EC&M Crane Control Class 6121

Crane Control Class 6121 Application Data

APPROXIMATE NUMBER OF SEPARATELY MOUNTED STANDARD CLASS 6715 TAB-WELD ® RESISTOR SECTIONS FURNISHED WITH CLASS 6121 CONTROLLERS This tabulation is based on Square D resistor designs for use with Class 6121 controllers only. This tabulation is for typical drive loading and may vary for any specific application.

Hoist ▲

Bridge Or Trolley

Maximum HP Rating Single Motor (230V)

Without Armature Shunt

Continuous DutySlowdown Resistor ●

162-DL

172-DL

Teaser Field

162-P

172-P

5

5 4 3 3 3 4 5 6 6 8 8

5 4 3 3 4 6 7 8

3 2 2 1 1 1 1 1 1 2 2 2 2 2 2 2 2 4 4 5 7 8 8 8

1 1 1 2 2 2 3 3 3 4 4 4 4 5 6 6 6 9

1 1 2 2 3 3 3 4 4 5 6 6 6 7 7 9 9

1 1 1 2 3 4 4 5 5 6 6 7

7-1/2

CRANE CONTROL CLASS 6121

10

15 20 25 30 35 40 45 50 60 65 70 75

10

11 11 15 15 14 17 17 19 30 28 38 44 53 53 56 62 97

10

11 11 11 13 16 20 21 28 34 43 43 43 48 75

8

11 11 13 13

90

100 135 150 200 250 275 300 325 375 500

12

...

10 13 16 18 19 20 23 32

12 19 21 24 26 28 32 44

... ... ... ... ... ... ... ...

8

14

▲ Does not include YOUNGSTOWN ® power limit switch resistor. Refer to Class 6170. ● Does not include acceleration resistor. Standard Class 6715 Tab-Weld ® Resistor Section

25 635 26.5 673

6 152

0.75 19

0.75 19

2.5 64

11 279

6 152

0.38 10

2.13 54

2.5 64

(4) 3/8 DIA. MTG. HOLE

Dual Dimensions inches mm

Weight – 35 lbs (16 kg)

56

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