KO 128
HOLE SIZE
SPECIFICATIONS
FEATURES & BENEFITS
Zinc alloy die cast housing and cylinder, chrome plated
11 Blade criss cross tumblers.
Reversible, double bitted keys
Ratings:
Contact Resistance:
Insulation Resistance:
Dielectric Strength:
4A @ 125 VAC
2A @ 250 VAC
20 mΩ max. initial @ 2-4 VDC, 100 mA
1,500 V rms @ sea level
200 MΩ min.
Part
Number
KO128A
KO128B
KO128E
KO128F
KO128G
KO128H
Lock Configuration
(as viewed from key end)
1
2
1
2
1
2
1
2
1
2
1
2
Connected Terminals
Pos. 1 Pos. 2 Pos. 3 Pos. 4
OFF
OFF
OFF
OFF
OFF
OFF
1-2
1-2
1-2
1-2
1-2
1-2
Key Pull
Possible
Pos. 1
Pos. 1, Pos. 2
Pos. 1
Pos. 1
SLIDE
SWITCHES
CAP
OPTIONS
DETECTOR
SWITCHES
ROTARY
SWITCHES
KEYLOCK
SWITCHES
DIP
SWITCHES
SNAP-ACTION
SWITCHES
Pos. 1, Pos. 2
Pos. 1
ROCKER
SWITCHES
90 indexing
90 indexing
90 indexing
90 indexing
90 indexing
90 indexing
= Keypull Possible
= Detent Position
= Momentary
KO 129
FEATURES & BENEFITS
Lock: bright nickel plated zinc alloy with nickel facing
(black and polished chrome facing available)
Tumbler mechanism: 4-disc tumbler cylinder
Keys: brass with code no.
Contacts: silver plated copper alloy
Terminals: silver plated copper alloy
Mounting nut: nickel plated zinc alloy
Part
Number
KO129A (SP)
KO129B (SP)
KO129C (SP)
2
SPECIFICATIONS
Ratings:
Contact Resistance:
Insulation Resistance:
Dielectric Strength:
4A @ 125 VAC
2A @ 250 VAC
20 mΩ max. initial @ 2-4 VDC, 100 mA
200 MΩ min.
1,500 V rms @ sea level
Lock Configuration
(as viewed from key end)
2
3
4
1
3
5
Pos. 1
Connected Terminals
Pos. 2
Pos. 3
Pos. 4
7-8
8-1
7-1
1-2
1-2, 5-6
8-1
8-1, 4-5
8-1
7-8
7-8, 3-4
1-2
1-2, 5-6
7-8
7-8, 3-4
8-1, 4-5
8-1
8-1, 4-5
8-1
8-1, 4-5
8-1
8-1, 4-5
7-8
7-8, 3-4
1-2
1-2, 5-6
6-7
7-8
7-8, 3-4
1-2
1-2, 5-6
Pos. 5
1-3
Key Pull
Possible
Pos. 3, Pos. 5
Pos. 1, Pos. 3
Pos. 3
Pos. 3
Pos. 3
Pos. 3
Pos. 3
45 - 90 indexing
90 - 45 indexing
45 - 45 indexing
45 - 45 indexing
1-2
3
4
KO129D (DP)
KO129E (SP)
KO129F (DP)
KO129G (SP)
KO129H (DP)
KO129J (SP)
2
3
4
2
3
3
4
45 indexing
45 indexing
45 indexing
45 indexing
45 - 45 indexing
45 - 45 indexing
45 - 45 indexing
45 - 45 indexing
= Keypull Possible
KO129K (DP)
KO129L (SP)
KO129M (DP)
3
2
4
= Detent Position
= Momentary
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info
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TOGGLE
SWITCHES
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SWITCHES
NAVIGATION
SWITCHES
TACT
SWITCHES
227
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