Blue Sea Systems
High Performance 4-Position Battery Switch with AFD - Blue Sea Systems
Price: $47.99
Save: $11.50
(19% Off $59.49)
Part # 9002E
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350Amp continuous rating for applications requiring high power output, reliability and low heat generation. Luminous label for low light reading. Make-before-break contact design allows switching between battery banks without power interruption.


  • Meets all ABYC requirements for battery switches.
  • Fits all Perko low amperage battery switch hole patterns.
  • 48 Volts DC maximum.
  • 3.85" x 3.85". With a 1.10" battery cable clearance

Alternator Field Disconnect (AFD), is an additional switch that protects your alternator Diodes by preventing them from sending power when the battery is turned off. Included on 9002e model.

  Instructions for 9002E E-Series Selector Battery Switch with AFD

I didn't need the afd can I still use this with out using the afd?
Blue Sea confirms you should have no problems using it without using the AFD.

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