Series UB
Low Profile Pushbuttons
General
Specifications
Electrical Capacity (Resistive Load)
Power Level (silver):
Logic Level (gold):
5A @ 125/250V AC or 5A @ 30V DC
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.
50 milliohms maximum for silver; 100 milliohms maximum for gold
200 megohms minimum @ 500V DC
1,000V AC minimum between contacts for 1 minute minimum;
1,500V AC minimum between contacts & case for 1 minute minimum
1,000,000 operations minimum for momentary;
200,000 operations minimum for alternate action
10,000 operations minimum for silver;
100,000 operations minimum for silver with resistive load of 3A @ 125V AC
200,000 operations minimum for gold
Single Pole: 1.9N for Square & 1.9N for Rectangular
Double Pole: 2.55N for Square & 3.1N for Rectangular
Break before make
Pretravel .067” (1.7mm); Overtravel .024” (0.6mm); Total Travel .091” (2.3mm)
Glass fiber reinforced polyamide (UL94V-0)
Stainless steel
Phosphor bronze
Silver alloy or copper with gold plating
Silver alloy or copper with gold plating
Phosphor bronze with silver or gold plating
Brass with silver plating
Glass fiber reinforced liquid crystal polymer (UL94V-0)
–25°C through +50°C (–13°F through +122°F) for Illuminated
–20°C through +70°C (–4°F through +158°F) for Nonilluminated
90 ~ 95% humidity for 96 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)
7.55N (1.70 lbf) maximum downward force on cap
Wave Soldering (PC version): See Profile A in Supplement section.
Manual Soldering: See Profile A in Supplement section.
These devices are not process sealed. Hand clean locally using alcohol based solution.
UL94V-0 housing/bezel & base
File No. E44145 - Recognized only when ordered with marking on switch.
Add “/U” or “/CUL” before dash in part number to order UL recognized switch.
UL recognized only when ordered switch body with cap assembled.
All single & double pole models recognized at 5A @ 125/250V AC or 0.014A @ 28V DC.
File No. 023535_0_000 - Certified only when ordered with marking on switch.
Add “/C” before dash in part number to order CSA certified switch.
All single & double pole models certified at 5A @ 125/250V AC or 5A @ 30V DC or
0.4VA maximum @ 28V AC/DC maximum.
Pushbuttons
Rockers
Toggles
Other Ratings
Programmable
Illuminated PB
D
Contact Resistance:
Insulation Resistance:
Dielectric Strength:
Mechanical Life:
Electrical Life:
Nominal Operating Force:
Contact Timing:
Travel:
Keylocks
Materials & Finishes
Rotaries
Housing/Bezel:
Snap-in Frame:
Movable Contactor:
Movable Contacts:
Stationary Contacts:
Switch Terminals:
Lamp Terminals:
Base:
Slides
Tactiles
Environmental Data
Operating Temperature Range:
Humidity:
Vibration:
Tilt
Shock:
Installation
Touch
Cap Installation Force:
Soldering Time & Temp:
Cleaning:
Indicators
Standards & Certifications
Flammability Standards:
UL:
Accessories
CSA:
Supplement
D80
www.nkkswitches.com
10/1/18
Low Profile Pushbuttons
Series UB
Toggles
Distinctive
Characteristics
Red/green and amber/blue bicolors with alternating standard or custom legends.
Super bright LED provides brilliant uniform illumination.
Bright or super bright LEDs (an integral part of the switch) of red,
amber, green, blue, or white, in full face or spot illumination
plus square or rectangular models.
Combination of PCB mountability and short body
allows use in compact applications.
D
Snap-acting contact mechanism provides
sensitive actuation with audible feedback;
quick-make, quick-break characteristic
limits arcing and prolongs electrical life.
Terminals are epoxy sealed to lock out flux, solvents, and
other contaminants.
Tilt
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D81
Supplement
Accessories
Indicators
Matching indicators available.
Actual Size
Touch
Momentary and alternate action circuits available in the same
space-saving body size.
Tactiles
Latchdown mechanism, independent of switching
mechanism, gives visible and tactile indication of
circuit status.
Slides
Rotaries
Keylocks
Small behind panel dimension for snap-in
mounting in tight spaces.
Programmable
Illuminated PB
Pushbuttons
Rockers
Series UB
Toggles
Low Profile Pushbuttons
TYPICAL SWITCH
Rockers
UB
Poles
1
2
SPDT
DPDT
5
6
1
Circuits
ON
ON
(ON)
ON
5
SK
G
03
Terminals
Solder Lug
01
(for Snap-in
Mounting)
03
Straight PC
Pushbuttons
Mounting Types
PCB Mounting
SK
RK
KK
NK
NBK
Square
Rectangular
Square
Rectangular
Rectangular with
Side Barriers
Contacts & Ratings
W
G
Silver Rated 5A
@ 125/250V AC
Gold Rated 0.4VA max
@ 28V AC/DC max
Programmable
Illuminated PB
( ) = Momentary
D
Alternate Action
with Latchdown
* Snap-in Mounting
Keylocks
* Standard with
Solder Lug terminals
Rotaries
IMPORTANT:
Switches are supplied without UL, cULus &
CSA marking unless specified.
UL, cULus &
CSA recognized only when ordered with
marking on the switch.
Specific models,
ratings, & ordering instructions are noted
on General Specifications page.
