Series A
Toggles
Process Sealed Subminiature Rockers
General
Specifications
B
Electrical Capacity (Resistive Load)
Logic Level:
0.4VA maximum @ 28V AC/DC maximum
(Applicable Range 0.1mA ~ 0.1A @ 20mV ~ 28V)
Note: Find additional explanation of operating range in Supplement section.
Programmable Illuminated PB
Pushbuttons
Rockers
Other Ratings
Contact Resistance:
Insulation Resistance:
Dielectric Strength:
Mechanical Life:
Keylocks
Electrical Life:
Nominal Operating Force:
Contact Timing:
Angle of Throw:
50 milliohms maximum
500 megohms minimum @ 500V DC
500V AC minimum for 1 minute minimum
100,000 operations minimum for On-None-On & On-Off-On
50,000 operations minimum for other circuits
50,000 operations minimum
2.73N (momentary); 1.84N (maintained)
Nonshorting (break-before-make)
26°
Materials & Finishes
Rotaries
Slides
Actuator or Toggle:
Case Housing:
Support Bracket:
Movable Contact:
Stationary Contacts:
Terminals:
Nickel plated brass
Glass fiber reinforced polyamide
Tin plated phosphor bronze
Phosphor bronze with gold plating
Brass with gold plating
Brass with gold plating
Tactiles
Environmental Data
Operating Temperature Range:
Humidity:
Vibration:
Shock:
–30°C through +85°C (–22°F through +185°F)
90 ~ 95% humidity for 240 hours @ 40°C (104°F)
10 ~ 55Hz with peak-to-peak amplitude of 1.5mm traversing the frequency range & returning
in 1 minute; 3 right angled directions for 2 hours
50G (490m/s
2
) acceleration (tested in 6 right angled directions, with 5 shocks in each direction)
Tilt
Installation
Touch
Cap Installation Force:
39.23N (8.82 lbf) maximum downward force on actuator
PCB Processing
Indicators
Soldering:
Cleaning:
Wave Soldering Recommended: See Profile A in Supplement section.
Manual Soldering: See Profile B in Supplement section.
Automated cleaning. See Cleaning specifications in Supplement section.
Accessories
Standards & Certifications
The A Series rockers have not been tested for UL recognition or CSA certification.
These switches are designed for use in a low-voltage, low-current, logic-level circuit.
When used as intended in a logic-level circuit, the results do not produce hazardous energy.
Supplement
B4
www.nkk.com
Process Sealed Subminiature Rockers
Series A
Toggles
Distinctive
Characteristics
Subminiature size saves space on PC boards.
Specifically developed for logic-level
applications.
Totally sealed body construction
prevents contact contamination
and allows time- and money-
saving automated soldering
and cleaning.
Award-winning STC contact
mechanism with benefits
unavailable in conventional
mechanisms: smoother, positive
detent actuation, increased contact
stability and unparalleled logic-level
reliability. (Additional STC details in
Terms & Acronyms; see Supplement
section.)
Molded-in, epoxy sealed or ultrasonically
welded terminals lock out flux, solvents,
and other contaminants.
.100” x .100” (2.54mm x 2.54mm)
terminal spacing conforms to standard PC
board grid spacing.
Matching indicators available.
Actual Size
B
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B5
Supplement
Accessories
Indicators
Touch
Tilt
Tactiles
Slides
Rotaries
Keylocks
Programmable Illuminated PB
Pushbuttons
Rockers
Series A
Toggles
Process Sealed Subminiature Rockers
TYPICAL SWITCH ORDERING EXAMPLE
Rockers
B
A
Poles
1
2
SPDT
DPDT
SP3T
2
2
K1
P
B
B1
H
Straight
H
PC Terminals
Straight with Bracket
Straight with Inline Bracket
(Single Pole only)
Right Angle with Bracket
Vertical with Bracket
Vertical with Inline Bracket
(Single Pole only)
D
A
Programmable Illuminated PB
Pushbuttons
Circuits
2
3
5
R
8
9
S
ON
ON
ON
(ON)
(ON)
ON
(ON)
ON
(ON)
ON
NONE
OFF
NONE
NONE
OFF
OFF
OFF
ON
ON
ON
ON
ON
(ON)
ON
(ON)
(ON)
ON
ON
(ON)
(ON)
* K1
K
V
V1
Keylocks
Actuators
Snap Top for Rocker
Code C
Snap Top for Rockers
Codes D & E
C
D
E
Rockers
.260” (6.6mm) Wide (K only)
.250” (6.35mm) Wide (K1 only)
.300” (7.6mm) Wide (K1 only)
Rotaries
*
4
*
6
*
7
*Available
in Americas only
Slides
( ) = Momentary
Colors
Rocker C
A
B
C
E
Rockers D & E
Black
White
Red
Yellow
Green
Blue
Gray
A
B
C
––
––
––
––
*
3-ON circuits
Tactiles
Tilt
F
G
H
Touch
DESCRIPTION FOR TYPICAL ORDERING EXAMPLE
A22K1H-DA
Indicators
K1 Snap Top Actuator
Black .250” (6.35mm)
Wide Rocker
DPDT
ON-NONE-ON Circuit
Right Angle PC Terminals
Supplement
Accessories
B6
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Process Sealed Subminiature Rockers
POLES & CIRCUITS
Rocker Position
( ) = Momentary
Up
Pole
Model
Slot
Slot
Series A
Throw & Schematics
Toggles
Center
Down
Up
Center
Down
Note:
Terminal numbers are
not actually on the switch.
