221-B

Single Unit

Two and Three Gang Units

View from

Base End

201-3

100/200 Series

INPUT

OUTPUT

TERMINAL CONNECTIONS

CONSTANT

CONSTANT

SHAFT

(For increasing Voltage)

PART NO.

WIRING

VOLTS

HERTZ

VOLTS

CURRENT

IMPEDANCE

ROTATION

As Viewed from Base End

SCHE-

NET

LOAD

LOAD

FOR

MATIC

WT.

MAX

MAX

MAX

MAX

VOLTAGE

Input

Jumper•

Output

(Pg 8 & 9)

LBS.

AMPS

KVA

AMPS

KVA

INCREASE

Single

50/60

0-120

3.0

0.36

3.5

0.42

CW

1-2

—

1-3

291

Phase

120

CCW

1-2

—

2-3

1

2 1/2

60

0-132

3.0

0.40

—

—

CW

1-4

—

1-3

Single

50/60

0-240

3.0

0.72

3.5

0.84

CW

2-2

1-1

3-3

Phase

240

CCW

1-1

2-2

3-3

1 & 4

5 1/2

Series

60

0-264

3.0

0.79

—

—

CW

4-4

1-1

3-3

291-2

Three

50/60

0-120

3.0

0.62

3.5

0.73

CW

2-1-2

1-1

3-1-3

Phase

120++

CCW

1-2-1

2-2

3-2-3

1 & 5

5 1/2

Open

60

0-132

3.0

0.69

—

—

CW

4-1-4

1-1

3-1-3

Delta π

Three

CW

2-2-2

1-1-1

3-3-3

291-3

Phase

240++

60

0-240

3.0

1.25

3.5

1.45

CCW

1-1-1

2-2-2

3-3-3

1 & 6

8 1/4

Wye π

•

Jumper provided in the standard common position and should be moved or removed as required.

++ Line to line voltage

π

If ganged units are used in a system that ordinarily has a common neutral or ground between source and load, the neutral or ground must be connected to the com-

mon terminals of the variable transformer assembly. If the system has no neutral, the load must be balanced or the transformers will be damaged.

120V

240V

TYPE

B

171-2, 201-2

4.66” [118.3]

171-3, 201-3

7.38” [187.2]

221-B-2, 252-2

5.16” [131.0]

221-B-3, 252-3

8.12” [206.4]

291-2

5.59” [142.1]

291-3

8.81” [223.8]

TYPE

A

171, 201

1.88” [47.6]

221-B, 252

2.12” [54.0]

291

2.31” [58.7]