ACME ELECTRIC
•
MILWAUKEE, WI
•
800.334.5214
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acmetransformer.com
111
SECTION
AIR CONDITIONING, REFRIGERATION & APPLIANCE TRANSFORMERS
1.
Determine the value of incoming line supply voltage and
frequency (50 or 60 Hz).
2.
Find the appliance or load equipment voltage rating and
amperes from the nameplate or instruction sheet. Multiply
the two to obtain VA requirement of the load. If the power
requirements are listed only in watts, consider this the
same as VA. (Exception: electric discharge lighting such
as mercury vapor, fluorescent, etc. should always be
sized by volts x amps (VA). If only wattage ratings are
known, double this requirement to obtain VA ratings of
transformers needed).
3.
Add all VA requirements of equipment to obtain total
load. (All components must be of same voltage rating).
4.
Add 10% for high starting current and overloading to
obtain VA size of transformers.
5.
Select transformer from charts on following pages using
combination of supply voltage (primary), voltage rating of
equipment (secondary), load VA rating, and type of
connections desired.
Catalog # T160812
Selection Steps
Secondary Receptacle
6’ (1.8 M) Primary Cord
The transformers in this section will not cause harmonic
distortion to voltage or current wave shape.
All transformers in Group C are equipped with a SAFETY
grounding feature on both the input and output side.
Connection for ground may be made through lead wires or
through plug and receptacle combinations where installed.
All units are manufactured and tested in accordance with
National Electrical Manufacturers Association standards.
Some groups are equipped with primary voltage taps which
correct for voltage conditions constantly above or below the
nominal rating of the supply.