B
SP
2-3
OPEN
2-1
SPDT
3
2 (COM)
1
DP
A22
A23
A25
A2R
A28
A29
A2S
ON
ON
ON
(ON)
(ON)
ON
(ON)
NONE
OFF
NONE
NONE
OFF
OFF
OFF
ON
ON
(ON)
ON
(ON)
(ON)
ON
2-3 5-6
OPEN
2-1 5-4
DPDT
3
1
6
4
For 3 Throw (3-On)
Connected Terminals & Schematics
External Connection
Pole
Model
A24
A26
A27
Up
ON
(ON)
ON
External
Connection
2 (in)
5
Center
ON
ON
ON
External
Connection
2 (in)
5
Down
ON
(ON)
(ON)
External
Connection
2 (in)
5
SP
The SP3T
model
utilizes a
double
pole base.
External
connections
must be made
during field
installation.
(out)
Common
(in)
1
2
3
4
5
6
(out)
(out)
1 (out)
3 4 (out) 6 (out)
1 (out)
3 4 (out) 6 (out)
1 (out)
3 4 (out) 6 (out)
2-3 5-6
2-3 5-4
2-1 5-4
K
For Rocker AT469
(5.0)
.197
26°
(2.5)
.098
For Rockers AT062
and AT066
(4.24)
.167
26°
(2.5)
.098
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B7
Supplement
Accessories
Snap Top
K1
Snap Top
Indicators
ACTUATORS
Touch
Tilt
External
Conn
Tactiles
Slides
Rotaries
Keylocks
2
(COM)
5
Programmable Illuminated PB
A12
A13
A15
A1R
A18
A19
A1S
ON
ON
ON
(ON)
(ON)
ON
(ON)
NONE
OFF
NONE
NONE
OFF
OFF
OFF
ON
ON
(ON)
ON
(ON)
(ON)
ON
Pushbuttons
Rockers
Connected Terminals
Series A
Toggles
Process Sealed Subminiature Rockers
PC TERMINALS
Use of a support bracket is recommended to increase PCB mounting strength and stability.
Rockers
B
P
Straight
B
Straight with Bracket
(10.16)
.400
(5.08)
.200
(5.08)
.200
(0.3) Typ
.012
B1
Straight with Inline Bracket
Single Pole only
(10.16)
.400
(2.54) Typ
.100
(0.6) Dia Typ
.024
(0.7) Typ
.028
(1.0)
.039
C
L
Pushbuttons
(5.08) Typ
.200
(0.8)
.031
(2.54) Typ
.100
(0.6) Dia Typ
.024
(2.54) Typ
.100
(0.6) Dia Typ
.024
(0.7) Typ
.028
(2.54)
.100
(0.3) Typ
.012
Programmable Illuminated PB
(9.0)
.354
(8.8)
.346
(9.0)
.354
(8.8)
.346
(9.0)
.354
(5.08)
.200
H
Right Angle
with Bracket
(2.54) Typ
.100
(2.54) Typ
.100 (0.6) Dia Typ
.024
V
Vertical with Bracket
(5.08)
.200
(0.6) Dia Typ
.024
(0.5) Typ
.020
V1
Vertical with Inline Bracket
Single Pole only
(0.6) Dia Typ
.024
(0.5) Typ
.020
(2.54) Typ
.100
(5.08)
.200
(0.3)
.012
Keylocks
(5.08)
.200 (0.3)
.012 (0.7)
.028
(0.5)
.020
(8.8)
.346
(9.0)
.354
(2.54) Typ
.100
(5.08)
.200
(0.3)
.012
(0.7)
.028
(9.0)
.354
(8.8)
.346
(0.7)
.028
(9.0)
.354
C
L
(1.0)
.039
(5.08)
.200
Rotaries
ROCKERS & COLORS
C
AT469
.260” (6.6mm) Wide Rocker
(12.9)
.508
(4.5)
.177
(19.0)
.748
26°
(13.4)
.528
(6.6)
.260
(20.1)
.790
(7.9)
.310
(8.2) (10.2)
.323 .402
Slides
Antirotational
Material: Polyamide
Colors Available:
A, B, C, E, F, G, H
Tactiles
D
AT062
.250” (6.35mm) Wide Rocker
(11.5)
.452
Antirotational
Material: Polyamide
Colors Available:
A, B, C
(14.73)
.580
(11.4)
.448
26°
Tilt
(6.35)
.250
(15.24)
.600
+.020
-.000
(7.1)
.280
+.020
-.000
Touch
(4.5)
.177
(7.0) (8.8)
.276 .346
Indicators
E
AT066
.300” (7.6mm) Wide Rocker
(11.5)
.452
Accessories
Antirotational
Material: Polyamide
Colors Available:
A, B, C
(15.2)
.600
(11.4)
.448
26°
(7.6)
.300
(15.75)
.620
+.020
-.000
(8.9)
.350
(4.5)
.177
(7.0) (8.8)
.276 .346
Supplement
Color Codes:
A
Black
B
White
C
Red
E
Yellow
F
Green
G
Blue
H
Gray
B8
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