New Products
Contact No. 230
YB2 Series
Half-Mirrored Pushbuttons
2014/04/24
Series YB2
Panel Seal Pushbuttons
Distinctive
Characteristics
Innovative new caps with the look of classic, elegant stainless steel
when nonilluminated, and LED color or legends when illuminated.
Designed for custom legend inserts vibrantly displayed with multiple
choices of LED colors.
Antistatic properties and enhanced durability against environmental
concerns such as ultraviolet rays.
24mm square and 25mm diameter pushbuttons with the shortest above-
panel dimension (1.8mm) in the industry for splashproof design.
Meets IP65 of IEC60529 standards (similar to NEMA 4 and 13),
providing dust tight and splashproof panel seal protection.
Tamper resistant 18mm square and 19mm diameter actuators.
Short body of .965” (24.5mm) conserves behind-panel space.
Distinctive long stroke and light touch actuation for clear indication
of circuit status.
Available in momentary and alternate action with latchdown.
Crisp actuation and clear circuit status provided by snap-action
contact mechanism. Arc barrier protects against crossover.
Actual Size (Round)
CAPS & CAP COLORS
AT3017 Cap for Illuminated or
Nonilluminated
AT3018 Cap for Illuminated
AT3025 Cap for Illuminated or
Nonilluminated
HB
Unbrushed Chrome/White
(19.0) Dia
.748
HB
Unbrushed Chrome/White
(19.0) Dia
.748
HB
Unbrushed Chrome/White
(18.0) Sq
.709
(13.1)
.516
(4.9)
.193
(4.9)
.193
(13.1)
.516
(13.1)
.516
(4.9)
.193
For Bright LEDs:
AT628, AT634 & AT636
For Super Bright LEDs:
AT625, AT631 & AT632
For Bright & Super Bright LEDs: AT628,
AT634, AT636, AT625, AT631 & AT632
Material for Lens & Diffuser: Polycarbonate
2
Material for Lens: ABS Resin & Unbrushed Chrome Plating
www.nkk.com
Panel Seal Pushbuttons
TYPICAL SWITCH ORDERING EXAMPLE
Series YB2
6 B
HB
YB2 1 5 C W C K W 01
Poles
1
2
SPDT
DPDT
Circuits
5
6
ON
ON
(ON)
ON
LED Colors
5C
Red
5D
Amber
5F
Green
( ) = Momentary
Alternate Action
with Latchdown
LEDS
Bright LED
Resistor
No Resistor
No
(not for
Code
Green)
05
12
24
5-volt
12-volt
24-volt
JB
JS
CB
EB
FB
HB
Cap Types & Colors
Lens/Diffuser Colors
Clear/White
Metallic Silver Cap/
Clear Ring (Round only)
Red/White
Yellow/White
Green/White
Unbrushed Chrome/White
Contact Point
C
Normally Open &
Normally Closed
Panel Seal
W
With Panel Seal
LED & cap need to be the same color.
Yellow cap pairs with amber LED to achieve
amber illumination. Codes JB & JS (Round
only) may be combined with all LED colors.
Super Bright LED
6B
6F
6G
White
Green
Blue
JB
JS
HB
Lens/Diffuser Cap Colors
Clear/White
Metallic Silver Cap/Clear Ring
(Round only)
Unbrushed Chrome/White
Cap Color
JB
CB
EB
FB
HB
P
Clear/White
Red/White
Yellow/White
Green/White
Unbrushed Chrome/White
Brushed Chrome
Shape
C
S
Round
Square
Bezel
K
P
Black
Brushed Chrome
N
Nonilluminated
No Lamp
Contact Materials
& Ratings
Silver
W
Rated 3A @ 125V AC
Gold
G
Rated 0.4VA maximum @
28V AC/DC maximum
DESCRIPTION FOR TYPICAL ORDERING EXAMPLE
YB215CWCKW01-6B-HB
White, Super Bright LED
Unbrushed Chrome LED Cap with
Clear Lens & White Diffuser
With Panel Seal
Silver Contacts with
3 Amp Rating
Terminals
Solder Lug/.110”
01
(2.8mm) Quick Connect
Important:
Switches are supplied without cULus
marking unless specified.
cULus recognized only
when ordered with marking on the switch.
Black Bezel
Round Black Housing
SPDT ON-(ON) Circuit
Solder Lug/.110” (2.8mm)
Quick Connect Terminals
www.nkk.com
3
Series YB2
TYPICAL SWITCH DIMENSIONS
M16 P1
(1.3)
.051
(1.2) x (2.0) Typ
.047 x .079
(0.5) Typ
.020
NO
Panel Seal Pushbuttons
Single Pole
(3.7)
.146
Double Pole
(3.7)
.146
NO
3
2
1
NC
NO
3
2
1
NC
6
5
4
NO
(9.7)
.382
(2.8) Typ
.110
L
- +
COM
-+
COM
L
(9.7)
.382
(19.0) Dia
.748
(25.0) Dia
.984
(1.8)
.071
(7.3)
.288
(33.6)
1.323
(7.3)
.288
(5.55)
.219
(3.0)
.118
(6.0)
.236
(11.1)
.437
YB215CWCKW01-6B-HB
Single Pole
M16 P1
(1.3)
.051
(1.2) x (2.0) Typ
.047 x .079
(0.5) Typ
.020
NC
Double Pole
(3.7)
.146
(3.7)
.146
NC
(9.7)
.382
(2.8) Typ
.110
COM
COM
(9.7)
.382
(18.0) Sq
.709
(24.0) Sq
.945
(1.8)
.071
(7.3)
.288
(33.6)
1.323
(7.3)
.288
(5.55)
.219
(3.0)
.118
(6.0)
.236
(11.1)
.437
YB215CWSKW01-N-HB
LEGENDS
Suggested Printable Area for Film Inserts
(1.2)
–0.1
Typ
.047
+0.1
(0.6) R Typ
.024
(0.5) R
.020
ON
(15.88)
.625
(17.4)
–0.1
.685
+0.08
(14.78)
.582
(16.3)
–0.0
.642
+0.1
ON
(14.88) Sq
.586
(16.4)
–0.1
Sq
.646
+0.0
Recommended Method:
Screen Print; Epoxy based ink is recommended
Film Material and Thickness:
Clear Polyester, 4 mil max.
(0.76) Typ
.030
(0.76) Typ
.030
Shaded areas are printable areas.
Depending on the design and the color of ink used, the legend
may be visible when it is not illuminated. It is recommended
that the legend be clear and without ink in order to achieve
the maximum visibility when the cap is illuminated.
Without
Illumination
With
Illumination
Effective Date
March 27, 2014
http://www.nkk.com E-mail: nkkswitches@nkkswitches.co.jp
715-1 Unane, Takatsu-ku, Kawasaki-shi, 213-8553 Japan
2014/04/28 Engineering Department
4
www.nkk.com
TEL: +81 44 813 8008 FAX: +81 44 813 8038
