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6
MERCURY SWITCH TO MICROSWITCH RETROFIT KIT KA349WE INSTALLATION INSTRUCTIONS
MN280022EN October 2015
Install microswitch SW2
The microswitch previously removed from SW1 position is
installed in the SW2 position as switch SW2.
1. Attach leads from one end of kit’s longer cable (Item 8)
to the two outer switch terminals marked COMMON
and CLOSED (Figure 12).
Figure 12. Switch SW2 mounted with cable routed
through mounting plate.
2. Pull cable through hole in mounting plate (Item 7)
(Figure 12).
3. Attach switch SW2 to new mounting plate (Figures
12 and 13). Use the hardware removed from original
switch SW2 to attach switch through plate’s oblong and
small middle holes (Figure 13). Do not tighten hardware
at this time. Leave switch slightly loose for future
adjustment.
Figure 13. Kit mounting plate for switch SW2.
4. Place cable over spacer near cable hole, then securely
tighten assembly to frame. Use the two smaller
spacers (Item 4), machine screws (Item 5), and self-
locking elastic stop nuts (Item 6) to attach mounting
plate to frame (Figure 15). Tighten stop nuts to a torque
value of 16-18 in-lbs.
otee:
N
Some models of reclosers require new holes drilled
before attaching the mounting plate. Refer to Figure
15 for correct positioning of mounting plate.
Figure 14. Mounting switch SW2 assembly to frame.
Figure 1. Correct placement of switch mounting plate.
otee:
N
Measurements shown in mm (inch). Measurements
are approximate to the nearest mm (.25”).
COMMON
CLOSED
OPEN
Pass-through
hole for cable
Mounting plate
Cable
Switch
Holes for attaching switch SW2
Cable pass-through hole
Frame-mounting holes
Machine
screw
Cable
SW2 Switch
Mounting Plate
Spacer
Frame
Stop nut.
Torque to
16-18 in-lbs
108 (4.25)
86
(3.5)
102
(4)
137
(5.5)
10
(.5)
38 (1.5)
67 (2.5)
114 (4.5)
25 (1)
76 (3)
Correct location of holes for
switch mounting plate.