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Miniature Pushbuttons
Series MB2000
Distinctive Characteristics
Guide interlocked with actuator block prevents window locking and maintains correct plunger alignment to assure contact stability. Employs an over-center actuator mechanism, which diminishes sparking and increases operating life in AC circuits. High torque bushing construction prevents rotation or separation from frame during installation. Splashproof option (D3 and B3 bushing codes) features an o-ring within the bushing and one under the face nut to protect from splashed, sprayed, or spilled liquids. High insulating barriers, formed in the molded diallyl phthalate case, increase isolation of circuits in multipole devices. Prominent external insulating barriers increase insulation resistance and dielectric strength. Epoxy sealed terminals prevent entry of solder flux and other contaminants. Clinching of the frame to the case well above the base and terminals provides 1,500V dielectric strength.
Actual Size
NKK Switches * email: sales@nkkswitches.com * Phone (480) 991-0942 * Fax (480) 998-1435 * www.nkkswitches.com
03-07
Miniature Pushbuttons
Series MB2000
General Specifications
Electrical Capacity (Resistive Load)
Power Level (code W): Logic Level (code G): Logic/Power Level (code A): 6A @ 125V AC & 3A @ 250V AC or 3A @ 30V DC 0.4VA maximum @ 28V AC/DC maximum (Applicable Range 0.1mA ~ 0.1A @ 20mV ~ 28V) Combines W & G ratings Note: Find additional explanation dual rating & operating range in Supplement section. 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 for splashproof models; 100,000 for all other models 25,000 operations minimum for silver; 50,000 operations minimum for gold 50,000 operations minimum for silver at 3A @ 125V AC Momentary Action: 1-pole 9.32N; 2-pole 16.18N; 4-pole 25.54N; Alternate Action: 1-pole 4.41N; 2-pole 7.06N; 4-pole 11.77N Slow make, slow break Screw-on Cap (Mom.) Screw-on Cap (Alt.) Snap-on Cap (Mom. & Alt.) .028" (0.71mm) .110" (2.80mm) .125" (3.19mm) .043" (1.09mm) .043" (1.10mm) .050" (1.26mm) .071" (1.80mm) .153" (3.90mm) .175" (4.45mm) Brass w/nickel plating; polyacetal w/B1 bushing Bushing: Brass with nickel plating Stainless steel Case: Diallyl phthalate resin (UL94V-0) Phosphor bronze with silver or gold plating Silver alloy (code W); copper with gold plating (code G); or silver alloy with gold plating (code A) Silver with silver plating (code W); copper or brass with gold plating (code G); or silver with gold plating (code A) Copper or brass with silver plating; copper or brass with gold plating -30C through +85C (-22F through +185F) 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 6 right angled directions, with 5 shocks in each direction) B3 & D3 bushing options equivalent to IP67 1.5Nm (13.0 lb*in) for double nut; .7Nm (6.0 lb*in) for single nut 80.0N (18.0 lbf) maximum downward force on actuator 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 case All models recognized at 6A @ 125V AC or 3A @ 250V AC or 0.4VA max. @ 28V DC max; UL File No. WOYR2.E44145; add "/U" to end of part number to order UL mark on switch C-UL File No. WOYR8.E44145; add "/C-UL" to end of part number to order C-UL mark on switch All models certified at 6A @ 125V AC or 3A @ 250V AC or 0.4VA max. @ 28V max; CSA File No. 023535-0-000; add "/C" to end of part number to order CSA mark on switch.
Other Ratings
Contact Resistance: Insulation Resistance: Dielectric Strength: Mechanical Life: Electrical Life:
Nominal Operating Force: Contact Timing: Plunger Travel: Pretravel: Overtravel: Total Travel
Materials & Finishes
Plunger: Frame: Movable Contactor: Movable Contacts: Stationary Contacts: Terminals:
Environmental Data
Operating Temp Range: Humidity: Vibration: Shock: Sealing:
Installation
Mounting Torque: Cap Installation Force: Soldering Time & Temp: Process Seal:
Standards & Certifications
Flammability Standards: UL & C-UL Recognized:
R
CSA Certified:
NKK Switches * email: sales@nkkswitches.com * Phone (480) 991-0942 * Fax (480) 998-1435 * www.nkkswitches.com
03-07
Large Bushing Miniature Pushbuttons
Series MB2000 D
CAPS
B C D E .315" (8.0mm) Dia. .394" (10.0mm) Dia. .520" (13.2mm) Dia. .748" (19.0mm) Dia.
