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IEC Style Disconnect Switches GS1 Fusible and LK3 Nonfusible,
UL98 Tested
schneider-electric.us
Class 9421 / Refer to Catalog 9421CT0301
15
OPERATING MECHANISMS AND
DISCONNECT SWITCHES
Accessories
GS1AD10 +
GS1AM110
GS1AD20 +
GS1AM110
GS1AD30 +
GS1AM110
Terminal Lugs
Terminal Shrouds
Shorting Links
Table 15.10: Auxiliary Contacts
Type Description Catalog No.
For Compact LK3 / GS1
U = Upper or
Top mounted
Standard products allow up to 4 auxiliary contacts without any extra
contact holders. Contact holder (for 5 to 8 auxiliary contacts)
GS1AD10
10 A 1 N.O. Contact Block GS1AM110
600 Vac 1 N.C. Contact Block GS1AM101
For LK3 60–200 A, GS1 30–400 A
U = Upper or
Top mounted
Contact holder required (for 1 to 8 upper auxiliary contacts)
GS1AD20
10 A 1 N.O. Contact Block GS1AM110
600 Vac 1 N.C. Contact Block GS1AM101
S = Side mounted [4]
1 N.O. & N.C. Contact Block (max of two blocks—any mix)
GS1AN11
2 N.O. & N.C. Contact Block (max of two blocks—any mix)
GS1AN22
S = Side mounted [4]
1 N.O. & N.C. Contact Block w/ Test (max of two blocks—any mix) GS1ANT11 [5]
2 N.O. & N.C. Contact Block w/ Test (max of two blocks—any mix) GS1ANT22 [5]
For LK3 400–1200 A
U = Upper or
Top mounted
Contact holder (for 1 to 4 auxiliary contacts)
LK3AD30
10 A 1 N.O. Contact Block GS1AM110
600 Vac 1 N.C. Contact Block GS1AM101
For GS1 600–800 A
Micro-switch
(top mounted)
1 N.O./N.C. Contact
GS1AMU3 [5]
2 N.O./N.C. Contact
GS1AMU4 [5]
Table 15.11: Terminal Lugs
For Use On
Wire Size
(AWG)
No. of Wires
per Lug
Wire Type
Lugs
per Kit
Catalog No.
Compact GS1/LK3
14–10 1 Cu — Standard
GS1 30 A CC 14–10 1 Cu — Standard
GS1 30 A J 14–10 1 Cu — Standard
GS1/LK3 60 A J 10–3 1 Cu — Standard
LK3 100 A 14–2/0 1 Cu — Standard
GS1 100 A 14–2/0 1 Cu/Al 6 GS1AW303
GS1/LK3 200 A 6–3/0 1 Cu/Al 6 GS1AW403
GS1/LK3 400–600 A [6]
2 x 2–2 x 600 2 Cu/Al 6 GS1AW503
GS1/LK3 800 A / LK3 1000 A [6]
3 x 2–3 x 600 3 Cu/Al 6
GS1AW803 [5]
LK3 1250 A [6]
4 x 2–4 x 600 2 Cu/Al 12 GS1AW903
Table 15.12: Terminal Shrouds
For Use On
Catalog No.
For Line or Load Side [7]
Compact GS1/LK3
Standard
All GS1/LK3 30 A Standard
All GS1/LK3 60 A Standard
LK3 100 A Standard
GS1 100 A [8]
GS1AP33
GS1/LK3 200 A [8]
GS1AP43
GS1 400 A GS1AP63
LK3 400–600 A LK3AP63
GS1 600–800 A GS1AP83
LK3 800–1250 A LK3AP83
Table 15.13: Shorting Links
For Use On
Shorting Links
per Kit
Catalog No.
GS1 60 A
3
GS1AU203
GS1 100 A GS1AU303
GS1 200 A GS1AU403
GS1 400 A GS1AU503
GS1 600–800 A GS1AU803
Table 15.14: Shaft Padlocking Kit
For Use On
Catalog No.
Compact GS1/LK3
Standard
LK3 60–200 A
GS1 30–400 A
LK3 400–1250 A
[4] A GS1AN•• contact block may not be used on the same switch as a GS1ANT••. A single switch must use all GS1AN11/GS1AN22 contact blocks or all GS1ANT11/GS1ANT22 contact
blocks.
[5] Obsolete.
[6] GS1 600–800 A and LK3 800–1250 A can receive 1 lug for 3 cables per terminal or 2 lugs for 2 cables per terminal.
[7] All GS1 and LK3 switches are provided with line side shrouding.
[8] Three-piece kit for either the line or load side.