LK Series Datasheet by APEM Inc.

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DUN—Dn— a“ US @@E
APEM www.apem.com 1
LK series
Keylock Switches
Distinctivefeatures andspecifications
ELECTRICAL SPECIFICATIONS GENERAL SPECIFICATIONS
MATERIALS AGENCY APPROVALS
The company reserves the right to change specifications without notice.
LK_U1807US
Single and double pole options
Up to four positions
Momentary and maintained switching
Multiple key pull position options
45° or 90° indexing
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
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
File E83438
Mechanical life : 6000 cycles at full load.
Operating temperature range : -30°C to +85°C
Dimensions : first dimensions are in mm while inches are shown in brackets.
Mounting accessories : Standard hardware supplied :1nut.
For spare keys please contact APEM.
Packaging unit : 25
Refer to the following pages for further information.
2 APEMwww.apem.com
LK series
Keylock Switches
Overview
Key type
SERIES FinishFunction
N Nickel plated
G Black
126 Std
Hardware
3 Nut (std)
4 Clip
6 Maintained
5 Momentary
No of
Poles
No of
Poles
Lock
Configuration
Lock
Configuration
Indexing
Indexing
Key Pull
Position
Key Pull
Position
Key options
N Nickel Key (std)
M Overmoulded
BLK
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
9 DP
G SP
A (std) SP
B DP
E (std) SP
F DP
7 (std) SP
J DP
45°
45°
45°
45°
45°
45°
45°
45°
45°
45°/90°
1
1
1
1
1
1
1
1
1
1
1
1
1
Pos. 1 Pos. 2 Pos. 3 Pos. 4
Terminals Connected
Pos. 1 Pos. 2 Pos. 3 Pos. 4
Terminals Connected
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 1-2 2-3 3-4
8-1 1-2 7-8
8-1, 4-5 1-2, 5-6 2-3, 6-7
8-1, 4-5 1-2, 5-6 7-8, 3-4
8-1 1-2 7-8
8-1 1-3
8-1 1-3
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 1-2 7-8
7-1 1-2 6-7
8-1, 4-5 1-2, 5-6 7-8, 3-4
8-1, 4-5 1-3, 5-7
8-1, 4-5 1-3, 5-7
8-1 1-3
8-1, 4-5 1-3, 5-7
8-1 1-2
8-1, 4-5 1-2, 5-6
2
2
2
2
2
2
2
2
2
2
2
2
3
3
3
3
3
1
3
1 & 3
1 & 3
1 & 2
1
1
1
1
1
2
1, 2 & 3
1, 2, 3 & 4
Maintained
function
Momentary
function
90°
90°
90°
3
3
3
32
4
126
Key pull position
Detent positions
Momentary positions
APEM www.apem.com 3
LK series
Keylock Switches
MODEL
STRUCTURE
OPTIONS
Panel cut-out Ø19 (0.755)
+
Maintained
Momentary
Terminals
2, 3 and 4 position configuration
Maintained and momentary functions
Standard and overmoulded key
Nut or clip fixing
+
Recomended Panel Layout
Standard Key Standard Nut
Overmoulded Key Clip
6.500
.26
12.500
.49
5
9.800
.39
5.250
.21
000
0
.20
0
6.500
.26
12.497
.49
9.800
.39
5.25
.207
16
.63
0
0
0
0
0
21.996
.87
15.596
.61
0
0
21.996
.87
15.596
.61
0
0
42
1.65
22
.87
19
.75 P1.0
4.300
.17
0
0
0
5.250
.21
0
19
.75
16.203
.64
0
0
22.3°
16
.63
12.500
.49
0
0
90°
0.510
.02
2.030
.08
0
0
22.3°
16
.63
12.500
.49
0
0
90°
0.510
.02
2.030
.08
0
0
0
27
1.06
13.200
.52
16.300
.64
30
1.18
19.397
.76
15.800
.62
25
.98
0.600
.02
7.600
.30
20.500
.81
2.500
.10
3.100
.12
0
0
0
0
0
0
0
0
0
42.800
1.69
23.800
.94
22
.87
4.200
.17
0
0
0

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