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BK Precision 1686A
12A 3-14V DC Power Supply

  • Variable Voltage - 3 to 14 volts DC output
  • 12 A guaranteed @ 13.8V (output current proportional to output voltage)
  • Current limiting overload protection
  • Over voltage protection
  • Short circuit protection
  • Reverse polarity protection
  • Thermostatically controlled cooling fan
  • Thermal protection
  • Operates continuously at full load without overheating
  • Connect two in parallel for more current
  • Connect two in series for higher voltage
  • 1 Year Warranty
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BK Precision 1686A Shown
Product Information
Datasheet 103 KB
Manual 689 KB
Power Supply Guide 1 MB PDF
PDF Help
B&K Precision Education Discount: Spend $5,000 or more, and get 10% off you buy any B&K Precision Units
High current in a small footprint.  Twelve Amps with variable voltage of 3 to 14 volts in excellent for powering automotive or marine electronics.  Thermostatically controlled fan keeps things cool.  Model is overvoltage and short circuit protected as well as reverse polarity protected.  Current limiting design.
Ordering Information
Model Description Buy Online Price
1686A BK Precision 1686A 3-14V/12A@13.8V DC Power Supply Buy Now Sale $195.95
(Reg. $225.00)
European Model (220V Version)
1686A-EXD BK Precision 1686A-EXD 3-14V/12A DC Power Supply (220V Ver.) Buy Now Sale $195.95
(Reg. $225.00)
Included Accessories
  • 1 - Spare Fuse
  • 1 - Instruction Manual
Optional Accessories
TL 5A  BK Precision TL-5A 5A Hook-Up Cable Set  Buy Now $10.00 
TL 30  BK Precision TL 30 30A Hook-up Cable Set  Buy Now $18.00 
TLPS  BK Precision TLPS Power Supply Test Leads Set  Buy Now Sale $34.95
(Reg. $41.00)