Bobrick B3974-57 AC External Adapter 6V


SKU: B3974-57 Bobrick

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This is an AC external adapter by Bobrick that helps to avoid the use of regular batteries. It is compatible with Bobrick’s automatic liquid soap dispenser and automatic paper towel dispenser. The adapter eliminates the need to spend money on batteries by converting the unit from battery power to AC power. It includes AC to DC switching power supply, AC adapter plug, and expandable 1” grommet.


  • External AC adapter
  • Helps to convert one unit from battery power to AC power
  • Features an extra-long cable wire for complete ease of use
  • Comes with a set of accessories
  • Compatible with B-2974, B-29744, B-3974, B-39747, B-3979, B-72974, B-824


  • AC to DC switching power supply
  • Expandable 1″ grommet
  • U.S. AC adapter plug


Brand Bobrick
Product Type AC External Adapter
Manufacturer Part Number B3974-57
Color Black
Voltage 6 V
Certification and Listings cULus, CE, GS

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