Control_Flippingbook_October 2023

1-61

NEMA FULL VOLTAGE POWER DEVICES, CONTROL SECTION 1

— CR307, CR308, CR387 magnetic starters Nonreversing, combination, NEMA type 3R

400 horsepower maximum NEMA sizes 5-6 600 volts maximum 50/60 Hz

— CR307, CR308, CR387 NEMA type 3R NEMA size 5

Dimension A

Dimension B 30.51 (774.9)

Dimension C

Dimension D

Dimension E 22.41 (569.1)

Dimension F

54.22 (1377.2)

11.194 (284.33)

52.11 (1323.7)

51.07 (1297.2)

— CR307, CR308, CR387 NEMA type 1/3R/12 NEMA size 6

Dimension A

Dimension B

Dimension C 20.41 (518.5)

Dimension D

Dimension E

Dimension F

84.09 (2135.9)

35.80 (909.3)

77.25 (1962.2)

35.30 (896.6)

75.84 (1926.3)

— CR307, CR308, CR387 NEMA type 4X NEMA size 6

Dimension A

Dimension B 30.00 (762.0)

Dimension C 11.15 (283.3)

Dimension D

Dimension E

Dimension F

52.79 (1340.9)

51.63 (1311.3)

E1 - 16.00 (406.4) E2 - 24.00 (609.6)

48.61 (1234.7)

B

B

E

A

F

A

F

D

D

C

E

C

CR307, CR308, CR387 NEMA type 3R NEMA size 5

CR307, CR308, CR387 NEMA type 1/3R/12, type 4X NEMA size 6

Outlines, dimensions ( in.

mm ) and weights (for estimating only)