LK series
Keylock Switches
Distinctive features and specifications
LK_U1807US
Single and double pole options
Up to four positions
Momentary and maintained switching
Multiple key pull position options
45° or 90° indexing
ELECTRICAL SPECIFICATIONS
GENERAL SPECIFICATIONS
• Contact rating : 4A at 125 VAC or 28VDC, 2A at 250 VAC
• Contact resistance : ≤ 10 mΩ
• Insulation resistance : ≥109 MΩ
• Dielectric strength : 1000 V RMS minimum at sea level
• Electrical life : 6000 cycles at full load
• Mechanical life : 6000 cycles at full load.
• Operating temperature range : -30°C to +85°C
AGENCY APPROVALS
MATERIALS
• Lock housing : Zinc alloy die casted, nickel plated
• Cylinder : 4 disc tumbler, zinc alloy die casted, nickel plated
• Keys : 2 single bitted keys, brass nickel plated
• Contacts & terminals : Gold plated copper alloy
• Body : Glass filled polyester
File E83438
Dimensions : first dimensions are in mm while inches are shown in brackets.
Refer to the following pages for further information.
Mounting accessories : Standard hardware supplied : 1 nut.
For spare keys please contact APEM.
Packaging unit : 25
The company reserves the right to change specifications without notice.
APEM
www.apem.com
1
LK series
Keylock Switches
Overview
LK
126
B
SERIES
Function
6 Maintained
5 Momentary
Finish
Key type
Key options
Hardware
N Nickel plated
G Black
126 Std
N Nickel Key (std)
M Overmoulded
3 Nut (std)
4 Clip
Indexing
Lock
Maintained No of
function Poles Configuration
A
SP
B (std)
DP
C
SP
D (std)
DP
E
SP
F (std)
DP
G
SP
H (std)
DP
7
SP
J (std)
DP
N
SP
8 (std)
DP
P
SP
Q (std)
DP
R
SP
S (std)
DP
1
2
45°
3
1
2
45°
3
1
2
45°
3
1
3
2
1
3
2
45°
45°
1
90°
2
1
90°
2
1
90°
2
Terminals Connected
Pos. 1
Pos. 2 Pos. 3 Pos. 4
8-1
1-2
2-3
8-1, 4-5
1-2, 5-6
2-3, 6-7
8-1
1-2
2-3
8-1, 4-5
1-2, 5-6
2-3, 6-7
8-1
1-2
2-3
8-1, 4-5
1-2, 5-6
2-3, 6-7
8-1
1-2
7-8
8-1, 4-5
1-2, 5-6
7-8, 3-4
8-1
1-2
7-8
8-1, 4-5
1-2, 5-6
7-8, 3-4
8-1
1-3
8-1, 4-5
1-3, 5-7
8-1
1-3
8-1, 4-5
1-3, 5-7
8-1
1-3
8-1, 4-5
1-3, 5-7
8-1
1-2
Key Pull
Position
1
3
1&3
1
1, 2 & 3
1
2
1&2
1
2
9
DP
3
45°
2-3
3-4
1, 2, 3 & 4
4
Momentary No of
Indexing
Lock
function Poles Configuration
A (std)
SP
B
DP
E (std)
SP
F
DP
G
SP
Terminals Connected
Pos. 1
Pos. 2 Pos. 3 Pos. 4
1
2
45°
1
2
3
1
2
45°
45°/90°
8-1
1-2
8-1, 4-5
1-2, 5-6
8-1
1-2
8-1, 4-5
Key Pull
Position
1-2, 5-6
1
7-8
7-8, 3-4
7-1
1-2
6-7
8-1
1-2
7-8
8-1, 4-5
1-2, 5-6
7-8, 3-4
1
1&3
3
2
7 (std)
SP
J
DP
1
3
2
45°
www.apem.com
1
Key pull position
Detent positions
Momentary positions
APEM
LK series
Keylock Switches
Panel cut-out Ø19 (0.755)
MODEL
STRUCTURE
+
• 2, 3 and 4 position configuration
• Maintained and momentary functions
• Standard and overmoulded key
• Nut or clip fixing
Recomended Panel Layout
19
0.75
Standard Key
Standard Nut
22
0 .87
Terminals
19
0.75 P1.0
42
1.65
5.250
0.21
4.300
0.17
16.203
0.64
Maintained
22.3°
16
0 .63
2.030
0 .08
90°
0.510
0.02
12.500
0.49
5.25
0.207
15.596
0.61
6.500
0.26
21.996
0.87
12.497
0.49
9.800
0.39
16
0.63
Momentary
22.3°
2.030
0 .08
90°
5.250
0 .21
15.596
0.61
6.500
0.26
21.996
0.87
OPTIONS
0.510
0.02
12.500
0.49
12.500
0.49
9.800
0.39
16
0.63
5
0.20
+
Overmoulded Key
Clip
22
0 .87
27
1.06
13.200
0.52
0.600
0 .02
7.600
0 .30
4.200
0 .17
23.800
0 .94
42.800
1.69
30
1.18
25
0.98
19.397
0.76
15.800
0.62
APEM
www.apem.com
20.500
0 .81
16.300
0.64
3.100
0 .12
2.500
0 .10
3
Mouser Electronics
Authorized Distributor
Click to View Pricing, Inventory, Delivery & Lifecycle Information:
Apem:
LK6RGB126M3 LK68GB126M3 LK6NGB126M3 LK6SGB126M3 LK6BGB126M3 LK6EGB126M3 LK68NB126N3
LK6QNB126N3 LK6NNB606N3 LK57GB126M3 LK57NB126N3 LK5AGB126M3 LK5ANB126N3 LK5BGB126M3
LK5BNB126N3 LK6PNB126N3 LK6QGB126M3 LK6RNB126N3 LK6SNB126N3 LK6HGB126M3 LK6HNB126N3
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LK69NB126N3 LK5EGB126M3 LK5ENB126N3 LK5FGB126M3 LK5FNB126N3 LK5GGB126M3 LK5GNB126N3
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