:®
Variable Transformers
POWERSTAT
• ••for heavy
duty applications
As the leader in its field. The Superior Electric Company offers the widest selection of variable a-c voltage con trol apparatus. Standard POWERSTATS are available in ratings from 150 to 160,000 volt-amperes. For heavy duty requirements, POWERSTATS in gangs of 6, 8, 9, 12, 15, 18 or more provide the same fast accurate adjust ments to fractions of a volt as the smallest rated unit. For more information on POWERSTATS
Generally, heavy duty POWERSTATS are motordriven for effortless control from remote "raise-lower" switches or positioner stations. Standard heavy duty POWERSTATS are supplied for single or three phase; 120, 240 or 480 volt service with current ratings up to 400 amperes.
for heavy duty applications, use the coupon below.
THE S U P E R I O R
Be sure to see Superior Eleclric's MOBILE DISPLAY w h e n it is in your a r e a .
E L E C T R I C
COMPANY
1001 MIDDLE STREET, BRISTOL, CONNECTICUT
Offices: Los Angeles, California · San Francisco, California · Toronto, Ontario, Canada · Miami, Florida · Chicago, Illinois Baltimore, Maryland · Detroit, Michigan New York, New York · Cleveland, Ohio Dallas, Texas · Seattle, Washington
Please send your POWERSTAT Bulletin P856G Have your representative call Π Name. . . . Company. Street City
Zone.
.State.
For further information, circle number 25 A on Readers' Service Card, page 73 A
VOL. 29, NO. 1, JANUARY 1957
• 25 A
