Working Principle; Connection Method - Abax OBS-243K User Manual

Pure sine wave inverter, modified sine wave inverter
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Guidelines

Working Principle

The inverter works in two stages.During the first stage,the DC to DC converter increases the DC
input voltage from the power source(eg.A 12V battery) to 300V DC. In the second stage, the
high voltage DC is converted to the watts you need (AC) using advanced power MOSFET tran-
sistors or IGBT technology in a full bridge configuration. The result is excellent overload
capability and the capacity to operate difficult reactive loads.

Connection Method

3-2-1.Attach the ring type connector marked with redto the positive (+) DC terminal on the
inverter and attach the ring connector marked with black to the negative (-) DC terminal.
CAUTION! A reverse polarity connection (positive to negative) may damage the inverter
(Fuse). Damage caused by a reverse polarity connection would probably invalidate your
warranty
7

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