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 12volt to 28volt 40AMP DC to DC Voltage Converter, 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

12volt to 28volt 40AMP DC to DC Voltage Converter

Get Latest Price
Purchase Qty. / Reference FOB Price
1-49 Pieces US $98
50-99 Pieces US $91
100-999 Pieces US $85
1,000+ Pieces US $81
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-1120(12)-28
Brand: Smun
Rated Power: 560W
Input Voltage Range: 9-18V DC
Output Voltage: 28VDC
Output Current: 40A
Size: 200*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, LED display
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 current40 Amps
Output rated power1120 Watts
Output peak power1400 Watts
Voltage regulation< 1%
Load regulation< 2%
Ripple (Full load test)< 180mV
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 size200*127*63mm
Package size250*150*100mm
N. Weight2.5kg
G. Weight2.85kg
Cooling wayFree air convection
OtherCarton packaging

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