SUPERIOR ELECTRIC COMPANY

:®

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