Series M2
Toggles
Process Sealed Miniature Rockers
Rockers
B
General
Specifications
Electrical Capacity (Resistive Load)
Power Level (silver):
Logic Level (gold):
Logic/Power Level (gold over silver):
6A @ 125V AC or 3A @ 250V AC;
4A @ 30V DC (On-On circuit) & 3A @ 30V DC (all other circuits)
0.4VA maximum @ 28V AC/DC maximum
(Applicable Range 0.1mA ~ 0.1A @ 20mV ~ 28V)
Combines silver & gold ratings
Note: Find additional explanation of dual rating & operating range in Supplement section.
Programmable Illuminated PB
Pushbuttons
Other Ratings
Contact Resistance:
Insulation Resistance:
Dielectric Strength:
Mechanical Life:
Electrical Life:
Contact Timing:
Angle of Throw:
Keylocks
10 milliohms maximum for silver; 20 milliohms maximum for gold
1,000 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
50,000 operations minimum
25,000 operations minimum for silver; 50,000 operations minimum for gold
Nonshorting (break-before-make)
26°
Materials & Finishes
Slides
Lever:
Actuator Clip:
Support Bracket:
Bushing/Housing:
Sealing Ring:
Base:
Movable Contacts:
Stationary Contacts:
Tactiles
Terminals:
Brass with nickel plating
Polyacetal
Brass with tin plating
Glass fiber reinforced polyamide (UL94V-0)
Nitrile butadiene rubber
Glass fiber reinforced polyamide (UL94V-0)
Silver alloy with silver plating (code W); copper or phosphor bronze with gold plating (code G);
or silver alloy with gold plating (code A)
Silver alloy with silver plating (code W); copper or brass with gold plating (code G);
or silver alloy with gold plating (code A)
Copper or brass with silver or gold plating
Rotaries
Environmental Data
Tilt
Operating Temp Range:
Humidity:
Vibration:
Shock:
–30°C through +85°C (–22°F through +185°F)
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)
Touch
PCB Processing
Soldering:
Cleaning:
Wave Soldering Recommended: See Profile B in Supplement section.
Automated cleaning. See Cleaning specifications in Supplement section.
Indicators
Standards & Certifications
Flammability Standards:
UL:
CSA:
Supplement
UL94V-0 rated bushing/housing & 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.
All models recognized at 6A @ 125V AC, 3A @ 250V AC, & 4A @ 30V DC or 0.4A @ 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 models certified at 6A @ 125V AC, 3A @ 250V AC, & 4A @ 30V DC.
Accessories
B98
www.nkkswitches.com
7/11/17
Process Sealed Miniature Rockers
Series M2
Toggles
Ultrasonic welding of upper and lower housing seals out
contaminants and allows automatedsoldering and cleaning.
Terminals are epoxy sealed to prevent entry of flux,
solvents, and other contaminants.
Actual Size
www.nkkswitches.com
B99
Supplement
Accessories
Indicators
Touch
Tilt
Tactiles
Logic level and power capabilities are available to suit
varying applications.
Slides
Bracketed models have crimped bracket legs to ensure
secure PC mounting and prevent dislodging during
automated soldering.
Rotaries
Keylocks
Programmable Illuminated PB
O-ring surrounding top of lever prevents liquids from reaching
switch mechanism.
Pushbuttons
Antijamming design protects against mechanism damage from downward force
on the actuator.
B
Rockers
Distinctive
Characteristics
Series M2
Toggles
Process Sealed Miniature Rockers
TYPICAL SWITCH ORDERING EXAMPLE
Rockers
B
M2T
Poles
1
2
SPDT
DPDT
2
2
TX
G
41
D
Rockers/Paddles
D
E
F
G
.365” (9.27mm)
Wide Rocker
.365” (9.27mm)
Wide Paddle
C
Pushbuttons
Contact Materials & Ratings
W
G
A
ON
ON
(ON)
(ON)
(ON)
13
30
41
Silver; Rated
6A @ 125V AC & 3A @ 250V AC
Gold; Rated
0.4VA max @ 28V AC/DC max
Gold over Silver; Rated 6A @
125V AC & 0.4VA max @ 28V
AC/DC max
Programmable Illuminated PB
Circuits
2
3
5
8
9
ON
ON
ON
(ON)
ON
NONE
OFF
NONE
OFF
OFF
.450” (11.43mm)
Wide Rocker
.450” (11.43mm)
Wide Paddle
Keylocks
PC Terminals
Straight with
.460” (11.7mm) Bracket
.150” (3.81mm) Right Angle
.150” (3.81mm) Vertical
A
B
C
E
F
G
H
Rotaries
( ) = Momentary
Rocker/Paddle
Colors
Black
White
Red
Yellow
Green
Blue
Gray
Mounting Frame
Slides
TX
For Actuators with
Straight or Angle
PC Mount
Tactiles
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 and ordering instructions are noted on the General
Specifications page.
