120A x 3 Blocking Diode

Product Code:8-30521

Suitable for  one alternator and up to 3 Batteries

120 Amp

For switching and distributing the appropriate charge from engine

alternator(s) to boats battery system and preventing discharge from one

battery to another. Constructed of anodised aluminium heat sink and

resin filled. Unlike mechanically operated switches it distributes charge correctly

regardless of size and condition of batteries.