Cobra Electronics CPI 300 User Manual
00
Nothing comes close to a Cobra
™
Operating Instructions for Your
Cobra
®
300 Watt
POWER
INVERTER
M ODEL CPI–
300
A1
Congratulations
Thank you for purchasing the CPI 300 Power Inverter from
Cobra
®
. When used properly, your unit will give you many
years of reliable service. The operating features of your
CPI 300 include:
300 Watt
POWER INVERTER
MODEL CPI–
300
• Automatic thermal
protection/shutdown
• Reverse polarity protection
• Dual AC receptacle
• Low battery alarm
• Low battery shutdown
AC Output AC Output
POWER
FAULT
OFF
ON
AC outlets
+
-
fuse
battery
cable
terminals
ON/OFF POWER
switch
fault indicator
power indicator
INTRODUCTION
For Best Results
Your CPI 300 must be
installed and used properly
in order to provide the best
possible results. Please read
all instructions carefully
before installing and using
the unit. Pay special
attention to CAUTION and
WARNING statements in this
manual.
CAUTION statements
specify conditions that
could cause damage to the
unit or other equipment.
WARNING statements
identify conditions that
could result in person
injury or loss of life.
Cobra®300W
Output Waveform
This unit’s output waveform
is referred to as ”square
wave“ of ”modified sine
wave“. It is a stepped
waveform designed to have
characteristics similar to the
sine wave shape of utility
power. A waveform of this
nature is suitable for most
AC loads (including linear
and switching power suppliers
used in electronic equipment,
transformers and motors).
A2
CAUTION
WARNING
Introduction A2
How Your Cobra
®
Power Inverter Works A3
Rechargeable Appliances 1
Quick Checkout 2-3
Installation and Operation 4
Controls and Indicators 5
Operating Limits 6
Input Voltage/Automatic Shutdown 6
Troubleshooting Guide 7
Maintenance and Service 8-9
Power Consumption 10
Specifications 11
Limited 2-Year Warranty 12
1
2
3
4
5
5
6
7
8
9
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Table of Contents
How Your Cobra®Power
Inverter Works
The Cobra®Power Inverter
takes low voltage DC (direct
current) power from your
automobile or other low
voltage power supply and
converts it to standard 110
volt AC (alternating current)
power like the electrical
current you have in your home.
You can connect your power
inverter either with the 2 foot
direct-to-battery 12 gauge
cable (included) or simply by
plugging into your vehicle’s
cigarette lighter socket. This
will allow you to use many of
your household appliances and
electronic products in
automobiles, RVs, boats,
tractors, trucks, and virtually
anywhere else.
Customer Assistance
You can receive technical
assistance with your unit
through one of our customer
support services:
• Automated Help Desk
is available 24 hours a day,
7 days a week at
773-889-3087.
• Customer Service Operators
are available 773-889-3087
Monday - Friday,
8:00 a.m. to 6:00 p.m. CST.
• Questions can be faxed to
773-622-2269.
• Automated Technical
Assistance is available 24 hrs.,
7 days a week via e-mail at:
productinfo@cobra.com.
• On-line answers to
frequently asked questions can
be found at: www.cobra.com
For additional Customer Service
information, see page 8-9.
A3
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