nVent HOFFMAN GEC Operator Adapter Instruction Manual
- June 13, 2024
- nVent HOFFMAN
Table of Contents
OPERATOR ADAPTER GEC
Installation Instructions for General Electric Flexible Cable Operating
Mechanisms (For parts list, see Page 2)
GEC Operator Adapter
For floor-mounted enclosures with the disconnect on the right flange
For one- through six-door free-standing enclosures with the disconnect the the right flange For floor-mounted enclosures with the disconnect on the centerpost
WARNING
The functions, fits and clearances of the installation described hereon are
calculated from information supplied by the manufacturers of the equipment to
be installed. Be certain to check the function, fits and clearances of all
equipment both before and after installation to assure that it operates
properly and safely and meets all applicable codes, standards and regulations.
In the event the completed installation does not function properly or fails to
meet any such codes, standards or regulations, do not attempt to make
alterations or operate the equipment. Report such facts immediately to:
Hoffman Customer Service
2100 Hoffman Way
Anoka, MN 55303
763.422.2211
http://hoffman.nvent.com/contact-us
Parts List
Operator Adapter, Catalog Number GEC, for General Electric Disconnects
| Item No. | Description | Part No. | Qty. |
|---|---|---|---|
| 1 | ADAPTER PLATE, CABLE OPERATOR | 27206002 | 1 |
| 2 | PLATE GASKET | 89109613 | 1 |
| 3 | SCREW, 1/4-20X1/2 PAN HEAD | 99401031 | 4 |
| 4 | SLIDE ARM | 26250001 | 1 |
| 5 | SHOULDER COLLAR | 26149001 | 1 |
| 6 | SCREW, 1/4-20X7/8, HEX HEAD | 99401030 | 1 |
| 7 | LOCKWASHER, 1/4 SPRING | 99401318 | 1 |
| 8 | WASHER, FLAT | 22101003 | 2 |
| 9 | LOCKWASHER, 1/4 INTERNAL TEETH | 99401300 | 2 |
| 10 | NUT, 1/4-20 HEX | 99401406 | 2 |
| 11 | DOOR CATCH | 23101002 | 1 |
| 12 | SCREW, 10-32X3/8 PAN HEAD | 99401007 | 2 |
| 13 | LOCKWASHER, #10 INTERNAL TEETH | 99401307 | 2 |
| 14 | NYLON WASHER | 26132003 | 4 |
| 15 | INSTALLATION INSTRUCTIONS | 89114664 | 1 |
INTRODUCTION
This installation instruction is for General Electric SCH cable operating
mechanisms. These mechanisms are for circuit breakers mounted in Hoffman
disconnect enclosures.
INSTALLATION STEPS
Step 1
Install operating plate (item1) and plate gasket (item 2) on the inside of the
enclosure, behind the rectangular opening provided.
Gasket side with PSA should be attached to the adapter plate. Secure in place
with four screws (item 3) and four nylon washers (item 14).
Step 2
Assemble the General Electric SCH operating handle and cable adapter to the
mounting plate which was installed in the enclosure in step 1. Omit cap screw
and lockwasher which fits into bottom hole of G.E. operating andle. Also omit
G.E. stiffening bracket
which is not required.
Step 3
Install the slide arm (item 4) over the interlock part of the G.E. operating
handle as shown. Note the the notch in the slide arm is positioned toward the
door opening. Place the smaller diameter end of the shoulder collar (item 5)
through the oval slot in
the slide arm. Install long cap screw (item 6) with lockwasher (item 7)
through shoulder collar into the bottom mounting hole of the G.E. operating
handle and tighten. The slide arm should move up and down smoothly. Install
G.E. interlock blade per G.E.
instructions.
Step 4
Attach the bottom of the slide arm (item 4) to the offset arm of the lock
release mechanism. Use two flat washer (item 8), two lockwashers (item 9), and
two hex nuts (item 10). Do not tighten until parts are adjusted (see step 5B).
Step 5
The handle safety lock release mechanism is adjustable.
(A) Check the adjustment of the factory installed roller bracket on enclosures
with disconnect on right flange. The door latch should hit against the latch
stop portion of the roller bracket when the door is closed and latched. Adjust
up or down if necessary. The attached mechanism will then provide the
necessary up−down motion required to operate the release mechanism.
(B) Adjust the length of the slide arm assembly. With proper adjustment of the
slide arm, the safety lock (on G.E. handle operator) should release just
before the master door is fully latched. Lengthen slide arm if safety lock
releases too soon.
Shorten slide arm if safety lock releases too late.
Step 6
Attach the door catch (item 11), provided by Hoffman, to the tapped spacer on
the door using the bottom set of mounting holes. Use two screws (item 12) and
lockwashers (item 13). The door catch prevents the door from being opened when
the G.E.
operating handle is in the “ON” position.
Step 7
Drill and tap holes in panel per General Electric instructions. See General
Electric instructions for locating holes within range of cable length being
used.
Step 8
Install panel in enclosure.
Step 9
Mount circuit breaker and cable operating mechanism on panel using General
Electric instructions and parts.
For Floor-Mounted, Two-Door Enclosures with Disconnect on Right Flange
For Floor-Mounted, Two-Door Enclosures with Disconnect on Centerpost
For One- Through Six-Door, Free-Standing Enclosures with Disconnect on Right
Flange
- PARTS OF RELEASE MECHANISM ON ENCLOSURE WITH DISCONNECT ON RIGHT FLANGE
© 2018 Hoffman Enclosures Inc.
PH 763 422 2211
nVent.com/HOFFMAN
89115503
References
Read User Manual Online (PDF format)
Read User Manual Online (PDF format) >>