Series MLW
Toggles
Snap-in Miniature Rockers
Rockers
B
General
Specifications
Electrical Capacity
Power Level:
5A @ 125V AC, 3A @ 250V AC, & 3A @ 30V DC
Pushbuttons
Other Ratings
Programmable Illuminated PB
Contact Resistance:
Insulation Resistance:
Dielectric Strength:
Mechanical Life:
Electrical Life:
Nominal Operating Force:
Angle of Throw:
10 milliohms maximum
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
30,000 operations minimum
10,000 operations minimum
9.94N for rockers & 4.41N for paddles
24° for On-None-(On); 28° for all other circuits
Keylocks
Materials & Finishes
Housing:
Movable Contacts:
Stationary Contacts:
Base:
Common Terminal:
End Terminals:
Lamp Terminals:
Stainless steel
Silver alloy
Silver
Phenolic resin
Copper with silver plating
Copper with silver plating
Phosphor bronze with nickel plating
Slides
Rotaries
Environmental Data
Tactiles
Operating Temperature Range:
Humidity:
Vibration:
Shock:
–10°C through +50°C (+14°F through +122°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 3 right angled directions, with 3 shocks in each direction)
Installation
Tilt
Cap Installation Force:
Touch
Soldering Time & Temperature:
9.80N (2.2 lbf) for rockers;
19.61N (4.4 lbf) for paddle
Manual Soldering: See Profile A in Supplement section.
Standards & Certifications
Indicators
UL:
File No. E44145 - Recognized only when ordered with marking on switch.
Add “/U” or “/CUL” before first dash in part number to order UL recognized switch.
All models recognized at 5A @ 125V AC & 3A @ 250V AC.
Supplement
Accessories
B106
www.nkkswitches.com
Snap-in Miniature Rockers
Series MLW
Toggles
B
Industry’s first miniature snap-in, lighted rocker switch.
Actuators in various styles operate with firm, well-defined
movements.
Interlocking actuator prevents switch failure due to
jamming or window locking.
Two bezel sizes adapt to varied panel cutouts.
Unique stainless steel retaining clips securely hold
switches over a range of panel thicknesses, even
when exposed to vibration.
Space conserving front panel mounting with
minimum behind panel dimension of .902”
(22.9mm).
Durable stainless steel housing prevents corrosion.
Isolated lamp circuit for incandescent, LED, and neon lamps.
Front panel relamping.
Built-in protective cover shields contacts from dust.
Epoxy sealed solder lug terminals lock out flux, dust, and other
contaminants.
Extended lamp terminal for ease of wiring.
Matching indicators available.
Touch
Slides
Pushbuttons
Actual Size
Indicators
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B107
Supplement
Accessories
Tilt
Tactiles
Rotaries
Keylocks
Programmable Illuminated PB
Rockers
Distinctive
Characteristics
Series MLW
Toggles
Snap-in Miniature Rockers
TYPICAL SWITCH ORDERING EXAMPLE
Rockers
B
M LW 3 0
Poles
1
2
SPDT
SP3T
DPDT
2
Lamps
5
12
DC
1A
Bezels/Colors
Standard
1A
1B
1C
1D
1E
1F
1G
1H
2A
2B
2C
2D
2E
2F
2G
2H
Black
White
Red
Orange
Yellow
Green
Blue
Gray
Large
Black
White
Red
Orange
Yellow
Green
Blue
Gray
Pushbuttons
Cap Types & Colors
Rocker
RA
RB
RC
RD
RE
RF
RG
PA
PB
PC
PD
PE
PF
PG
Black
White
Red
Orange
Yellow
Green
Blue
Paddle
Black
White
Red
Orange
Yellow
Green
Blue
Design Rocker
DB
DC
DD
DF
DG
White
Red
Orange
Green
Blue
LED Rocker
LB
LC
LE
White
Red
Yellow
Green
White
Red
Yellow
Green
Programmable Illuminated PB
Incandescent & Neon Lamps
00
06
12
18
No Lamp
6-volt
12-volt
18-volt
24-volt
28-volt
110-volt (not suitable
with green & blue)
Circuits
2
3
5
8
9
0
ON
ON
ON
(ON)
ON
ON
NONE
OFF
NONE
OFF
OFF
ON
ON
ON
(ON)
(ON)
(ON)
ON
24
28
N
Keylocks
Slides
Rotaries
( ) = Momentary
Single Element LED Colors
Tactiles
C
E
F
Red
Yellow
Green
Tilt
DESCRIPTION FOR TYPICAL ORDERING EXAMPLE
Touch
MLW3025-12-DC-1A
Indicators
Design Cap
(Black Rocker Base
with Red Filter)
DPDT
ON-NONE-(ON)
Circuit
12-volt
Incandescent Lamp
Black .787”
(20.0mm)
Wide Bezel
LF
SB
SC
SE
SF
Sculptured Rocker
Accessories
Supplement
IMPORTANT:
Switches are supplied without UL & cULus markings unless specified.
UL & cULus recognized only when ordered with marking on the switch.
Specific models and ratings noted on the General Specifications page.
B108
www.nkkswitches.com
Snap-in Miniature Rockers
POLES & CIRCUITS
Rocker Position
( ) = Momentary
Pole
Model
MLW3012
MLW3013
MLW3015
MLW3018
MLW3019
MLW3022
MLW3023
MLW3025
MLW3028
MLW3029
Down
Center
Up
Series MLW
Connected Terminals
Down
Center
Up
Throw & Power/Lamp Schematics
Notes: Terminal numbers are not actually on
switch. Lamp circuit is isolated and
requires an external power source.
