EC&M Crane Control Class 6140

Crane Control Class 6140 Frontline® Manual-Magnetic Disconnect Switches for DC Cranes

APPLICATION DATA

Disconnect Switch Selection When applied to cranes, the continuous ampere rating of the disconnect switch shall not be less than 50% of the combined short time ampere rating of all motors on the crane, nor less than 75% of the short time ampere rating of the motors applied for any single crane motion. Approximate Dimension and Weights

A

0.75

B MTG HOLES

19

G

D

H

FOR CONDUIT ENTRY TOP OR BOTTOM RECOMMEND AREA

E

J

5.0

F

127

L

C

MANUAL

OPERATOR

3.1

HANDLE

POWER TERMINALS INCOMING

79

K

+

-

- +

OPERATOR

CONTROL ERMINAL BOARD

C L

N

MTG. HOLES M

P

DOOR (*) SWING

S

T

-

+

N

- +

CRANE CONTROL CLASS 6140

OUTGOING POWER TERMINALS

Q

0.62 DIA. 16

MTG. HOLES

POWER

TERMINALS

RECOMMENDED AREA FOR CONDUIT ENTRY LEFT SIDE ONLY

R

Dual Dimensions inches

CONTINUOUS AMPERE RATING

NEMA SIZE

Weight lbs (kg)

A B C D E F G H J K L M N P P ●

Q R S T

27 686 30 762 33 838

25.5 648 28.5 724 31.5 800 43.5 1105 37.5 953

24 610 27 686 30 762

3.5 89 3.5 89 5 127 5 127 5 127

4.5 114 4.5 114 8 203 8 203 9 229

10 254 14 356 18 457 18 457 19 483

20.8 528 20.8 528 25.8 655 32 813 29.8 757

17 432 17 432 22 559 23.2 589 26 660

15 381 15 381 20 508 20 508 24 610

3 76 3 76

4.5 114 5.5 140 7.2 183 7.2 183 7.8 198

26 660 36 914

32.2 818 42.2 1072 48.2 1224 48.2 1224 60.2 1529

38 965

3 76 3 76

3.5 89 3.5 89

19 483 22 559 25 635 19 483 20 508

20.5 521 26.7 678 24.5 622 28 711 31 787

165 (75)

▲

4

150

5

300

50 1270 60 1524 60 1524 69 1753

235 (106.8) 405 (184.9) 480 (217.7) 740 (336.4)

▲

5A a

400

14 356 14 356 16 406

42 1067 42 1067 54 1372

14 356 14 356 16 406

7 178

▲

6

600

45 1143

42 1067

3.5 89

▲

6A a

800

39 991

36 914

27 686

10 254

8

1350

Center mounting holes not supplied.

▲

Height with fuses (Form F30)

●

a

Not a NEMA size/rating.

For dimensions of 1600 and 2700 A disconnect switches, consult factory.

75

© 2003 The Electric Controller & Mfg. Co., LLC All Rights Reserved

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