Touch
Tilt
DESCRIPTION FOR TYPICAL ORDERING EXAMPLE
Indicators
M2T22TXG41-DC
Mounting Frame for Actuators
with Straight or Angle PC Mount
Accessories
DPDT
ON-NONE-ON Circuit
.150” (3.81mm)
Vertical Terminals
Gold Contacts
with 0.4VA Rating
.365” (9.27mm) Wide
Red Rocker
Supplement
B100
www.nkkswitches.com
Process Sealed Miniature Rockers
POLES & CIRCUITS
Rocker Position
( ) = Momentary
Down
Pole
Model
Center
Up
Connected Terminals
Down
Center
Up
Series M2
Throw & Schematics
Note: Terminal numbers are not actually
on the switch.
Toggles
B
SP
DP
M2T22
M2T23
M2T25
M2T28
M2T29
ON
ON
ON
(ON)
ON
NONE
OFF
NONE
OFF
OFF
ON
ON
(ON)
(ON)
(ON)
2-3 5-6
OPEN
2-1 5-4
DPDT
3
2
(COM)
1
6
5
4
MOUNTING FRAME
TX
Mounting Frame for Rockers or Paddles with Straight or Angle PC Terminals
Straight PC Mounting
Right Angle PC Mounting
Vertical PC Mounting
26
°
(2.54) Dia
.100
(2.54) Dia
.100
26
°
(2.54) Dia
.100
Actuators & Panel Cutouts
Tactiles
Supplement
Accessories
Indicators
Touch
Tilt
Direction of Actuation
Direction of Actuation
(17.8)
.701
(12.7)
.500
AT4148
AT4149
(10.1)
.398
AT4150
AT4151
(12.4)
.490
CONTACT MATERIALS & RATINGS
W
G
Silver over Silver
Power Level
6A @ 125V AC & 3A @ 250V AC
Gold over Brass or Copper
Logic Level
0.4VA maximum @ 28V AC/DC maximum
Complete explanation of operating range in Supplement section.
A
Gold over Silver
Power Level
or Logic Level
6A @ 125V AC
or 0.4VA maximum @ 28V AC/DC maximum
Note: This dual rated option is suitable when two or more identical switches are used in logic and in power circuits
within the same application. See Supplement section for complete explanation of dual rating and operating range.
www.nkkswitches.com
B101
Slides
Rotaries
Keylocks
Programmable Illuminated PB
M2T12
M2T13
M2T15
M2T18
M2T19
ON
ON
ON
(ON)
ON
NONE
OFF
NONE
OFF
OFF
ON
ON
(ON)
(ON)
(ON)
2-3
OPEN
2-1
SPDT
3
2 (COM)
1
Pushbuttons
Rockers
Series M2
Toggles
Process Sealed Miniature Rockers
PC TERMINALS
Rockers
13
B
Straight with
.460” (11.7mm)
Bracket
(11.7)
.460
30
.150” (3.81mm)
Right Angle
41
.150” (3.81mm)
Vertical
Pushbuttons
(5.9)
.232
(3.81)
.150
(3.81)
.150
Programmable Illuminated PB
ROCKERS & PADDLES
D
AT4148
.365” (9.27mm) Wide Rocker
(9.27)
.365
(16.87)
.664
(13.49)
.531
(7.9) (6.15)
.242
.311
(8.8)
.346
(4.2)
.165
(16.8)
.661
E
AT4149
.365” (9.27mm) Wide Paddle
(9.27)
.365
(2.13)
.084
(3.96)
.156
(8.43) R
.331
Material: Polyamide
Finish: Matte
Material: Polyamide
Finish: Matte
(18.8)
.740
Keylocks
(4.2)
.165
Rotaries
F
AT4150
.450” (11.43mm) Wide Rocker
(11.43)
.450
(11.8)
.465
(9.19)
.362
(8.1) (6.3)
.319 .248
(7.7)
.303
(4.2)
.165
G
AT4151
.450” (11.43mm) Wide Paddle
(11.43)
.450
Material: Polyamide
Finish: Matte
Material: Polyamide
Finish: Matte
Slides
(2.36)
.093
(3.18)
.125
(5.84) R
.232
(16.36)
.644
(4.2)
.165
(11.8)
.465
Tactiles
Cap Colors
Available:
Tilt
A
Black
B
White
C
Red
E
Yellow
F
Green
G
Blue
H
Gray
TYPICAL SWITCH DIMENSIONS
Touch
Straight PC • Bracket
26°
(8.8)
.346
Single Pole
Double Pole
Indicators
(6.15)
.242
(4.2)
.165
NKK P/N
This Side
(1.6) Typ
.063
(11.7) Typ
.460
(4.8)
.189
(4.7) Typ
.185
3
2
(1.6) Typ
.063
(2.4) Typ
.095
3
2
1
6
5
4
(7.9) Typ
.311
(4.7) Typ
.185
(1.8) Dia Typ
.073
(1.5) Dia Typ
.059
(7.9) Typ
.311
(4.7) Typ
.185
(1.8) Dia Typ
.073
(1.5) Dia Typ
.059
Accessories
1
2
3
1
Supplement
(0.5) Typ
.020
(0.8) Typ
.031
(4.7) Typ
.185
(1.17) Typ
.046
(1.17) Typ
.046
(15.75)
.620
(8.0)
.315
(11.5)
.453
(4.8)
.189
(3.2) Typ
.126
C
L
M2T12TXG13-DC
B102
www.nkkswitches.com
stm32/stm8
