Gold Member Since 2009
Audited Supplier
Zhejiang Ximeng Electronic Technology Co., Ltd.

Power Supply, DC DC Converter, 13.8V 20A DC Converter manufacturer / supplier in China, offering Waterproof 24VDC to 13.8VDC 20A 276W DC DC Buck Converter, 150W 12V 12.5A Switching Power Supply (S-150-12), Smun S-600-12 600W 12VDC 50A Single Output Switching Power Supply and so on.

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Supplier Homepage Product DC-DC Converter DC-DC BUCK CONVERTER Waterproof 24VDC to 13.8VDC 20A 276W DC DC Buck Converter

Waterproof 24VDC to 13.8VDC 20A 276W DC DC Buck Converter

Purchase Qty.:
1-49 50-99 100-999 1,000+
FOB Unit Price: US $11 US $9.8 US $9 US $8.4
Purchase Qty. (Pieces) FOB Unit Price
1-49 US $11
50-99 US $9.8
100-999 US $9
1,000+ US $8.4
Get Latest Price
Port: Ningbo, China
Production Capacity: 50, 000 Per Month
Payment Terms: L/C, T/T, Western Union, Paypal, Money Gram

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Basic Info
  • Model NO.: SDJ-276(24)-13.8
  • Output Type: Single
  • Certification: CE, RoHS
  • In-Out: Step-down Type
  • Brand: Smun
  • Input Voltage Range: 18-40VDC
  • Output Current: 20A
  • Waterproof: IP68
  • Warranty: 1 Year
  • Have in Stock: Yes
  • Transport Package: Carton Packed
  • Origin: China, Zhejiang
  • Usage: Light, Construction, Digital Products, Vehicle
  • Driving Method: LED Regulator Voltage
  • Power Supply Mode: Constant Voltage Source
  • Power Supply Voltage: 24VDC
  • Output Rated Power: 276W
  • Output Voltage: 13.8V
  • Efficiency: up to 95%
  • Working Temperature: -40°c to +80°c
  • Weight: 280g
  • Trademark: smun
  • Specification: 74*74*32mm
  • HS Code: 8504401400
Product Description
1. 100% full power & stable current output
2. 100% Imported components
3. Wide input voltage from 18-40Vdc
4. Industry grade DC24V to DC13.8V step-down converter, high efficiency up to 94%
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 voltage24V DC
Input voltage range18-40V DC
Efficiency95% (half load), 94% (full load)
Output voltage13.8V DC
Output current20 Amps
Output rated power276 Watts
Output peak power345 Watts
Voltage regulation< 1%
Load regulation< 2%
Ripple (Full load test)< 50mV
No-load current25~27mA
Working temperature-40°c ~ +80°c
Waterproof ratingIP68
Over-voltage protectionYES
Over-current protectionYES
Over-temperature protectionYES
Short-circuit protectionYES
Machine size74*74*32mm
Package size98*82*34mm
N. Weight290g
G. Weight300g
Cooling wayFree air convection
OtherCarton packaging
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