Snap-in Miniature Rockers
Series MLW
Distinctive Characteristics
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 and shown at end of section M.
Actual Size
NKK Switches • email: sales@nkkswitches.com • Phone (480) 991-0942 • Fax (480) 998-1435 • www.nkkswitches.com
05-08
Snap-in Miniature Rockers
Series MLW
General Specifications
Electrical Capacity
Power Level:
5A @ 125V AC, 3A @ 250V AC, & 3A @ 30V DC;
Other Ratings
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
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
Environmental Data
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
Cap Installation Force:
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
R
UL Recognized:
C-UL Recognized:
R
All models recognized at 5A @ 125V AC & 3A @ 250V AC;
UL File No. WOYR2.E44145
Add “/U” to end of part number to order UL mark on switch
All models recognized at 5A @ 125V AC & 3A @ 250V AC;
C-UL File No. WOYR8.E44145
Add “/C-UL” to end of part number to order C-UL mark on switch
NKK Switches • email: sales@nkkswitches.com • Phone (480) 991-0942 • Fax (480) 998-1435 • www.nkkswitches.com
05-08
Snap-in Miniature Rockers
TYPICAL SWITCH ORDERING EXAMPLE
Series MLW
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
M LW 3 0
POLES
1
2
SPDT
SP3T
DPDT
2
LAMPS
5
12
DC
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
LB
White
Red
Orange
Green
Blue
LED Rocker
White
Red
Yellow
Green
White
Red
Yellow
Green
LC
LE
LF
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
( ) = Momentary
Double Element LED Colors
C
E
F
Red
Yellow
Green
DESCRIPTION FOR TYPICAL ORDERING EXAMPLE
MLW3025-12-DC-1A
Sculptured Rocker
Design Cap
(Black Rocker Base
with Red Filter)
DPDT
ON-NONE-(ON)
Circuit
12-volt
Incandescent Lamp
Black .787”
(20.0mm)
Wide Bezel
SB
SC
SE
SF
IMPORTANT:
Switches are supplied
without UL & CSA mark-
ings unless specified.
Specific models &
ratings noted on
General Speci-
fications page.
NKK Switches • email: sales@nkkswitches.com • Phone (480) 991-0942 • Fax (480) 998-1435 • www.nkkswitches.com
05-08
Snap-in Miniature Rockers
POLES & CIRCUITS
Rocker Position
( ) = Momentary
Up
Pole
Model
MLW3012
MLW3013
MLW3015
MLW3018
MLW3019
MLW3022
MLW3023
MLW3025
MLW3028
MLW3029
Model
Up
ON
ON
ON
(ON)
ON
ON
ON
ON
(ON)
ON
NONE
OFF
NONE
OFF
OFF
NONE
OFF
NONE
OFF
OFF
ON
ON
(ON)
(ON)
(ON)
ON
ON
(ON)
(ON)
(ON)
Center
Down
Series MLW
Connected Terminals
Up
Center
Down
Throw & Power/Lamp Schematics
Notes: Terminal numbers are not actually on
switch. Lamp circuit is isolated and
requires an external power source.
SPDT
SP
2-1
OPEN
2-3
3
2 (COM)
L (+)
1
(-) L
DPDT
2-1 5-4
OPEN
2-3 5-6
3
2 (COM)
1
6
5
L (+)
4
(-) L
DP
For 3 Throw (3-On)
Pole
Center Down
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)
With External Connection
Without External Connection
2-1
2-1 5-4
2-4
2-3 5-4
2-6
2-3 5-6
External
connection
must be made
during field
installation.
External
Conn
6
5
4
3
2
1
Common
(in)
(out)
(out)
TERMINALS
Switch Terminals
.
(2.0)
.079
(4.0)
.157
Lamp Terminals
(3.0)
.118
(5.9)
.232
(1.2) Dia
.047
Thk = (0.8)
.031
Center terminal is
.020” (0.5mm) longer
(2.0)
.079
(1.1)
.043
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.
Incandescent & Neon Lamps for Solid & Design Caps
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
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.
05-08
NKK Switches • email: sales@nkkswitches.com • Phone (480) 991-0942 • Fax (480) 998-1435 • www.nkkswitches.com
Snap-in Miniature Rockers
LED COLOR CODES & SPECIFICATIONS
Double Element LED
AT622 LED
Resistor value calculation is shown
in the Supplement.
Forward Peak Current
Continuous Forward Current
L(+)
L(-)
Series MLW
E
F
Color
I
FM
I
F
V
F
V
R M
∆I
F
C
Red
Yellow
Green
30mA
20mA
1.85V
5V
0.40mA/°C
30mA
20mA
4.2V
8V
0.32mA/°C
–10°C ~ +50°C
30mA
20mA
4.3V
8V
0.42mA/°C
Forward Voltage
Reverse Peak Voltage
Current Reduction Rate Above 25°C
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
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
(13.5)
.531
(15.6)
.614
DG
Material: Translucent Polycarbonate Standard Finish: Glossy
Black Rocker/Paddle not for use with lamp
AT4125
LED Rocker
Translucent Colored Filter
Opaque Black Rocker Base
For LED
LB
LC
LE
LF
SB
SC
AT4127
Sculptured
Rocker
(11.5)
.453
Translucent
Colored Diffuser
and Opaque Black
Rocker Base
(16.0)
.630
(10.5)
.413
(13.5)
.531
(12.6)
.496
SE
SF
Standard Finish: Glossy
Orange
(16.0)
.630
(15.5)
.610
Material: Translucent Polycarbonate
Color Codes:
A
Black
B
White
C
Red
D
E
Yellow
F
Green
G
Blue
OPTIONAL BEZELS
AT204 Standard Bezel .787” (20.0mm) Wide
AT9201 Large Bezel .937” (23.8mm) Wide
(16.4)
.646
(2.2)
.087
(16.0)
.630
(20.0)
.787
(25.5)
1.004
1A
1B
1C
1D
1E
1F
1G
1H
2A
2B
2C
2D
2E
2F
2G
2H
(16.4)
.646
(2.5)
.098
(23.8)
.937
(16.0)
.630
(26.3)
1.035
Material: Polycarbonate Standard Finish: Glossy
Material: Polycarbonate Standard Finish: Glossy
05-08
NKK Switches • email: sales@nkkswitches.com • Phone (480) 991-0942 • Fax (480) 998-1435 • www.nkkswitches.com
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