TYPICAL SWITCH ORDERING EXAMPLE
MB
2011
S
B1
W
01
A
POLES & CIRCUITS
2011 2065 2061 2085 2181 2185 SPDT SPDT DPDT DPDT 4PDT 4PDT ON ON ON ON ON ON (ON) ON (ON) ON (ON) ON
CONTACT MATERIALS & RATINGS
W Silver Rated 6A @ 125V AC & 3A @ 250V AC Gold Rated 0.4VA max @ 28V AC/DC max
G
( ) = Momentary
CAP COLORS TERMINALS
A B C *D *E F *G *H Black White Red Amber Yellow Green Blue Gray
PLUNGER TYPE
S Plunger for Screw-on Caps
01 02 03 05 06
Solder Lug Quick Connect .250" (6.35mm) Straight PC .425" (10.8mm) Wirewrap .750" (19.05mm) Wirewrap .964" (24.5mm) Wirewrap 1.062" (27.0mm) Wirewrap
BUSHINGS
B1 B3 .472" (12.0mm) Threaded with Keyway .472" (12.0mm) Threaded w/Splashproof
07 08
* Not available with cap code E
IMPORTANT:
Switches are supplied without UL, C-UL, & CSA markings unless specified. Specific models & ratings noted on General Specifications page.
DESCRIPTION FOR TYPICAL ORDERING EXAMPLE
MB2011SB1W01-DA
Black .520" (13.2mm) Diameter Cap Plunger for Screw-on Caps .472" (12.0mm) Diameter Threaded Bushing with Keyway Silver Contacts with 6-Amp Rating SPDT ON-(ON) Circuit Solder Lug Terminals
NKK Switches * email: sales@nkkswitches.com * Phone (480) 991-0942 * Fax (480) 998-1435 * www.nkkswitches.com
03-07
Large Bushing Miniature Pushbuttons
POLES & CIRCUITS
Plunger Position ( ) = Momentary Normal Pole Model
Keyway
Series MB2000
Throw & Switch Schematics Note: Terminal numbers are not actually on the switch.
2 (COM) 3 1
Connected Terminals Normal
Keyway
Down
Down
SP
MB2011 MB2065 MB2061 MB2085 MB2181 MB2185
ON ON ON ON ON ON
(ON) ON (ON) ON (ON) ON
2-3
2-1
SPDT
DP
2-3 5-6
2-1 5-4
DPDT
3
2
(COM) 1 6
5 4
4P
2-3 5-6 8-9 11-12
2-1 5-4 8-7 11-10
4PDT
3
2 1 6
5
(COM) 4 9
8 7 12
11 10
PLUNGER TYPE S
Plunger for Screw-on Caps Plunger is plastic for B1 bushing.
(6.4) Dia .252 (5.3) .208 (6.7) Dia .264
Plunger is metal for B3 bushing.
(5.3) .208
On alternate action models, after transferring circuit, the plunger returns to its original position, and does not latch down.
BUSHINGS B1
.472" (12.0mm) Diameter Threaded with Keyway
(1.85) .073 (5.0) .197 (1.1) .043 M12P1
B3
.472" (12.0mm) Diameter Threaded Splashproof
M12P1 (2.0) .079
Maximum Panel Thickness with Standard Hardware: .217" (5.5mm)
Maximum Panel Thickness with Standard Hardware: .217" (5.5mm)
(4.9) .193
(12.0) .472
(18.0) Dia .709
(12.0) .472
Panel Cutouts
(12.5) Dia .492
For B1 Bushing with Keyway
(1.5) .060
(11.5) .453
For B1 Bushing with Optional Locking Ring
(12.5) Dia .492
(9.0) .354 (3.0) Dia .118
For B3 Bushing without Keyway
(12.5) Dia .492
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
Note: Complete explanation of operating range in Supplement section.
NKK Switches * email: sales@nkkswitches.com * Phone (480) 991-0942 * Fax (480) 998-1435 * www.nkkswitches.com 03-07
Large Bushing Miniature Pushbuttons
TERMINALS 01
Solder Lug
Epoxy Seal (2.0) .079 (4.0) .157
Series MB2000
Epoxy Seal (6.35) .250 (1.57) .062 Thk = (0.8) .031
02
.062" (1.57mm) Wide Quick Connect
(2.0) (1.1) .079 .043 Thk = (0.8) .031
03
.250" (6.35mm) Straight PC
3 2
3
(4.8) .189
6 5 4
3
6 5 4
9 8 7
12 11 10
(4.8) Typ .189 (4.7) Typ .185
(4.7) Typ .185 (1.8) Dia Typ .073
2 1
(4.7) Typ .185
2 1
Epoxy Seal
(6.35) (4.8) .250 .189
1
(1.17) .046 Thk = (0.8) .031
(1.8) Dia Typ .073
(1.8) Dia Typ .073
Single Pole
Double Pole
Four Pole
05 06 07 08
.425" (10.8mm) Wirewrap or Extended PC .750" (19.05mm) Wirewrap or Extended PC .964" (24.5mm) Wirewrap or Extended PC 1.062" (27.0mm) Wirewrap or Extended PC
Epoxy Seal
A
(1.27) .050 Thk = (0.8) .031
If using as extended PC terminal, refer to the above footprints. Dimension A = terminal lengths as shown beside the terminal codes at the left.
