ROTARY EXR DISCONNECT INSTALLATION
1
Link to video
THE INTENT & PURPOSE OF THE EXR ENCLOSURE IS:
engaged before the disconnect is restored.
NEMA 3R, 4 & 12
For installation of an EXR to a Free Standing
following tools will be required:
7/16”, 11/32”, &
PHILLIPS
WIRE CUTTERS
ADJUSTABLE
NEEDLE NOSE
SCE-EXR12-30T200
SCE-EXR18-400
1) Isolate the primary power supply.
2) Initiate appropriate PPE for entry.
3) Prevent unauthorized entry, disconnect power before entry, and
requiring the primary door latch or handle to be closed, latched, and
Provisions for Compact Fusible
Disconnect with Rotary handle
Disconnect 30 to 200 amps Allen-
Bradley 194R, Square D GS2,
Eaton/Bussmann R9, Siemens CFS
models and Socomec Fuserbloc
models. Provides protection from dirt,
dust, oil and water.
Provisions for Compact Fusible
Disconnect with Rotary handle 400+
amps Allen-Bradley 194R, Square D
GS2, Eaton/Bussmann R9, Siemens
CFS models and Socomec Fuserbloc
models. Provides protection from dirt,
dust, oil and water.
Enclosure (Disconnect Enclosure) the
SCREWDRIVER
PLIERS
3/8” WRENCH
WRENCH
XR-INSTMAN
ROTARY EXR DISCONNECT INSTALLATION
2
First drill the mounting pattern into the right side of
connect to the upper assembly and hold it in place.
Apply gasket to the left side of the EXR enclosure
the main enclosure.
- Link to cutouts
Next use the disconnect cover plate to line up
clearance hole drilling location for quarter turn.
Disconnect cover plate, quarter turn, and nuts will
outside the holes to ensure a proper seal.
Use 128550 master bolt pack to install EXR to the
main enclosure.
“Note keyway cutout on mounting provisions to
ease installation.”
XR-INSTMAN
ROTARY EXR DISCONNECT INSTALLATION
3
WITH THE EXR NOW INSTALLED ONTO THE MAIN ENCLOSURE, THE INTERLOCK CAN NOW BE INSTALLED
MECHANICAL INTERLOCK AND DEFEATER KIT INCLUDED
“ATTACH EXR ASSEMBLY”
Attach EXR assembly to stud on inside wall of EXR.
EXR ASSEMBLY
Detail C
Locked
Unlocked
EXR Assembly
Upper Assembly
Defeater Hook
Lower Assembly
Install Defeater cable and crimp to lock into place
as shown in “Detail C”
XR-INSTMAN
ROTARY EXR DISCONNECT INSTALLATION
4
UPPER ASSEMBLY
“ATTACH UPPER ASSEMBLY”
C above.
“ADJUST THE MDV TO YOUR FLANGE SIZE”
operating handle still in the “off” position, simply
LOWER ASSEMBLY
A
B
Using the PEMs from the disconnect cover
plate. Attach the EXR mechanical defeater
rod guide with keps nuts.
Insert quarter turn from outside of enclosure
with earth nut.
Attach EXR disconnect hook arm to quarter
turn.
Install cable and lock into place. Refer: Detail
A- 3.50 inch flange is found on freestanding enclosures
that are 3 doors and larger. Remove the 8-32 nuts,
position at the outer holes.
B- 3.00 inch flange is found on most freestanding
enclosures and is the preset location.
Install assembly 3 of the MDV kit with ¼-20 nut
on the stud adjacent to the door handle. Slide it
all the way to the flange and tighten.
Now adjust the MDV. With the disconnect
pull the cable down so that the defeater strike
is horizontal.
Then tighten the screw to lock in position.
(SHOWING DOOR COMPONENTS)
XR-INSTMAN
ROTARY EXR DISCONNECT INSTALLATION
5
- Cut Rod to length and Install.
- Install Disconnect according to Disconnect
Manufactures Installation Instructions.
- With the EXR assembly in the “on” position verify
the main enclosure door engages the hook and
prevents the door from opening.
XR-INSTMAN
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