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1. INTRODUCTION
Your new Vector® Power-On-Board™ 400 inverter is one in a series of
the most advanced DC to AC inverters available today. With proper
care and appropriate usage, it will give you years of dependable
service in your car, truck, RV or boat.
The Power-On-Board™ 400 supplies 400 watts of continuous power,
with a 800 watt peak, in the form of two household-type outlets that are
ready to deliver 110 volt AC power whenever and wherever you need
it! The heavy-duty inverter has enough power to run almost any house-
hold or electronic appliance, including color TVs (up to 25"), TV/VCR
combinations, laptop computers, camcorders, cellular phone, camcorder,
power tool chargers, lamps and many more. It also comes equipped
with battery clips to handle higher amperage/load applications, such
as;power tools, stereo amplifiers (up to 300 watt RMS), vacuums, etc.
Added safety features include automatic shutdown and a low battery
alarm to prevent damage to your battery.
This power inverter incorporates a new cooling technology that directly
benefits our customers. The new design more efficiently cools the power
transistors and thereby increases reliability and the life of the product.
Given proper care and appropriate use, your inverter is covered by a 120
day initial warranty. You may extend the warranty to two full years by
paying a small fee. See the Warranty Information at the end of this manual.
2. HOW YOUR VECTOR INVERTER WORKS
The inverter converts low voltage DC (direct current) from a battery or
other power source to standard 110 volt AC (alternating current) house-
hold power.
2.1 PRINCIPLE OF OPERATION
The inverter converts power in two stages. The first stage is a DC-to-DC
conversion process that raises the low voltage DC at the inverter input to
145 volts DC. The second stage is the actual inverter stage that converts
the high voltage DC into 110 volts, 60 Hz AC.
The DC-to-DC converter stage uses modern high frequency power con-
version techniques that have replaced the bulky transformers found in
less technologically-advanced models. The inverter stage uses advanced
power MOSFET transistors in a full bridge configuration. This ensures
excellent overload capability and the ability to operate reactive loads
like lamp ballasts and small induction motors.
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