NT Series
NT (STEP BASE) 3-POSITION ORDER GUIDE
Pull-To-
Unlock Lever
(Add suffix to
Standard
Lever
Listing)***
Catalog Listing (Standard Lever)
Quick
Circuits Made with Toggle At:
No. of
poles
Keyway Position
Center Position
Opposite Keyway
Screw
Solder
Connect
1
1-2
OFF
2-3
2-3
L191
L192
1
2
1NT1-1
1NT1-5
11NT1-1
11NT1-5
1NT91-1
1NT91-5
ALL TYPES
1-2*
OFF
E, F, K, L,
M, N
1-2*
OFF
OFF
1-2
2-3*
L192
L191
L191
L192
L192
L191
L192
2
1
1
2
2
3
4
1NT1-7
11NT1-7
1NT91-7
E, L, N
NONE**
NONE**
NONE**
1-2*
2-3
1NT1-21 11NT1-21
1NT1-31 11NT1-31
1NT1-51 11NT1-51
1NT1-61 11NT1-61
1NT91-21 E, F, K, M
1NT91-31 E, F, K, M
2-3
1-2
2-3*
1NT91-51
1NT91-61
2NT91-1
2NT91-5
E
OFF
OFF
OFF
NONE**
2-3, 5-6
2-3, 5-6
E
2
1-2, 4-5
1-2, 4-5*
2NT1-1
2NT1-5
12NT1-1
12NT1-5
ALL TYPES
E, F, K, L,
M, N
1-2, 4-5*
NONE*
OFF
2-3, 5-6*
2-3, 5-6
2-3, 5-6
2-3, 5-6*
NONE**
2-3, 5-6
2-3, 5-6
2-3, 5-6
L192
L191
L191
L192
L192
L191
L191
L192
4
3
3
4
4
3
3
4
2NT1-7
12NT1-7
2NT91-7
E, L, N
OFF
2NT1-21 12NT1-21
2NT1-31 12NT1-31
2NT1-51 12NT1-51
2NT1-61 12NT1-61
2NT1-12 12NT1-12
2NT1-10 12NT1-10
2NT1-50 12NT1-50
2NT91-21 E, F, K, M
2NT91-31 E, F, K, M
NONE**
NONE**
1-2, 4-5*
1-2, 4-5
1-2, 4-5
1-2, 4-5*
1-2, 4-5
1-2, 4-5
OFF
2NT91-51
2NT91-61
E
E
2-3, 4-5
1-2, 5-6
1-2, 5-6
2NT91-12 ALL TYPES
2NT91-10 ALL TYPES
2NT91-50 E, F, K, L,
M, N
1-2, 4-5*
1-2, 5-6
OFF
2-3, 5-6*
L192
L191
4
5
2NT1-70 12NT1-70
2NT91-70 E, L, N
4
1-2, 4-5, 7-8,
10-11
2-3, 5-6, 8-9, 11-12
4NT1-1
4NT1-5
4NT1-7
14NT1-1
14NT1-5
14NT1-7
4NT91-1
4NT91-5
4NT91-7
ALL TYPES
1-2, 4-5, 7-8,
10-11*
OFF
OFF
OFF
2-3, 5-6, 8-9, 11-12
L192
L192
6
6
E, F, K, L,
M, N
1-2, 4-5, 7-8,
10-11*
2-3, 5-6, 8-9, 11-
12*
E, L, N
NONE*
2-3, 5-6, 8-9, 11-12
2-3, 5-6, 8-9, 11-12
L191
L191
5
5
4NT1-21 14NT1-21
4NT1-31 14NT1-31
4NT91-21 E, F, K, M
4NT91-31 E, F, K, M
NONE**
1-2, 4-5, 7-8,
10-11
NONE**
1-2, 4-5, 7-8,
10-11
2-3, 5-6, 8-9, 11-
12*
L192
L192
L191
L191
L192
L192
L192
6
6
5
5
6
6
6
4NT1-51 14NT1-51
4NT1-61 14NT1-61
4NT1-12 14NT1-12
4NT1-10 14NT1-10
4NT1-50 14NT1-50
4NT1-70 14NT1-70
4NT91-51
4NT91-61
E
E
1-2, 4-5, 7-8,
10-11*
OFF
NONE**
1-2, 4-5, 7-8,
10-11
2-3, 4-5, 7-8,
11-12
2-3, 5-6, 8-9, 11-12
2-3, 5-6, 8-9, 11-12
2-3, 5-6, 8-9, 11-12
4NT91-12 ALL TYPES
4NT91-10 ALL TYPES
1-2, 4-5, 7-8,
10-11
2-3, 4-5
1-2, 4-5, 7-8,
10-11*
2-3, 4-5, 7-8,
11-12
4NT91-50 E, F, K, L,
M, N
1-2, 4-5, 7-8,
10-11*
2-3, 4-5
2-3, 5-6, 8-9, 11-
12*
4NT91-70 E, L, N
1-2, 4-5, 7-8,
10-11*
2-3, 4-5, 7-8,
11-12
2-3, 5-6, 8-9, 11-
12*
4NT1-72
–
–
E, L, N
* These positions are momentary. All others are maintained.
** Toggle lever is blocked from these products. Toggle becomes 2-position, with center being one extreme position.
*** See page 17 for locking configurations.
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