Series UB2
Toggles
Low Profile Pushbuttons
Rockers
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;
200,000 operations minimum for gold
Single Pole: 1.90N
Double Pole: 2.55N
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 tin plating
Glass fiber reinforced liquid crystal polymer (UL94V-0)
–25°C through +50°C (–13°F through +122°F) for Illuminated
–25°C through +70°C (–13°F through +158°F) for Nonilluminated
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)
15.0N 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.
Pushbuttons
Programmable
Illuminated PB
Other Ratings
D
Contact Resistance:
Insulation Resistance:
Dielectric Strength:
Mechanical Life:
Electrical Life:
Keylocks
Nominal Operating Force:
Contact Timing:
Travel:
Rotaries
Materials & Finishes
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:
Cleaning:
Processing
Indicators
Standards & Certifications
Flammability Standards:
UL:
Supplement
Accessories
D88
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Low Profile Pushbuttons
Series UB2
Toggles
Alternating legends (patent pending) in choice of sculptured or
flat caps, combined with super bright bicolor LED.
Combination of PCB mountability and short body
allows use in compact applications.
Small behind panel dimension for snap-in mounting
in tight spaces.
Snap-acting contact mechanism provides sensitive
actuation with audible feedback; quick-make,
quick-break characteristic limits arcing and
prolongs electrical life.
Latchdown mechanism, independent of switching
mechanism, gives outstanding stability and
reliability plus visible and tactile indication of
circuit status.
Terminals are epoxy sealed to lock out flux, solvents,
and other contaminants.
Momentary and alternate action circuits available in the same
space-saving body size.
Matching indicators available.
D
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D89
Supplement
Accessories
Indicators
Actual Size
Touch
Tilt
Tactiles
Slides
Rotaries
Keylocks
Programmable
Illuminated PB
Pushbuttons
Wide selection of illumination effects is achieved with single and bicolor,
1- or 6-element LEDs in flat, beveled, or sculptured caps.
Rockers
Distinctive
Characteristics
Series UB2
Toggles
Low Profile Pushbuttons
TYPICAL SWITCH
Low Profile Pushbuttons
ORDERING EXAMPLE
Series UB2
1J C
Cap Types & Colors
Sculptured Cap Lens/Diffuser Colors
1JB
1JC
1JD
1JF
2B
2C
Clear/White
Clear/Red
Clear/Amber
Clear/Green
Beveled Cap & Colors
White
Red
Amber
Green
Clear/White
Clear/Red
Clear/Amber
Rotaries
Pushbuttons
Toggles
Rockers
Poles
Pushbuttons
Mounting Types
PCB Mounting
SK
Square
Square
Terminals
Solder Lug
01
(for Snap-in
Mounting)
03
Straight PC
5C
5D
5F
LEDS
Bright LED
Red
Amber
Green
1
2
SPDT
DPDT
Circuits
5
ON
ON
(ON)
ON
* Snap-in Mounting
KK
* Standard with
Solder Lug terminals
Programmable
Illuminated PB
D
( ) = Momentary
6
Alternate Action
with Latchdown
D
Contacts & Ratings
W
G
Silver Rated 5A
@ 125/250V AC
Gold Rated 0.4VA max
@ 28V AC/DC max
2D
2F
3JB
3JC
3JD
3JF
Super Bright LED
6B
6F
6G
White
Green
Blue
2B
3JB
Super Bright Bicolor LED
6CF
Red/Green
Keylocks
Rotaries
IMPORTANT:
Switches are supplied without UL & cULus marking unless
specified.
UL & cULus recognized only when ordered with
marking on switch.
Specific models, ratings, & ordering
instructions are noted on the General Specifications page.
Clear/Green
Sculptured Cap Lens/Diffuser Color
1JB
Clear/White
White
Clear/White
Beveled Cap & Color
Flat Cap Lens/Diffuser Color
Slides
Tactiles
Sculptured Cap Lens/Diffuser Color
1JB
2B
3JB
4J
5J
Clear/White
Beveled Cap & Color
Tilt
Flat Cap Lens/Diffuser Color
DESCRIPTION FOR TYPICAL ORDERING EXAMPLE
Clear/White
Clear Lens
Clear Lens
01
02
04
ON/OFF
START/STOP
Indicators
Touch
Supplement
Accessories
Touch
Sculptured Cap with Alternating Legend
Flat Cap with Alternating Legend
UB215SKG035C-1JC
Alternating Legends
Indicators
OPEN/CLOSE
Gold Contacts
with 0.4VA Rating
Square with PCB Mounting
Straight PC Terminals
Accessories
Red, Bright LED and
Sculptured Cap with
Clear Lens and Red Diffuser
SPDT
ON-(ON) Circuit
Nonilluminated
N
Nonilluminated
Sculptured Cap Lens/Insert Colors
4JA
Clear/Black
4JD
Clear/Amber
4JB
Clear/White
4JF
Clear/Green
4JC
Clear/Red
Beveled Cap & Colors
5A
5B
5C
Black
White
Red
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D91
Supplement
5D
5F
Amber
Green
D90
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Tilt
White
Tactiles
Slides
Keylocks
Flat Cap Lens/Diffuser Colors
Programmable
Illuminated PB
Rockers
UB2
1
5
SK
G
03
5C
Series UB2
Toggles
Low Profile Pushbuttons
POLES & CIRCUITS
Plunger Position
( ) = Momentary
Pole
Model
Normal
Down
Connected Terminals
Normal
Down
Throw & Switch/Lamp Schematics
Notes: Switch is marked with NC, NO, COM, L+ & L–.
