Welcome
to Isolation
Transformer Sales!
Your source
for high quality power isolation transformers
at wholesale prices. Fill out the form
below or give us a call to get a quote on your
transformer needs. Whatever type of
isolation transformer that you need - we can
supply it: line isolation transformers, drive
isolation transformers, 3 phase isolation
transformers, medical grade isolation
transformers, or a custom isolation
transformer built to your specifications,
just let us know.
What
is an isolation transformer?
An isolation
transformer, which often has symmetrical
windings, is used to decouple two circuits. An
isolation transformer allows an AC signal or
power to be taken from one device and fed into
another without electrically connecting the two
circuits. Isolation transformers can be used to
block transmission of DC signals from one
circuit to the other, but allow AC signals to
pass. They will also block interference caused
by ground loops. Isolation transformers with
electrostatic shields are used for power
supplies for sensitive equipment such as
computers or laboratory instruments.
Widest
Range Of Isolation Transformer Supplies
Our wide
range of high quality isolation transformers
includes brand names such as GE Industrial
Transformer, Marcus Transformer, TEMCo Transformer, Federal Pacific Transformer,
Hammond Transformer, and
Acme Transformers with stock models with
capacity ranges 0.05 kva through 5000 kva. Let
us help you select the best isolation
transformer for your needs.
Standard
Isolation Transformers
Isolation
Transformers have primary and secondary windings
that are kept physically separate. Sometimes
isolation transformers are called
"insulated transformers". This is
because the primary and secondary windings are
insulated from each other.
In an
isolation transformer the output winding will be
isolated, or floating from earth ground, unless
bonded when it is installed.
Shielded
Isolation Transformers
Shielded isolation transformers have all the
features of the standard isolation transformers
plus they also incorporate a full metallic
shielding (this shielding is often copper or
aluminum) between the primary and secondary
windings. These shielded isolation
transformers are then referred to as electrostaticly
shielded isolation transformers. The
electrostatic shield ("Faraday
Shield") is connected to earth ground and
performs two functions:
1) It filters
(attenuates) voltage spikes (voltage
transients). These shielded isolation
transformers have an attenuation ratio of 100 to
1.
2) It filters
common mode noise. This is usually an attenuation
of approximately 30 decibels.
Shielded
isolation transformers are preferred
over standard isolation transformers
because it provides protection for sensitive and
critical equipment.
When more than
one shielded isolation transformer is installed
between the source and the load, this is
referred to as "cascading" and vastly
improves power quality.
Most all of
the Acme and TEMCo general purpose isolation transformers
250 VA and larger are shielded at no added cost
as a standard feature. Shielded TEMCo isolation
transformers have an "s" as the last
digit of the part number.
All of the
transformers that we carry provide quiet
reliable long lasting operation. Call TEMCo
directly to get model and sizing info at
1-510-490-2187.
We have
experience manufacturing, selling and maintaining isolation
transformers over the years since 1968. All our
electrical products are made to the highest
quality standards and are backed by our industry
leading warrantees.
Call
for your Isolation Transformer Quote
Call
today!
1-510-490-2187 (US and International)
or
1-800-613-2290 (US Only)