SPDT
B
SP
DP
ON
ON
ON
(ON)
ON
NONE
OFF
NONE
OFF
OFF
ON
ON
(ON)
(ON)
(ON)
DPDT
2-3 5-6
OPEN
2-1 5-4
3
2
(COM)
1
6
5
L (+)
4
(-) L
For 3 Throw (3-On)
Pole
Model
Down Center Up
Connected Terminals & Schematics
External
Connection
2 (in)
5
External
Connection
2 (in)
5
External
Connection
2 (in)
5
External Connection
The SP3T model utilizes
a double pole base.
(out)
SP
MLW3020
ON
ON
ON
1 (out)
3 4 (out) 6 (out) 1 (out)
3 4 (out) 6 (out) 1 (out)
3 4 (out) 6 (out)
4
1
Without External Connection
2-3 5-6
2-3 5-4
2-1 5-4
(out)
(out)
Switch Terminals
(2.0)
.079
(4.0)
.157
Lamp Terminals
(3.0)
.118
(5.9)
.232
(1.2) Dia
.047
Thk = (0.8)
.031
LAMP CODES & SPECIFICATIONS
Electrical specifications are determined at a basic temperature of 25°C. Lamp circuit is independent of switch operation.
For dimension drawings of lamps see Accessories & Hardware section.
For neon, if the source voltage is greater than rated voltage, a ballast resistor is required.
The ballast resistor calculation and more lamp detail are shown in the Supplement.
Tilt
AT602
AT602N
Incandescent
Neon
L(+)
L(-)
06
V
I
Hours
6V AC
80mA
.159
12
12V AC
50mA
.215
18
18V AC
35mA
.398
2,000 Average
–10°C ~ +50°C
24
24V AC
25mA
.215
28
28V AC
22mA
.247
N
110V AC
1.5mA
NA
15,000 Average
–10°C ~ +50°C
Indicators
Voltage
Current
MSCP
Endurance
Ambient Temperature Range
Recommended Resistor for Neon: 33K ohms for 110V AC; 100K ohms for 220V AC
T-1
1
⁄
2
Pilot Slide Base
00
No Lamp
Code 00 indicates that no lamp is used.
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B109
Supplement
Accessories
Touch
Incandescent & Neon Lamps for Solid & Design Caps
Tactiles
Center terminal is
.020” (0.5mm) longer
(2.0)
.079
(1.1)
.043
Thk = (0.8)
.031
Slides
TERMINALS
Rotaries
With External Connection
2-6
2-4
2-1
External
connection
must be made
during field
installation.
External
Conn
6
5
3
2
Common
(in)
Keylocks
Programmable Illuminated PB
ON
ON
ON
(ON)
ON
NONE
OFF
NONE
OFF
OFF
ON
ON
(ON)
(ON)
(ON)
2-3
OPEN
2-1
3
2 (COM)
L (+)
1
(-) L
Pushbuttons
Rockers
Toggles
Series MLW
Toggles
Snap-in Miniature Rockers
LED COLOR CODES & SPECIFICATIONS
Single Element LED
Resistor value calculation is shown
in the Supplement.
Maximum Forward Current
Typical Forward Current
Forward Voltage
Maximum Reverse Voltage
Current Reduction Rate Above 25°C
Rockers
B
AT622 LED
Color
I
FM
I
F
V
F
V
R M
∆I
F
C
Red
E
Yellow
F
Green
30mA
20mA
1.85V
5V
0.40mA/°C
30mA
20mA
2.0V
5V
0.40mA/°C
–10°C ~ +50°C
30mA
20mA
2.1V
5V
0.40mA/°C
Pushbuttons
(+)
(-)
Programmable Illuminated PB
T-1
3
⁄
4
Pilot Slide Base
Ambient Temperature Range
CAP TYPES & COLORS
For Incandescent or Neon Lamps
RA
RB
RC
RD
AT405 Rocke
r
PA
(16.0)
.630
(10.5)
.413
AT426 Paddle
Keylocks
RE
RF
RG
(12.6)
.496
PB
PC
PD
PE
PF
PG
(4.0)
.157
(15.6)
.614
DB
DC
(25.0)
.984
AT438 Design Rocker
DD
DF
(16.0)
.630
(10.5)
.413
(13.5)
.531
(12.6)
.496
Rotaries
(13.5)
.531
(15.6)
.614
DG
Material: Translucent Polycarbonate Standard Finish: Glossy
Black Rocker/Paddle not for use with lamp
Slides
Translucent Colored Filter
Opaque Black Rocker Base
LB
Tactiles
AT4125
LED Rocker
For LED
SB
SC
LC
LE
Translucent
Colored Diffuser
and Opaque Black
Rocker Base
(16.0)
.630
(10.5)
.413
(13.5)
.531
(12.6)
.496
AT4127
Sculptured
Rocker
(11.5)
.453
SE
SF
Standard Finish: Glossy
Orange
(16.0)
.630
(15.5)
.610
Tilt
LF
Material: Translucent Polycarbonate
Touch
Color Codes:
A
Black
B
White
C
Red
D
E
Yellow
F
Green
G
Blue
OPTIONAL BEZELS
Indicators
AT204 Standard Bezel .787” (20.0mm) Wide
AT9201 Large Bezel .937” (23.8mm) Wide
(16.4)
.646
1A
1B
1C
1D
B110
1E
1F
1G
1H
(2.2)
.087
2A
2B
2E
2F
2G
2H
(16.4)
.646
(2.5)
.098
Accessories
(16.0)
.630
(20.0)
.787
(25.5)
1.004
2C
2D
(23.8)
.937
(16.0)
.630
(26.3)
1.035
Supplement
Material: Polycarbonate Standard Finish: Glossy
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Material: Polycarbonate Standard Finish: Glossy
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