Mil # Part # Radio Model
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K2 Part Number Code
K2X   X   X     X    X             X   X    X
Terminal Style/
Switch Rating		 Actuator
Color/Style		 Switch Action/Circuit
Position  Position  Position
Code "A" "B" "C" Circuit
Light Source Type Lens Color
Position 
"A"		  Position
"C"
Light Circuit Location Legend and Orientation**
A.
B.
C.
D.
E.
F.
 Q.C./Standard
Screw/Standard
Solder/Standard
Q.C./Low level
Screw/Low level
Solder/Low level
A.
B.
C.
D.
E.
F.
G.

H.

J.
 Red/Rocker
Black/Rocker
White/Rocker
Red/Paddle
Black/Paddle
White/Paddle
Red/Short/
Paddle Pinned
Black/Short/
Paddle Pinned
White/Short/
Paddle Pinned
For custom colors,
contact factory.
A.
B.
C.
D.
E.
F.
G.
H.
J.
K.
L.
M.
N.
P.
Q.
R.
S.
T.
U.
V.
 ON
ON
MOM-ON 
MOM-ON
MOM-ON
ON
MOM-ON
ON
ON
MOM-ON
MOM-ON
MOM-ON
ON
MOM-ON
ON
OFF
ON
OFF
ON
ON
 None
None
None
None
OFF
OFF
OFF
None
None
None
None
OFF
OFF
OFF
NONE
NONE
NONE
NONE
OFF
OFF
 OFF
ON
OFF
ON
MOM-ON 
ON
ON
OFF
ON
OFF
ON
MOM-ON
ON
ON
MOM-ON
MOM-ON
MOM-ON
MOM-ON
MOM-ON
MOM-ON
 SPST
SPDT
SPST
SPDT
SPDT
SPDT
SPDT
DPST
DPDT
DPST
DPDT
DPDT
DPDT
DPDT
SPDT
SPST
DPDT
DPST
SPDT
DPDT

A.
B.
C.
D.
E.
F.
G.
H.
J.
K.
L.
M.
N.
P.
Q.
R.
S.
T.		 No illumination
6V Incandescent
12V Incandescent
24V Incandescent
125VAC Neon
250VAC Neon
2V Red LED
2V Green LED
2V Amber LED
6V Red LED
6V Green LED
6V Amber LED
12V Red LED
12V Green LED
12V Amber LED
24V Red LED
24V Green LED
24V Amber LED
A. No Lens
B. Red
C. Green
D. Amber
E. Clear		 A. No Lens
B. Red
C. Green
D. Amber
E. Clear

All LEDs have clear or
same color lens.

All NEON have clear or
amber lens.
A. No light

B
Dependent Light
ON in position "A"
wired to terms 1&7

C
Dependent Light
ON in position "C"
wired to terms 2&8

D
Independent Light
at position "A"
wired to terms 7&8

E
Independent Light
at position "C"
wired to terms 7&8
  
F
Dependent LightOn
in position "A"
wired to terms 1&7

Dependent Light
ON in position "C"
wired to terms 2&8

G
Dependent Light
ON in position "A"
wired to terms 1&7

Independent Light
at position "C"
wired to terms 7&8		  
H
Independent Light
at position "A"
wired to terms 7&8

Dependent Light
ON in position "C"
wired to terms 2&8

J
Independent Light
ON in position "A"
wired to terms 3&7

Independent light
at position "C"
wired to terms 4&8
Not Available in DPDT

D = Dependent Light
I = Independent Light

NOTE: LED anode (+) terminal number shown in bold

**All Legends will be white except for actuator codes C, F, J, M
and R which will be black.
A. No Legend
Term/Rating
Code
Letter		      Base
Price
A-C $7.00
D-F $9.50
       
Act. Color
Code
Letter		      Adder
Price
A-C Included
D-F Included
G-J $1.75
       
Switch Action
Code
Letter		      Adder
Price
A-G Included
H-P $1.00
Q-R Included
S-T $1.00
U Included
V $1.00
       
Light Source
Code
Letter		      Adder
1 Light		      Adder
2 Lights
A ------- -------
B-D $2.25 $4.50
E-F $2.25 $4.50
G-J $2.75 $5.50
K-M $2.75 $5.50
N-Q $2.50 $5.00
R-T $2.50 $5.00
       
Lens Color
Code
Letter		      Adder
Price
A-E Included
       
Light Circuit
Code
Letter		      Adder
Price
A-J Included
       

Code
Letter		      Adder
Price
A Included
B-R $.50

Prices are subject to change without notice. Contact OTTO direct for applicable discount schedules.

NOTES
• No momentary switches with dependent lights
• Neon lamps only to be coded with clear or Amber lenses
• LED lenses must be clear or same color as LED
• No dependent light in OFF positions
• All legends will be white except for actuator codes C, F, J, M, and R will be black
OTTO 2 East Main Street Carpentersville, IL 60110
Phone: 847-428-7171 Control Product Fax: 847-428-1956
 Communications Product Fax: 847-551-1343 Email: info@ottoexcellence.com
© Copyright 2009 OTTO Engineering, Inc. Specifications subject to change