40752-021(1)Effective 3/02
J-Frame Circuit Breaker
Instruction Leaflet for Thermal Magnetic Breakers and Motor Circuit Protectors
OFF
1
2
W W
W W
W
arningarning
arningarning
arning
DO NOT DO NOT
DO NOT DO NOT
DO NOT
AA
AA
A
TTEMPT TTTEMPT T
TTEMPT TTTEMPT T
TTEMPT T
O INSTO INST
O INSTO INST
O INST
ALLALL
ALLALL
ALL
OR OR
OR OR
OR
PERFORM MAINTENANCE ONPERFORM MAINTENANCE ON
PERFORM MAINTENANCE ONPERFORM MAINTENANCE ON
PERFORM MAINTENANCE ON
EQUIPMENT WHILE IT IS ENER-EQUIPMENT WHILE IT IS ENER-
EQUIPMENT WHILE IT IS ENER-EQUIPMENT WHILE IT IS ENER-
EQUIPMENT WHILE IT IS ENER-
GIZED. DEAGIZED. DEA
GIZED. DEAGIZED. DEA
GIZED. DEA
TH OR SEVERE PER-TH OR SEVERE PER-
TH OR SEVERE PER-TH OR SEVERE PER-
TH OR SEVERE PER-
SONALSONAL
SONALSONAL
SONAL
INJUR INJUR
INJUR INJUR
INJUR
YY
YY
Y
CAN RESUL CAN RESUL
CAN RESUL CAN RESUL
CAN RESUL
T FROMT FROM
T FROMT FROM
T FROM
CONTCONT
CONTCONT
CONT
ACT WITH ENERGIZED EQUIP-ACT WITH ENERGIZED EQUIP-
ACT WITH ENERGIZED EQUIP-ACT WITH ENERGIZED EQUIP-
ACT WITH ENERGIZED EQUIP-
MENTMENT
MENTMENT
MENT
. .
. .
.
ALAL
ALAL
AL
WW
WW
W
AA
AA
A
YS VERIFYYS VERIFY
YS VERIFYYS VERIFY
YS VERIFY
THA THA
THA THA
THA
T NOT NO
T NOT NO
T NO
VOLVOL
VOLVOL
VOL
TT
TT
T
AGE IS PRESENT BEFOREAGE IS PRESENT BEFORE
AGE IS PRESENT BEFOREAGE IS PRESENT BEFORE
AGE IS PRESENT BEFORE
PROCEEDING.PROCEEDING.
PROCEEDING.PROCEEDING.
PROCEEDING.
1.25 (31.8mm)
0.625 (15.9)
R 0.188
(4.8mm)
0.281
(7.1mm)
Breaker Handle
Breaker Handle
Line
Load
Line
C
C
L
L
0.5 (12.7mm)
2.00
(50.8mm )
1.016
(25.8mm )
2.047
(52m m)
2.078
(52.8mm )
5.375 (136.5mm)
(4 Pole)
4
(101.6mm )
(3 Pole)
Bul. 140U
Load
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