Electrical box logic (ver 3.0) – Chamberlain door opener User Manual
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For replacement of electrical box, motor or brake components be sure to match model number of your unit to kit number below to
ensure proper voltage requirements.
SERVICE KITS
ITEM PART
#
DESCRIPTION
K1
K72-10047
Limit shaft kit (1/2 up to 2HP)
K72-10047-1 Limit shaft kit (3HP)
Complete with: Limit shaft, limit nuts,
limit bearings, limit sprocket,
interrupter cup, shim washers,
compression ring, roll pin, and
e-rings.
K2
K72-12515-1
Limit switch kit
Complete with: Limit nut retainer,
switch plates, backup plate, depress
plates, limit switches, standoffs,
screws, and locknuts.
* To order a complete electrical box kit, add a K- prefix to the
model number of your operator. For example:
GH5011L3 (Operator) = K-GH5011L3 (Electrical box kit)
INDIVIDUAL PARTS
ITEM PART
#
DESCRIPTION
1 13-10024
Limit
nut
2 23-10041
Limit
switch
3 K75-32268
Cover
4 21-14182
Transformer,
115/230V
21-35057
Transformer,
460V
21-5575 Transformer,
575V
5
29-31244
Relay 24Vdc DPST - (A and B relay)
all
operators
6
29-31245
Relay 12Vdc SPDT - (C and D relay)
3 Phase only
29-31229
Relay 24Vdc SPDT - (C relay)
1 Phase only
7 K74-31243
MOV
580V
8
K79-15016-1 RPM sensor assembly
9
K1A5729
Logic board - Logic 3
10 K2A761 Coaxial
cable
11 K1C3196-3
Antenna
*Non stocked item. Please allow additional delivery time.
E L E C T R I C A L B O X L O G I C ( V E R 3 . 0 )