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Sima Products Corporation
140 Pennsylvania Avenue
Bldg. #5
Oakmont, PA 15139
412-828-3700 or 800-345-7462
http/www.simacorp.com
P/N 21684 03.5
Introduction
Congratulations on your purchase of the STP-325 Power Inverter. It
lets you provide 2 sources for 115 Volts AC anywhere you have 12
volts; in your car, truck, RV or boat. It is designed to be easy to use
and provide years of dependable service.
IMPORTANT SAFETY NOTE
Read all the Cautions and Warnings before installing and using the
power inverter. The inverter must be properly installed. If you are not
familiar with 12 volt high current wiring, it is recommended that you
have a professional automotive installer install the inverter.
Cautions
• The STP-325 generates 115 Volts AC power from your 12 volt
car battery. Treat the 115 Volt AC output just like you treat
the 115 Volt AC in your house. It is just as dangerous.
Keep children away from STP-325.
• With heavy use, the unit will become warm and possibly hot.
Keep it away from any heat sensitive materials.
• Do not connect the unit to AC distribution wiring.
• Keep the unit away from water. Do not allow water to drip or
splash on the STP-325
• Keep the unit in cool environments. Ambient air temperature
should be between 40 degrees and 80 degrees F. Do not block
fan opening.
• Keep out of direct sunlight and away from heating vents.
• Keep the unit away from flammable material or in any location
which may accumulate flammable fumes or gases, such as the
battery compartment of your car, boat, RV or truck.
Health Advisory
Sima Products does not authorize the use of the STP-325 with
any products to be used in life support devices or systems.
Model No. ___________
Date Purchased ___________
This package Includes
STP-325 Power Inverter
Cable with Alligator clips – 30”
Cable with cigarette lighter adapter
Instruction manual (this document)
Key Features
The STP-325 is designed for high-efficiency operation to provide the
most output with the least battery power usage.
Advanced protection
• Thermal Protection shuts the unit off to guard against the
unit getting too hot
• Overload Protection protects the unit from excessive
loads
• Under Voltage Protection turns the unit off to protect the
battery from being over discharged
This Sima power inverter produces a modified sine wave output
which is suitable for most AC loads. This includes lights, appliances,
motors, TVs and most electronics.
CAUTION: There are a few battery chargers that are not compatible
with modified sine wave operation. These are typically small
rechargeable, battery-operated devices like razors and flashlights that
can be plugged directly into an AC receptacle to recharge.
Some chargers for battery packs used in power tools also should not
be used with an inverter. These chargers typically have a warning label
indicating that dangerous voltages are present at the battery terminals.
Only a true sine wave inverter should be used with these types of
appliances. Damage to the device could result if you attempt to use
them with any type of modified sine wave inverter.
Warning: Do not use the Sima power inverter
with devices mentioned above!