Description
The 721 heavy duty selector switch provides four possible operation settings, Off, Battery 1, Both and Battery 2 giving the choice of charging a selected battery or isolating current draw to a single battery. The switch can be recess mounted in a 85mm hole or surface mounted. Screw holes 5mm roundhead. Removable rear cover insulates the rear terminals against short circuit and removable side plates provide access for heavy duty battery cables. Please note this system will not protect electronics from harmful engine starting spikes.
Specifications
Continuous rating 350 amps DC between common and B1 or B2
500 amps DC between common and B1 and B2
Intermittent rating 500 amps DC
Cranking rating 1500 amps DC for 10 seconds
Voltage rating 48 volts DC maximum
Terminal stud size 3 x 10mm
Product Details
We usually dispatch within 2–8 days.
In a hurry? If the item’s in stock, we might be able to send it out the same day — just let us know.
Not the Right Fit? We’ve Got You.
If your boating gear isn’t quite right — in size, fit, or feel — you can return it within 30 days for a full refund or exchange. No stress, no risk.