transport Package: Standard Exporting Carton
Specification: CE ROHS ISO9000
Origin: China
HS Code: 8504401400

Product Description

1. 100% full power & stable current output
2. 100% Imported components
3. Wide input voltage from 10-16Vdc
4. Industry grade DC12V to DC28V step-up  converter, high efficiency up to 96%
5. 100% waterproof & anti-shock protection, Ultra compact size, light weight
6. According: CE/RoHS, IP68 design
7. Die-cast aluminum shell, epoxy potting, Cooling by free air convection
8. Protections: Over-current, Over-voltage, Over-temperature, Over-load and Short-circiut. Auto-recovery when device is back to normal operating
9. Non-Isolated Module, 
10. 1 year warranty, lifetime up to 100,000 hours.
Input rated voltage12V DC
Input voltage range10-16V DC
Efficiency97.5% (half load), 96% (full load)
Output voltage28V DC
Output current30 Amps
Output rated power840 Watts
Output peak power1000 Watts
Voltage regulation< 1%
Load regulation< 2%
Ripple (Full load test)< 100mV
No-load current50~60mA
Working temperature-40°c ~ +80°c
Waterproof ratingIP68
Over-voltage protectionYES
Over-current protectionYES
Over-temperature protectionYES
Short-circuit protectionNO
Machine size182*127*63mm
Package size230*150*100mm
N. Weight1.5kg
G. Weight1.63kg
Cooling wayFree air convection
OtherCarton packaging

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