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Operating Mechanisms for Circuit Breakers
Door Mounted
schneider-electric.us
Class 9421 / Refer to Catalog 9420CT9701
8
OPERATING MECHANISMS AND
DISCONNECT SWITCHES
Dimensions for Type L Operating Mechanisms
Panel Drilling for PowerPact
TM
H and J Circuit Breaker
Operating Mechanisms: 9421LJ1, 9421LJ4, and 9421LJ7
Panel Drilling for PowerPact
TM
D and L Circuit Breaker
Operating Mechanisms: 9421LD1, 9421LD4, and 9421LD7
Panel Drilling for PowerPact
TM
M and P Circuit Breaker
Operating Mechanisms: 9421LW1, 9421LW4, and 9421LW7
Table 8.93: Shaft Cutting Dimensions
Class
Type
Shaft Length
Formula
H = Standard Shaft
H = Long Shaft
Min. Max. Min. Max.
9421
LJ1, LJ4, LJ7
L = H – 3.00 (76)
5.5
(138)
10.75
(273)
5.5
(138)
21.63
(543)
9421
LD1, LD4, LD7
L = H – 4.25 (108)
7.25
(184)
12.06
(306)
7.25
(184)
22.63
(575)
9421
LW1, LW4, LW7
L = H – 4.89 (124)
7.19
(183)
11.63
(295)
7.19
(183)
22.25
(565)