GE Industrial Solutions Spectra Series Fusible Switch Units H, K R User Manual

GEH5889 Installation Instructions R02
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Spectra Series™ Fusible Switch Units
200 Ampere Expansion Kit (H, K, and R Fuses)
WARNING: Danger of electrical shock or injury. Turn
Installing the Expansion Kit
1. Remove the switch. Loosen the rail latch screws and remove the s wi tch b y pu ll in g u p on the la tc h han dle s while pulling the device from the equipment, as shown in Figure 1.
2. Prepare the enclosure. Remove and discard the blank cover and the bottom insulator from the bottom of the device, as shown in Figure 2.
3. Install the straps. Install the connecting straps with the 10-32 x
3. Tighten the screws to 27–32 in-lb.
OFF power ahead of the panelboard or
1
/2" screws provided, as shown in Figure
. Do
Bottom
Insulator
Blank
Cover
Figure 2. Removing the blank cover and bottom insulator.
Rail Latch
Screw
Figure 1. Removing the switch from the equipment.
Latch
Handle
Strap
#10-32
Screw
Figure 3. Installing the connecting straps.
4. Install the kit. Remove and save the hex nuts from the studs and the red arc cover on the expansion switch, as shown in Figure 4. Install the expansion plate into the enclosure, positionin g the switch base over the connecting straps. Install 10-32 screws with washers into the connecting straps inside the switch base. Tighten the screws to 27–32 in-lb.
Replace the hex nuts back onto the plate stu ds and
tighten to 27–32 in-lb. Replace the red arc cover, as shown in Figure 5, and tighten the screws to 12–15 in-lb.
5. Install the load base. Install the load base into the enclosure, as shown in Figure 6. The position depends on the fuse type, as illustrated in Figure 5 and listed in Table 1. Tighten the mounting screws to 40–50 in-lb.
Position Fuse Type
1
2
H Fuse 240 V K Fuse 240 V R Fuse 240 V
H Fuse 600 V K Fuse 600 V R Fuse 600 V
Table 1. Position for the load base in the enclosure.
#10-32
Screw with
Washer
Figure 4. Installing the expansion plate into the enclosure.
Hex
Nuts
Red Arc
Cover
Arc
Cover
Load Base
Figure 6. Installing the load base.
6. Install the cover. Install 10-32 x mechanism shroud mounting holes, as shown in Figure 7. Position the new enclosure cover in place on the enclosure and secure with 10-32 x Tighten all screws to 27–32 in-lb. Reinstall the switch into the panelboard and secure the rail latch locking screws.
Enclosure
Cover
1
/4" screws into the
1
/4" screws.
Figure 5. Replacing the arc cover.
Position 1
Position 2
Mounting
Holes
Figure 7. Installing the cover on the enclosure.
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