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UL 98 IEC Style Disconnect Switches LK4 Nonfusible and GS2 Fusible
Disconnect Switches
schneider-electric.us
Refer to Catalog 9421CT0301
8
OPERATING MECHANISMS AND
DISCONNECT SWITCHES
LK4 and GS2 Disconnect Switches
Table 8.59: Building a Complete GS or LK Switch
To build a complete GS or LK switch, order the following parts:
Choose a Switch
+
Shaft
+
Handle Assembly
+
Lugs if needed
600 A, LK4SU3N Shaft 320 mm, GS2AE6 Black Handle, GS2AH150 Lugs Kit, GS1AW503
Example:
LK4SU3N (600 A non-fusible switch) + GS2AE6 (320 mm Style D shaft) + GS2AH150 (black/black, locking)
To add auxiliary contacts:
For front-mounted contacts order LK4AD30N (front-mounted auxiliary contact holder) + GS2AM110.
LK4 Nonfusible Disconnect Switches
100–400 A
30–100 A Compact
NOTE: The kit also includes rod LK4AE41CN.
NOTE: Switches in the shaded area are now available as kits. See Table 8.61.
Table 8.60: LK Nonfusible IEC Style Disconnect Switches
Pole
Rating
(A)
Catalog No.
Maximum Horsepower Rating
Short Circuit Current
Rating, 600 Vac
Shaft
Style
240 V 480 V 600 V 250 Vdc Fuse SCCR kA
NOTE: Switches in the shaded area are now available as kits.
3 30
LK4DU3CN
[1]
10 20 30 — J 100 AL
3 60
LK4GU3CN
[1]
20 40 50 — J 100 AL
3 100
LK4JU3CN [1]
20 50 50 N/A J 100 AL
3 100 LK4JU3N 30 75 100 15 J 200 B
3 200 LK4MU3N 75 150 200 15 J 200 B
3 400
LK4QU3N
125 250 350 50 J 200 B
3 600 LK4SU3N 200 400 350 50 J 200 D
3 800 LK4TU3N 200 500 500 — L 100 D
3 1000 LK4UU3N 200 500 500 — L 100 D
3 1200 LK4WU3N 200 500 500 — L 100 D
Table 8.61: Kits for Compact Switches LK4: 30, 60 and 100 A
Rating
(A)
Kit Catalog
Number
Pieces Included [2]
Compact
Switch
400 mm
Shaft
Handle Color /
NEMA Rating
Handle Guide Cone
30 A
LK4DUKB1 LK4DU3CN LK4AE41CN
Black /
NEMA 1, 12, 3R
LK4AH0110CN GS2AEH12
LK4DUKB4 LK4DU3CN LK4AE41CN
Black /
NEMA 4, 4X
LK4AH0410CN GS2AEH12
LK4DUKR1 LK4DU3CN LK4AE41CN
Red /
NEMA 1, 12, 3R
LK4AH0120CN GS2AEH12
LK4DUKR4 LK4DU3CN LK4AE41CN
Red /
NEMA 4, 4X
LK4AH0420CN GS2AEH12
60 A
LK4GUKB1 LK4GU3CN LK4AE41CN
Black /
NEMA 1, 12, 3R
LK4AH0110CN GS2AEH12
LK4GUKB4 LK4GU3CN LK4AE41CN
Black /
NEMA 4, 4X
LK4AH0410CN GS2AEH12
LK4GUKR1 LK4GU3CN LK4AE41CN
Red /
NEMA 1, 12, 3R
LK4AH0120CN GS2AEH12
LK4GUKR4 LK4GU3CN LK4AE41CN
Red /
NEMA 4, 4X
LK4AH0420CN GS2AEH12
100 A
LK4JUKB1 LK4JU3CN LK4AE41CN
Black /
NEMA 1, 12, 3R
LK4AH0110CN GS2AEH12
LK4JUKB4 LK4JU3CN LK4AE41CN
Black /
NEMA 4, 4X
LK4AH0410CN GS2AEH12
LK4JUKR1 LK4JU3CN LK4AE41CN
Red /
NEMA 1, 12, 3R
LK4AH0120CN GS2AEH12
LK4JUKR4 LK4JU3CN LK4AE41CN
Red /
NEMA 4, 4X
LK4AH0420CN GS2AEH12
[1] No longer sold as components. Purchase Kits containing Switch, Handle, Shaft, and Guide Cone as listed in Table 8.61.
[2] Components are NOT sold separately. Only 400 mm shaft can be purchase separately.