Door Mounted
Class 9421 / Refer to Catalog 9420CT9701
Type L Circuit Breaker Mechanisms
9421 Type L |
Type L door-mounted, variable depth operating mechanisms feature heavy duty, all metal construction with trip indication. All mechanisms can be padlocked in the Off position when the enclosure door is open. Further, the handle assemblies can be locked Off with up to three padlocks, which also locks the enclosure when the door is closed. (The 3 in. handle accepts one padlock.) Complete kits are rated for NEMA 1, 3R, and 12 enclosures. They include a handle assembly, operating mechanism, and shaft assembly.
Complete Kits
|
Complete Kit |
Includes Operating Mechanism and Handle |
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|---|---|---|---|---|---|---|---|---|
|
Use With |
Standard 6 in. Handle |
Short 3 in. Handle |
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|
Standard Shaft Kit |
Long Shaft Kit |
Long Shaft Kit |
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|
Circuit Breaker
or |
No. of |
Frame |
Cat. No. |
Mounting |
Cat. No. |
Mounting |
Cat. No. |
Mounting |
|
PowerPacT™ B |
2–3 |
125 |
5.50–10.75 |
5.50–21.38 |
5.50–21.38 |
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|
PowerPacT
H |
2–3 |
250 |
5.50–10.75 |
5.50–21.38 |
5.50–21.38 |
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|
PowerPacT D |
2–3 |
600 |
7.25–12.06 |
7.25–22.63 |
3 in. handles are not recommended for use with these circuit breakers. |
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| 4 | 1200 (300 V) |
7.25–12.06 |
— |
— |
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|
— |
— |
7.25–12.06 | ||||||
|
PowerPacT M |
3 |
1200 |
9.00–12.50 |
9.00–23.50 |
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Component Parts
|
Use With |
3 in. Handle |
Standard Handle |
Operating Mechansm |
Standard Shaft |
Long Shaft |
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|---|---|---|---|---|---|---|---|---|---|
|
Circuit Breaker or Interrupter Type |
No. of Poles |
Frame Size (A) |
Cat. No. |
Cat. No. |
Cat. No. |
Mounting Depth [1] |
Cat. No. |
Mounting Depth [1] |
Cat. No. |
|
PowerPacT B |
2–3 |
125 |
5.50–10.75 |
5.50–21.38 |
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|
PowerPacT H and J |
2–3 |
250 |
5.50–10.25 |
5.50–21.38 |
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|
PowerPacT D and L |
2–3 |
600 |
7.25–12.06 |
7.25–22.63 |
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|
4 |
1200 (300 V) |
— |
— |
7.25–12.06 |
— |
— |
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|
— |
— |
— |
7.25–22.63 |
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|
— |
— |
— |
— |
— |
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|
PowerPacT M and P [2] |
3 |
1200 |
7.19–11.63 |
7.19–22.25 |
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NEMA 4 and 4X Handle Assemblies
|
Use With |
Standard Handle Assemblies |
Special 3 in. Version |
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|---|---|---|---|---|---|---|
|
Circuit Breaker
or |
No. of |
Frame |
NEMA 1, 3R, 4, 12 |
NEMA 1, 3R, 4, 4X,
12 |
NEMA 1, 3R, 4, 12 |
NEMA 1, 3R, 4, 4X,
12 |
|
Cat. No. |
Cat. No. |
Cat. No. |
Cat. No. |
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|
PowerPacT B |
2–3 |
125 |
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|
PowerPacT H and J; NSF |
2–3 |
250 |
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|
PowerPacT D and L |
2–3 |
600 |
3 in. handles are not recommended for use with these circuit breakers. |
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|
PowerPacT M and P |
3 |
1200 |
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3 in. Handle Assembly |
Standard Handle Assembly |
 Handle Mechanisms |
|
Auxiliary and Alarm Switches for PowerPacTTM Circuit Breakers
|
Description |
B-Frame |
H- and J-Frame |
D- and L-Frame |
D- and L-Frame |
|---|---|---|---|---|
|
1 Auxiliary Switch 1a 1b |
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|
2 Auxiliary Switch 2a 2b |
— |
2 x S29450 |
2 x S29450 |
2 x S29450 |
|
3 Auxiliary Switch 3a 3b |
— |
— |
3 x S29450 |
3 x S29450 |
note
The location of the accessory in the circuit breaker determines its function.
Dimensions for Type L Operating Mechanisms
|
Panel Drilling for PowerPacTTM H and J Circuit Breaker Operating Mechanisms: 9421LJ1, 9421LJ4, and 9421LJ7 |
Panel Drilling for PowerPacTTM D and L Circuit Breaker Operating Mechanisms: 9421LD1, 9421LD4, and 9421LD7 |
|
Panel Drilling for PowerPacTTM M and P Circuit Breaker Operating Mechanisms: 9421LW1, 9421LW4, and 9421LW7 |
|
Shaft Cutting Dimensions
|
Class |
Type |
Shaft Length Formula |
H = Standard Shaft |
H = Long Shaft |
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|---|---|---|---|---|---|---|
|
Min. |
Max. |
Min. |
Max. |
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|
9421 |
LJ1, LJ4, LJ7 |
L = H – 3.00 (76) |
5.5 |
10.75 |
5.5 |
21.63 |
|
9421 |
LD1, LD4, LD7 |
L = H – 4.25 (108) |
7.25 |
12.06 |
7.25 |
22.63 |
|
9421 |
LW1, LW4, LW7 |
L = H – 4.89 (124) |
7.19 |
11.63 |
7.19 |
22.25 |