Specifications

There is nothing stopping you from adding more relays to increase the total load capability.
The following precautions must be taken into account if you wish to add more relays. The internal regulator can
handle 4 relays (40 amp automotive type).
About load diversion.
The basic operating philosophy of a diversion controller is quite simple. Monitor the battery voltage, and if it
should rise to a predetermined level, connect a “Dummy Load” of sufficient size, to the battery or energy source
to prevent the battery voltage from increasing any further. This is a very simple, yet very effective way of
preventing battery overcharging. All alternate energy systems should have some form of battery overcharge
protection.
Several schools of thought on the subject:
1. The source of power (wind turbine, solar panels etc.) -- should remain connected to the batteries while
the dump load controller is actively dumping the excess voltage.
2. The source should be diverted to the load directly and disconnected from the batteries.
We happen to believe that is far better to leave the wind turbine connected to the batteries at all times.
Why? When you remove the battery level voltage from a wind turbine and send its power directly to a
load, then it sees for all practical purposes a short circuit (depending on the resistance of the load and
lead wires.) This may cause the turbine blades to slow dramatically and in some cases bring it to a halt.
This braking action can cause heat build up in the stator if it is repeated every few seconds or so (if the
battery is just a little over the top). When you allow the turbine to see the batteries, along with the
load, the turbine remains more within its design realm -- always a good thing.
Please note: this controller does not include a blocking diode or an A/C to D/C rectifier, as these are
specific to your application. If you are using the controller with a DC turbine or solar panels, you may
need to purchase a blocking diode. A/C turbines require rectification from A/C to D/C.
Specifications:
Maximum continuous input voltage on the Battery sense leads (+/- terminal blocks) is 35vdc
Maximum intermittent input voltage on the Battery sense leads (+/- terminal blocks) is 42vdc
Maximum recommended input voltage on the Relay contacts is 45 volts.
12-volt systems: 40 Amps, not to exceed 900 watts for the normally open contacts; 30 Amps/720 watts for the normally closed
contacts.
This controller has been designed for 12 volt battery banks only.