CAPS & CAP COLORS B
AT078 .315" (8.0mm) Dia. Screw-on Cap
C
AT079 .394" (10.0mm) Dia. Screw-on Cap
D
AT414 .520" (13.2mm) Dia. Screw-on Cap
E
AT412 .748" (19.0mm) Dia. Screw-on Cap
Material: Polystyrene Finish: Glossy Colors Available: ABCEFGH
Material: Polystyrene Finish: Glossy Colors Available: ABCEFGH
(10.0) Dia .394 (6.5) .256 (13.28) .523 (8.0) .315
Material: PBT Finish: Glossy Colors Available: ABCDEFGH
(13.2) Dia .520 (11.0) .433
Material: Polystyrene Finish: Glossy Colors Available: ABCF
(19.0) Dia .748 (12.0) .472 (8.0) .315
(8.0) Dia .315 (11.79) .464
(15.0) .590
Cap Color Codes:
A
Black
B
White
C
Red
D
Amber
E
Yellow
F
Green
G
Blue
H
Gray
03-07
NKK Switches * email: sales@nkkswitches.com * Phone (480) 991-0942 * Fax (480) 998-1435 * www.nkkswitches.com
Large Bushing Miniature Pushbuttons
TYPICAL SWITCH DIMENSIONS
Solder Lug Single Pole
Series MB2000
Keyway
M12P1
(1.1) x (2.0) Dia Typ .043 x .079
(0.8) Typ .031
3
(13.2) Dia .520
(4.7) Typ .185 (4.0) .157 (13.0) .512 (0.5) .020 (4.5) .177
COM
2
(13.0) .512
1
(7.9) .311
(15.0) .590
(12.0) .472
(17.5) .689
(2.0) .079
MB2011SB1W01-DA
Solder Lug
Double Pole
Keyway
M12P1
(1.1) x (2.0) Dia Typ .043 x .079
(0.8) Typ .031
6 3
(13.2) Dia .520
COM
5
2
(4.7) Typ .185 (4.0) .157 (13.0) .512 (0.5) .020 (4.5) .177
(13.0) .512
4
1
(2.0) Typ .079 (4.8) .189
(12.7) .500
(15.0) .590
(12.0) .472
(17.5) .689
MB2061SB1W01-DA
Solder Lug
Four Pole
Keyway
M12P1
(1.1) x (2.0) Dia Typ .043 x .079
(0.8) Typ .031
12 9 8 7 6 5 4 3 2 1
(13.2) Dia .520
COM
11 10
(4.7) Typ .185 (4.0) .157 (13.0) .512 (0.5) .020 (4.5) .177
(13.0) .512
(2.0) Typ .079 (4.8) Typ .189
(22.3) .878
(15.0) .590
(12.0) .472
(17.5) .689
MB2181SB1W01-DA NKK Switches * email: sales@nkkswitches.com * Phone (480) 991-0942 * Fax (480) 998-1435 * www.nkkswitches.com 03-07
Large Bushing Miniature Pushbuttons
HARDWARE
Standard Hardware for B1 Bushing AT503M Hex Face Nut Material: Brass with Chrome plating AT508 Lockwasher Material: Steel with Zinc/Chromate AT527M Hex Nut Material: Steel with Nickel plating
Series MB2000
AT506M Locking Ring Material: Steel with Zinc/Chromate
M12 P1
(12.1) .476
(12.1) Dia .476 M12 P1
(14.0) .551
(15.8) Dia .622
(14.0) .551
(2.8) .110 (11.5) .453
(18.2) Dia .717
(13.8) Dia .543
(16.0) .630
(2.4) .094
(1.0) .039
(0.5) .020
(16.0) .630
(2.0) .079
(2.8) .110
(9.5) .374
(1.0) .039
Standard Hardware for B3 Bushing AT503M Hex Face Nut Material: Brass with Chrome plating AT401P O-ring Material: Natural rubber
(12.1) Dia .476 (17.5) Dia .689
M12 P1
(14.0) .551
(16.0) .630
(2.4) .094
(1.5) .059
Optional Splashproof Boot for B1 Bushing AT4043 Splashproof Boot Material: Silicone Rubber Operating Life: 10,000 for momentary 30,000 for alternate action When using a splashproof boot, no cap is required.
