Step 2 – install the breaker operating mechanism – GE Industrial Solutions Record Plus Cable Operating Mechanism: FC100, FE250 User Manual

Page 3

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Step 2 – Install the Breaker

Operating Mechanism


36-Inch Cable (SC3L) 48-Inch Cable (SC4L)

This procedure is illustrated in Figure 2, Figure 3,

and Figure 4a and 4b.

Enclosure

Depth, in.

E F G E F G

1.

In coordination with the intended location of the

handle operating mechanism, select the

mounting location for the breaker.

13.5

(343)

4.0

(102)

15.0

(381)

25.5

(648)

16.0

(406)

27.0

(686)

8

Figure 2

illustrates the zone in which the breaker can be

mounted to meet the cable-bending requirement

and

13.0

(330)

5.0

(127)

14.8

(376)

25.0

(635)

17.0

(432)

26.8

(681)

10

12.8

(325)

6.0

(152)

14.5

(368)

24.8

(630)

17.0

(432)

26.5

(673)

12

Table 5 lists the maximum dimensions for

various enclosure depths, mounting locations,

and cable lengths. To determine maximum

mounting dimensions for 60-inch through 120-

inch-long operating cables, add the respective

additional lengths to the 48-inch cable maximum

dimensions. (For example, add 12 inches to E, F,

and G dimensions for a 60-inch cable length.)

When the cable is installed, the minimum

permissible cable bend radius is 3 inches. This

requirement must be met to ensure a safe

operating environment.

10.5

(267)

4.5

(114)

14.2

(361)

22.5

(572)

16.5

(419)

26.2

(665)

16

8.5

(216)

3.5

(89)

12.6

(320)

20.5

(521)

15.5

(394)

24.6

(625)

18

2.

Drill and tap the mounting holes for the breaker

according to the pattern shown in Figure 3. The

dimensions and hole sizes are listed in Table 6.

3.

Mount the breaker to the enclosure using the

four screws [2] (as per table 1) supplied with the

breaker operating mechanism and tighten the

screws to torque given as per Table 8.

4.

Place the breaker operating mechanism [1] over

the breaker, with the breaker operating handle

extending through the slot in the mechanism

slider, as shown in Figure 4a and 4b. Secure the

mechanism to the breaker with the four screws

[3] supplied (as per Table 1). Tighten the screws

to torque given as per Table 8. These screws

mount into the tapped holes in the heads of the

breaker mounting screws [2] installed in the

previous step.

Figure 2. Circuit breaker mounting zone dimensions.

20 —

0.5

(13)

10.0

(254)

22.0

(559)

15.0

(381)

24.0

(610)

24 —

19.5

(495)

14.0

(356)

22.0

(559)

Table 5. Maximum lengths in inches (mm) for dimensions

illustrated in Figure 2.

Dimension, in. (mm)

Breaker

Frame

A B C D

Mounting

Screw

1.0

(25.4)

4.98

(126.5)

0.69

(17.5)

6.36

(161.5)

FC100

#8-32

1.38

(35.0)

4.94

(125.5)

0.87

(22.0)

6.69

(170.0)

FE250

#10-32

1.77

(45.0)

7.87

(198.1)

1.22

(31.0)

10.31

(261.9)

FG600

#12-24

Table 6. Dimensions for breaker mounting hole pattern,

shown in Figure 3.

Figure 3. Breaker mounting hole pattern.

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