Slides
Tilt
Tactiles
Touch
DESCRIPTION FOR TYPICAL ORDERING EXAMPLE
UB15SKG035C-CC
Indicators
Gold Contacts with
0.4VA Rating
Square
with PCB Mounting
Red, Bright LED & Red Lens
with Red Diffuser
SPDT ON-(ON) Circuit
Straight PC Terminals
Supplement
Accessories
D82
www.nkkswitches.com
Low Profile Pushbuttons
ORDERING EXAMPLE
Series UB
CC
Cap Types & Colors
Full Face Illuminated Cap
for Bright LED
Lens/Diffuser Colors
CB
*CJ
Red/White
Red/Clear
FF
*FJ
JB
Green/Green
Green/Clear
Clear/White
CC
Red/Red
DB
Amber/White
DD
Amber/Amber
*DJ
FB
AB
Amber/Clear
Green/White
Toggles
LEDS
Bright LED
5C
5D
5F
Red
Amber
Green
D
JC
Clear/Red
JD
Clear/Amber
JF
*JJ
Clear/Green
Clear/Clear
* Not available with Rectangular cap
Super Bright LED
6B
6F
6G
White
Green
Blue
JB
AB
Full Face Illuminated Cap
for Super Bright LED
Clear Lens/White Diffuser
Spot Illuminated Black Cap
with White Window
Alternating Legend Cap/Diffuser
JCF
JDG
Red/Green
Amber/Blue
Nonilluminated Cap Colors
A
B
C
Black
White
Red
E
F
G
Yellow
Green
Blue
Super Bright Bicolor LED
6CF
6DG
Red/Green
Amber/Blue
Nonilluminated
N
Nonilluminated
Alternating Legends
11
12
13
14
ON (pos)
START
OPEN
OFF (pos)
STOP
CLOSE
ON (neg) OFF (neg)
Square Alternating Legends
Color
Part Number
AT9450CF11
Red/Green
AT9450CF12
AT9450CF13
AT9450CF14
Amber/
Blue
Color
Part Number
AT9450DG11
AT9450DG12
AT9450DG13
AT9450DG14
Red/Green
Color
Rectangular Alternating Legends
Part Number
AT9451CF11
AT9451CF12
AT9451CF13
AT9451CF14
Amber/
Blue
Color
Part Number
AT9451DG11
AT9451DG12
AT9451DG13
AT9451DG14
Refer to Ordering Table for Alternating Legend that corresponds with last 2 digits of part number.
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D83
Supplement
Accessories
Indicators
Part Numbers for Alternating Legends
Touch
Tilt
Tactiles
Slides
Rotaries
Keylocks
Square & Rectangular Spot Illumi-
nated Black Cap with White Window
Programmable
Illuminated PB
Pushbuttons
Rockers
5C
Series UB
Toggles
Low Profile Pushbuttons
POLES & CIRCUITS
Plunger Position
( ) = Momentary
Rockers
Connected Terminals
Normal
Down
Notes:
Throw & Switch/Lamp Schematics
Switch is marked with NC, NO, COM, L+ & L–.
Lamp circuit is isolated and requires an external
power source.
1
COM
2
NO
4
NO
6
NC
COM
(+)
(-)
(+)
(-)
Pole
Model
UB15
*UB16
UB25
*UB26
Normal
Down
Pushbuttons
SP
ON
ON
ON
ON
(ON)
ON
(ON)
ON
1-3
1-2
SPDT
1
3
3
COM
NC
Programmable
Illuminated PB
DP
1-3 4-6
1-2 4-5
DPDT
D
NC 2
5
NO
* When in latchdown position for the alternate circuit, cap position is .039” (1.0mm) above the housing.
MOUNTING TYPES & SHAPES
PCB Mounting
(5.08)
.200
L+
2
L-
1
SK
Keylocks
Square
3
(2.54) Typ
.100
(10.16)
.400
(1.2) Dia Typ
.047
(5.08) Typ
.200
6
L+
5
L-
4
3
(2.54) Typ
.100
(10.16)
.400
(1.2) Dia Typ
.047
RK
Rectangular
(7.62)
.300
L+
3
(2.54) Typ
.100
(10.16)
.400
(1.2) Dia Typ
.047
6
(7.62) Typ
.300
L+
3
(2.54) Typ
.100
(10.16)
.400
(1.2) Dia Typ
.047
2
1
2
L-
1
5
L-
4
2
1
C
L
C
L
C
L
C
L
Rotaries
Single Pole
Double Pole
Snap-in Mounting (Solder Lug)
Single Pole
Double Pole
Slides
KK
Square
with Built-in Bezel
NK
Rectangular
with Built-in Bezel
NBK
Rectangular with Built-in
Side Barriers
(16.2)
.638
Tactiles
(16.2) Sq
.638
(22.4)
.882
Snap-in Mounting with Solder Lug terminals is the standard combination. Panel Thickness: .039 ~ .126” (1.0 ~ 3.2mm)
Tilt
CONTACT MATERIALS & RATINGS
Touch
W
G
Silver Contacts
Power Level
5A @ 125V AC & 250V AC
Indicators
Gold Contacts
Logic Level
0.4VA maximum @ 28V AC/DC maximum
Complete explanation of operating range in Supplement section.
Accessories
TERMINALS
01
(0.2)
.008
Solder Lug
Supplement
(1.6)
.063
(5.0)
.197
03
Straight PC
(2.0)
.079
(0.8)
.032
Thk = (0.5)
.020
(0.2)
.008
(4.0)
.157
(1.0)
.039
Thk = (0.5)
.020
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