Build a powerful battery
charger for those cloudy or windless days using our powerful
Photo shows two of our PMA units that
one of our customers powered with an 8 HP engine. After thousands
of hours the PMA's are just NOW getting broke in and stating
their 75 year projected life cycle since there are no brushes
to wear out or worry about.
(Do not forget to order a cooling
GET FREE HOT WATER WHEN YOU
USE WATER COOLED ENGINES
The PC120 series makes 12 volts
spinning by hand or 680 volts at 6000 RPM (PFK cooling
fan kit) - Please NOTE! This model has very fine wire and
is easily burnt out when over heated. You must use a 10 amp fuse
when doing test work with this model. Carefully evaluate and
analyze heating problems before jumping to higher amperage fuses.
Please note that cooling fans are also ineffective at speeds
below 2500 RPM. DO NOT OVER LOAD THIS MODEL WITH HIGH AMPERAGE
AT LOW SPEEDS!!
PC series PMA's weigh 12 LBS. - Size
8" X 7" X 7"
WARNING!! Make sure you connect
a PMA to the correct battery polarity. Positive PMA to positive
battery terminal and negative PMA to negative battery terminal.
IF you reverse the connections you will burn out your PMA as
the power rushes past the blocking diodes and melts your coils!!!
If you plan to put your PMA in a
salt water environment you
MUST coat all metal surfaces to
prevent the disaster of corrosion!
We offer the longest extended warranty
in the industry - 10 years!!!
You can buy an extended contract for
a full 10 years!!!!!!!!
Standard warranty is 90 days for all
wind turbines on this site.
For a full 10 year extended warranty
for more info
and pulley option for all engine and hydro powered systems -
Model #PFK Series - $44.00
ea. Choose from the TWO sizes below.
#PFK Series - Pulley and
fan kit -Includes your option of :
#PFK60B - 60MM standard
pulley for wide 1/2" belts -
#PFK80B - 80MM standard
pulley for wide 1/2" belts -
#PFK60B - 60MM Serpentine
#PFK80B - 80MM OD Serpentine
A LARGE extra heavy duty cooling fan
must be used for all engine, hydro and or belt driven systems.
Wind turbines usually have enough air circulation not to require
a fan BUT you must determine this fact by testing and observation.
Specify your series #PFK cooling fan kit option at the time of
your PMA order. Our PMA's are not fail safe!!! If you over load
them they can burn out!!! You as the designer must watch carefully
for signs of over heating. We will not warranty any fried PMA's!!!!!!
IF you are pulling over 500 Watts
without a cooling fan your PMA it will over heat! Fan kits are
very important to have on ALL high amp applications!!!!--- Keeping
your PMA's cooled, fused and under reasonable loads is the operators
full responsibility. Monitor your PMA for excessive heating in
all experimental machinery! Maximum PMA's operating temperature
is 350 F. for 100% duty cycle. No warrantees on ANY burned out
PMA's! They are sold in good working condition and you have to
keep them cool and never over loaded regarding amperage draw.
A PMA RUNNING SLOW WHILE DRAWING
A FULL AMP LOAD IS A DEAD PMA!
Here is guide to help you choose
the right PMA and keep it cool via the correct RPM V. AMPS coefficient
These figures must then be matched
to the power curves. This total calculation mustbe done
correctly or you may find yourself
burning up a few PMA's as part of your learning curve.
(Expensive lessons for the inexperienced!!!!!!!!
All Sales Final.)
Power at max amps is rated as a DEAD
SHORT on our charts! That is to be used as a guide line sine
we DO NOT know your loads in ohms.
To operate at a dead short is impossible
so figure roughly 25% of this amperage at a 80% duty cycle or
20% at a 100% duty cycle.
Following these figure are ONLY a guide
and is not a guarantees cool operation since your amp load can
still be to extreme. Don't pull more amperage then they can handle.
If you burn one up you own it!!! No warranties on burned up PMA's!!!
All Sales Final. If you are an amateur and do not understand
electrical windings and how much heat they can take please don't
buy one of our PMA's. If you are experienced watch for over heating
and be careful.
Do not attempt to use a pulley smaller than 60MM" - The
belt tension required to keep the belt from slipping on a smaller
pulley will cause excessive pressure on the front bearing shorting
5 to 8 HP engines are the most popular
choice for people trying to achieve maximum results from their
PMA's when utilizing internal combustion engines. A 5 to 6"
engine pulley works good on 4 to 10 horse power engines and a
6 to 9" drive pulley has reportedly worked good for 10 and
18 horse power engines.