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Home: SLE Solar Catalog: Electronics: Converters:

DC Converter EQ 12/48
Cat. No. SC-EQ 12/48
Weight 4 lbs

Solar Converter DC Converter EQ 12/48-10 Amp and 30 amp Used to keep your load voltage constant at 48 V as the battery discharges from 14 to 11 V.

This rugged and versatile unit is used to power a small load at 12 V from a 48 V battery, or to power a small 48 V load from a 12 V battery. It functions both ways, producing 12 V @ 10 Amps from a 48 V input or can be connected backwards to produce 48 V @ 2.5 Amps from a 12 V input.

When connected as a battery equalizer, it allows large transient 12 V loads to be taken off the first tap of a 48 V battery (made of 4 X 12 V batteries) without fear of upsetting the voltage balance of the battery and destroying the 48 V battery system that would otherwise occur.

Features
* Low Cost
* High Performance
* Rugged boost voltage design
* Available in Optional NEMA 4 enclosure (weatherproof)
* Very High Efficiency >92 %, 96 % typical

Input low side Input high side
Input Voltage (nominal battery) V 12V 48V
Output Voltage 48V 12V
Output Current 2.5A
Current Limited
10A
Current Limited
Ripple at load 30mV rms 30mV rms
Efficiency >95% >95%

This unit is an up or down voltage converter whose output is proportional to its input. It functions both ways, producing 12 V @ 30 Amps from a 48 V input or can be connected backwards to produce 48 V @ 7.5 Amps from a 12 V input.

Also, regulated models are available to produce a fixed output voltage instead of the proprotional output. For example, Model EQ 12/48-25 R13.5 produces a fixed 13.5 V output at 40 amps from a 48 V nominal battery source.
When connected across a 48 V battery, it functions as a battery equalizer, allowing loads to be taken off of the 12 V battery section of a 48 V battery pack without fear of damage to the battery pack due to voltage mismatch.

Input low side Input high side
Input Voltage (nominal battery) V 12V 48V
Output Voltage 48V 12V
Output Current 7.5A
Current Limited
30A
Current Limited
Ripple at load 30mV rms 30mV rms
Efficiency >96% >96%


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