For Square D™ Circuit Breakers
Class 9421 / Refer to Catalog 9420CT9701
Type L Circuit Breaker Mechanisms
Electrical Interlock Kits—Class 9999 [1]
|
Description |
Class |
Type |
|---|---|---|
|
Single-Pole, Double-Throw |
9999 |
|
|
Double-Pole, Double-Throw |
9999 |
Type L door-mounted, variable-depth operating mechanisms feature heavy duty, all metal construction with trip indication. All 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” handle accepts one padlock.) Complete kits are rated for NEMA Type 1, 3R, and 12 enclosures. They include a handle assembly, operating mechanism, and shaft assembly.
Complete Kits
|
For Use With Circuit Breakers |
Operating Mechanism |
Operating Mechanism |
||||||
|---|---|---|---|---|---|---|---|---|
|
Standard Shaft Kit |
Long Shaft Kit |
Long Shaft Kit |
||||||
|
Circuit Breaker or Interrupter Type |
No. of |
Frame Size |
Type |
Mounting Depth [2] |
Type |
Mounting
Depth [2] |
Type |
Mounting
Depth [2] |
|
GJL |
3 |
75, 100 |
5-1/2 to 10-1/4 |
5-1/2 to 20-7/8 |
5-1/2 to 20-7/8 |
|||
|
FAL, FCL, FHL |
2–3 |
100 |
5-1/2 to 10-7/16 |
5-1/2 to 21 |
5-1/2 to 21 |
|||
|
KAL, KCL, KHL |
2–3 |
250 |
6-1/4 to 11-3/16 |
6-1/4 to 21-3/4 |
6-1/4 to 21-3/4 |
|||
|
2–3 |
400 |
6-5/16 to 10-7/8 |
6-5/16 to 21-1/2 |
5-1/2 to 21-3/8 |
||||
|
MEL, MXL |
2–3 |
800 |
7-3/16 to 11-5/8 |
7-3/16 to 22-1/4 |
Not recommended. |
|||
|
MAL, MHL |
2–3 |
1200 |
7-3/16 to 11-5/8 |
7-3/16 to 22-1/4 |
||||
|
NAL, NCL, NEL, NXL |
2–3 |
1200 |
8-1/4 to 12-3/4 |
8-1/4 to 23-3/8 |
||||
|
NSF |
2–3 |
250 |
5.50–10.75 |
5.50–21.38 |
5.50–21.38 |
|||
|
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. |
|||
Component Parts
|
Use With |
Handle Assemblies |
Operating Mechanism |
Standard Shaft |
Long Shaft |
|||||
|---|---|---|---|---|---|---|---|---|---|
|
3 in. |
Standard |
||||||||
|
Circuit Breaker or Interrupter Type |
No. of |
Frame Size |
Type |
Type |
Type |
Mounting Depth [2] |
Type |
Mounting Depth [2] |
Type |
|
GJL |
3 |
75, 100 |
5-1/2 to 10-7/16 |
5-1/2 to 21 |
|||||
|
FAL, FCL, FHL |
2–3 |
100 |
5-1/2 to 10-7/16 |
5-1/2 to 21 |
|||||
|
KAL, KCL, KHL |
2–3 |
250 |
6-1/4 to 11-3/16 |
6-1/4 to 21-3/4 |
|||||
|
2–3 |
400 |
Not recommended |
6-5/16 to 10-7/8 |
6-5/16 to 21-1/2 |
|||||
|
MEL, MXL |
2–3 |
800 |
7-3/16 to 11-5/8 |
7-3/16 to 22-1/4 |
|||||
|
MAL, MHL |
2–3 |
1200 |
7-3/16 to 11-5/8 |
7-3/16 to 22-1/4 |
|||||
|
NAL, NCL, NEL, NXL |
2–3 |
1200 |
8-1/4 to 12-3/4 |
8-1/4 to 23-3/8 |
|||||
|
NSF |
2–3 |
250 |
5.50–10.25 |
5.50–21.38 |
|||||
NEMA Type 4 and 4X Handle Assemblies [6]
|
Use With |
Standard Handle Assemblies |
3 in. Handle Version |
||||
|---|---|---|---|---|---|---|
|
Circuit Breaker or Interrupter Type |
No. of |
Frame Size |
NEMA 1, 3R, 4, 12 |
NEMA 1, 3R, 4, 4X,
12 |
NEMA 1, 3R, 4, 12 (Painted) |
NEMA 1, 3R, 4, 4X, 12 (Chrome Plated) |
|
Type |
Type |
Type |
Type |
|||
|
GJL |
3 |
75 |
||||
|
FAL, FCL, FHL |
2–3 |
100 |
||||
|
KAL, KCL, KHL |
2–3 |
250 |
||||
|
LAL, LHL, Q4L |
2–3 |
400 |
Not recommended |
|||
|
MEL, MXL |
2–3 |
800 |
||||
|
MAL, MHL |
2–3 |
1000 |
||||
|
NAL, NCL, NEL, NXL |
2–3 |
1200 |
||||
IEC Style Operating Mechanisms
|
Circuit Breaker or Interrupter Type |
Handle |
Operating Mechanism |
Extension Shafts |
|||
|---|---|---|---|---|---|---|
|
Mounting Depth |
Type |
|||||
|
Color |
Type |
Type |
Min. |
Max. |
||
|
GJL |
Red/Yellow |
6-1/8 |
10-3/4 |
|||
|
Black |
6-1/8 |
17-7/8 |
||||
 Operating Mechanism |
Operating Mechanism |
3 in. Handle |
Standard Handle |