Lamp circuit is isolated and requires an external
power source.
1
COM
(+)
(-)
Pushbuttons
Rockers
SP
UB215
*UB216
UB225
*UB226
ON
ON
ON
ON
(ON)
ON
(ON)
ON
1-3
1-2
SPDT
1
3
COM
NC
2
NO
4
COM
(+)
(-)
Programmable
Illuminated PB
DP
1-3 4-6
1-2 4-5
DPDT
D
3
NC 2
NO
6
NC
5
NO
* When in latchdown position for the alternate circuit, cap positions above the housing are:
.059” (1.5mm) for snap-in models & .276” (7.0mm) for PCB models.
MOUNTING TYPES & SHAPES
PCB Mounting
SK
Keylocks
Square
SP, Single Color LED
(5.08)
.200
L (+)
DP, Single Color LED
(5.08) Typ
.200
6
L (+)
SP, Bicolor LED
(5.08)
.200
LC+
DP, Bicolor LED
(5.08) Typ
.200
6
LC+
3
(2.54) Typ
.100
(10.16)
.400
(1.2) Dia Typ
.047
3
(2.54) Typ
.100
(10.16)
.400
(1.2) Dia Typ
.047
3
(2.54) Typ
.100
(10.16)
.400
(1.2) Dia Typ
.047
3
(2.54) Typ
.100
(10.16)
.400
(1.2) Dia Typ
.047
(5.08)
.200
2
L (–)
1
(5.08)
.200
5
L (–)
4
2
1
(5.08)
.200
(2.54)
.100
2
L2-
L1-
1
(5.08)
.200
5
L2-
4
L1-
2
1
Rotaries
C
L
C
L
C
L
(2.54)
.100
C
L
Slides
Snap-in Mounting (Solder Lug)
KK
Square
with Built-in Bezel
(17.4) Sq
.685
Tactiles
Panel Thickness:
.039 ~ .126”
(1.0 ~ 3.2mm)
CONTACT MATERIALS & RATINGS
Tilt
W
G
Silver Contacts
Power Level
5A @ 125V AC & 250V AC
Touch
Gold Contacts
Logic Level
0.4VA maximum @ 28V AC/DC maximum
Complete explanation of operating range in Supplement section.
Indicators
SWITCH & LAMP TERMINALS
01
Solder Lug
For Switch &
Bright LED
(0.2)
.008
(1.6)
.063
(5.0)
.197
(2.0)
.079
(1.0)
.039
Thk = (0.5)
.020
Accessories
For Super Bright
& Bicolor LED
(0.2)
.008
(4.0)
.157
03
Straight PC
For Switch &
Bright LED
(0.2)
.008
(4.0)
.157
(1.0)
.039
Thk = (0.5)
.020
For Super Bright
& Bicolor LED
(0.2)
.008
(4.0)
.157
(1.0)
.039
Thk = (0.5)
.020
Supplement
(0.8)
.032
Thk = (0.5)
.020
D92
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Low Profile Pushbuttons
BRIGHT LED & CAPS
Series UB2
Toggles
The electrical specifications shown are determined at a basic temperature of 25°C.
LED circuit is isolated and requires an external power source. Polarity marks are on the bottom of the switch.
If the source voltage exceeds the rated voltage, a ballast resistor is required.
The resistor value can be calculated by using the formula in the Supplement section.
The LED is an integral part of the switch and not available separately.
Electrical Specifications for Bright LED
Color
Maximum Forward Current
Typical Forward Current
Forward Voltage
Maximum Reverse Voltage
Current Reduction Rate Above 25°C
Ambient Temperature Range
I
FM
I
F
V
F
V
RM
∆I
F
Red
30
20
1.85
5
0.40
Amber
30
20
2.0
5
0.42
–25° ~ +50°
Green
25
20
2.1
5
0.46
Unit
mA
mA
V
V
mA/°C
°C
D
Bright Single Color LED with 1 element
Caps for Bright LED
(+)
(-)
1
AT3074
Sculptured
(6.1)
.240
2
AT3075
Beveled
(5.6)
.220
3
AT3076
Flat
(5.6)
.220
(15.0) Sq
.591
(15.0) Sq
.591
(15.0) Sq
.591
Clear Lens
Translucent
Colored Diffuser
Lens/Diffuser Colors Available:
Translucent
Colored Cap
Cap Colors Available:
Clear Lens
Translucent
Colored Diffuser
Lens/Diffuser Colors Available:
JB
JC
JD
JF
Clear/White
Clear/Red
Clear/Amber
Clear/Green
B
C
D
F
White
Red
Amber
Green
Finish: Glossy
JB
JC
JD
JF
Clear/White
Clear/Red
Clear/Amber
Clear/Green
Material: Polycarbonate
www.nkk.com
D93
Supplement
Accessories
Indicators
Touch
Tilt
Tactiles
Slides
Rotaries
Keylocks
Programmable
Illuminated PB
5C
5D
5F
Pushbuttons
Rockers
Analog electronics
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