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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:
-10C through +50C (+14F through +122F) 90 ~ 95% humidity for 96 hours @ 40C (104F) 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/s2) 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 markings unless specified. Specific models & ratings noted on General Specifications 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 (2.0) .079
Lamp Terminals
(3.0) .118
(5.9) .232 (1.2) Dia .047 Thk = (0.8) .031
Center terminal is .020" (0.5mm) longer
(1.1) .043 Thk = (0.8) .031
LAMP CODES & SPECIFICATIONS
Electrical specifications are determined at a basic temperature of 25C. 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 -10C ~ +50C
24
24V AC 25mA .215
28
28V AC 22mA .247
N
110V AC 1.5mA NA 15,000 Average -10C ~ +50C
Voltage Current MSCP Endurance
Ambient Temperature Range
Recommended Resistor for Neon: 33K ohms for 110V AC; 100K ohms for 220V AC
T-112 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 IF VF VRM I F
C
Red
Yellow
Green
30mA 20mA 1.85V 5V 0.40mA/C
30mA 20mA 4.2V 8V 0.32mA/C -10C ~ +50C
30mA 20mA 4.3V 8V 0.42mA/C
Forward Voltage Reverse Peak Voltage Current Reduction Rate Above 25C
T-134 Pilot Slide Base
Ambient Temperature Range
CAP TYPES & COLORS
For Incandescent or Neon Lamps
RA RB RC RD
AT405 Rocker
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
Snap-in Miniature Rockers
TYPICAL SWITCH DIMENSIONS
(1.5) .059 NKK Part No. This Side (4.0) .157 (4.5) .177 (3.0) Typ .118
Series MLW
(2.0) Typ .079
(1.1) x (2.0) Typ .043 x .079 (0.8) Typ .031 (4.7) Typ .185 (17.0) .669 (0.4) Typ .016
Without Bezel Single & Double Pole
6 5 4
L (-)
3 2 1
(4.0) .157
(15.6) .614
(21.0) .827
L (+)
(0.5) .020
(0.5) .020 (22.9) .902
(16.0) .630
(14.5) .571
(4.5) .177
(5.9) .232
(1.2) Dia Typ .047
(10.2) .402 (16.6) .654
Actuator in UP position
NKK Part No. This Side (4.0) .157 (4.5) .177
Terminals 4, 5, & 6 are not on single pole models
(3.0) Typ .118 (2.0) Typ .079
MLW3022-12PC
(1.1) x (2.0) Typ .043 x .079 (0.8) Typ .031 (4.7) Typ .185 (17.0) .669 (0.4) Typ .016
Standard Bezel Single & Double Pole
6 5 4
L (-)
3 2 1
(4.0) .157
(15.6) .614
(25.5) 1.004
L (+)
(15.5) .611
(2.2) .087
(5.4) .213
(2.2) .087
(0.5) .020 (22.0) .866
(5.9) .232
(1.2) Dia Typ .047
(16.6) .654
(10.2) .402 (20.0) .787
Actuator in UP position
NKK Part No. This Side (4.0) .157 (4.5) .177
Terminals 4, 5, & 6 are not on single pole models
(3.0) Typ .118 (1.1) x (2.0) Typ .043 x .079 (0.8) Typ .031 (4.7) Typ .185 (17.0) .669 (0.4) Typ .016
6 5 4 L (+) L (-) 3 2 1
MLW3022-12RC-1A
(2.0) Typ .079
Large Bezel Single & Double Pole
(4.0) .157
(15.6) .614
(26.3) 1.035
(15.5) .611
(2.5) .098
(5.4) .213
(2.5) .098
(0.5) .020 (22.0) .866
(5.9) .232
(1.2) Dia Typ .047
(16.6) .654
(10.2) .402 (23.8) .937
Actuator in UP position
NKK Part No. This Side (4.0) .157 (4.5) .177
Terminals 4, 5, & 6 are not on single pole models
(3.0) Typ .118 (2.0) Typ .079
MLW3022-12PC-2A
(1.1) x (2.0) Typ .043 x .079 (0.8) Typ .031 (4.7) Typ .185 (17.0) .669 (0.4) Typ .016
Sculptured Cap Single & Double Pole
6 5 4
L (-)
3 2 1
(25.5) 1.004
L (+)
(16.0) .630
(6.1) .240
(2.2) .087
(0.5) .020 (22.0) .866
(5.9) .232
(1.2) Dia Typ .047
(10.2) .402 (16.6) .654 (20.0) .787
Actuator in UP position
Terminals 4, 5, & 6 are not on single pole models
MLW3022-CSC-1A 05-08
NKK Switches * email: sales@nkkswitches.com * Phone (480) 991-0942 * Fax (480) 998-1435 * www.nkkswitches.com
Snap-in Miniature Rockers
PANEL CUTOUTS & THICKNESSES
(18.7) .736 (18.7) .736
Series MLW
(16.7) .657
(16.7) .657
(19.2) Sq .755
Without Bezel .039" ~ .157" (1.0mm ~ 4.0mm)
With Standard Bezel AT204 .039" ~ .118" (1.0mm ~ 3.0mm)
With Large Bezel AT9201 .039" ~ .118" (1.0mm ~ 3.0mm)
INSTALLATION & MAINTENANCE
Lamps and LEDs can be changed without removing the switch from the panel. The lamp extractor AT107 assists in removing lamps and LEDs.
LED (+) Marking this side Actuator (+) Marking (5.0) Dia .197
AT107 Lamp Extractor
(3.8) Dia .150
(20.0) .787
Note: When changing LEDs, match the positive polarity markings on both lamp base and actuator block.
LEGENDS
General information and basic specifications are presented here for customers who want to do their own legends. Shaded areas are printable areas.
STA
RT
(1.52) Typ .060 (9.56) .376 (12.6) .496
(1.52) Typ .060 (8.16) .321 (11.2) .441
(3.15) Typ .124 (0.76) Typ .030 (4.67) Typ .184 (0.76) Typ .030 (18.48) Typ .728 (20.0) .787 (0.76) Typ .030
Recommended Print Method: Screen Print or Pad Print Epoxy based ink is recommended
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OP ST
(14.48) .570 (16.0) .630
(0.76) Typ .030
(13.08) .515 (14.6) .575
(0.76) Typ .030
Rocker
Design Rocker & LED Rocker Additional Methods
Bezel
An additional method for legends is engraving the lens. Maximum depth for engraving is .012" (0.3mm) on the cap lens. Enamel paint is recommended to fill the engraved area.
05-08

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