(10.7) .421 (9.0) .354
(18.0) Dia .709 (12.6) Dia .496 (9.6) Dia .378
M12 P1
(4.0) Max .157 (3.5) Min .138
NKK Switches * email: sales@nkkswitches.com * Phone (480) 991-0942 * Fax (480) 998-1435 * www.nkkswitches.com
03-07
Large Bushing Miniature Pushbuttons
Series MB2000
CUSTOM ASSEMBLY ORDERING EXAMPLE
The MB2000 pushbutton series offers flexibility to accommodate a variety of applications. Using a basic large bushing model, different accessories can be assembled onto the switch to achieve the mounting variations shown on the following two pages. These switches have: * 12mm diameter threaded bushing with keyway * Silver contacts * 6-Amp rating * Solder lug terminals Other 12mm bushing options can be used; see details in preceding Large Bushing Ordering tables.
MB2011
POLES & CIRCUITS
2011 2065 2061 2085 SPDT SPDT DPDT DPDT ON ON ON ON (ON) ON (ON) ON
SB1W01
MOUNTER SHAPES FOR SHROUD
4 5 Round Rectangular
4
C
A
MOUNTER COLORS FOR SHROUD
A B H Black White Gray
CAP COLORS FOR SHROUD
A B C F G H Black White Red Green Blue Gray
4-pole available for shroud types 4 & 5 ( ) = Momentary
See custom assemblies on following pages.
MOUNTER SHAPE FOR SNAP-IN
6 Round (for 1- and 2-pole only)
CAP COLORS FOR SNAP-IN
A B C F Black White Red Green
MOUNTER COLOR FOR SNAP-IN
A Black
MB2011SB1W01-4C-A
Round Shroud
MB2011SB1W01-5C-A
Rectangular Shroud
MB2011SB1W01-6C-A
03-07
Snap-in Mounter
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Large Bushing Miniature Pushbuttons
MOUNTER SHAPES FOR SHROUDS 4
AT455 Round
Series MB2000
5
AT453 Rectangular
Material: Polycarbonate Colors: A B H
Material: Polycarbonate Colors: A B H
CAPS & CAP COLORS FOR SHROUDS
AT454 Round Insert Cap AT452 Rectangular Insert Cap
Material: Polycarbonate Colors: A B C F G H
Material: Polycarbonate Colors: A B C F G H
AT080 Screw Adaptor for Insert Caps Material: Brass
MOUNTER SHAPE FOR SNAP-IN 6
AT528 Round
Material: Glass fiber reinforced polyamide Color: A
CAP & CAP COLORS FOR SNAP-IN MOUNTER
AT412 Screw-on Cap Material: Polystyrene Colors: A B C F
Color Codes:
A
Black
B
White
C
Red
F
Green
G
Blue
H
Gray
03-07
NKK Switches * email: sales@nkkswitches.com * Phone (480) 991-0942 * Fax (480) 998-1435 * www.nkkswitches.com
Large Bushing Miniature Pushbuttons
Series MB2000
Keyway M12P1 (1.1) x (2.0) Typ .043 x .079 (0.8) Typ .031
CUSTOM ASSEMBLY WITH ROUND SHROUD
(17.7) Dia .697
(4.7) Typ .185
(18.4) Dia .724 (22.0) Dia .866 (24.0) Dia .945
(2.0) .079 (14.0) .551
(13.0) .512 (27.5) 1.083
(0.5) .020 (4.5) .177
MB2011SB1W01-4C-A
Single Pole
Double Pole
(12.5) Dia .492
6 3 2 1
3
COM
2 1
(13.0) .512
COM
5 4
(13.0) .512 (1.5) .060 (2.0) Typ .079
(11.5) .453
(2.0) .079 (7.9) .311 (12.7) .500
(4.8) .189
Effective Panel Thickness: .217" (5.5mm) maximum
CUSTOM ASSEMBLY WITH RECTANGULAR SHROUD
Keyway M12P1 (1.1) x (2.0) Typ .043 x .079 (0.8) Typ .031
(24.6) .969
(20.1) .791
(26.2) 1.031
(19.4) .764 (4.7) Typ .185
(16.1) .634 (20.6) .811
(2.0) .079 (21.0) .827 (14.0) .551
MB2011SB1W01-5C-A
(13.0) .512 (27.5) 1.083
(0.5) .020 (4.5) .177
Single Pole
Double Pole
(12.5) Dia .492 (13.0) .512 (1.5) .060 (2.0) Typ .079 (4.8) .189 (12.7) .500 (11.5) .453
3
COM
6
3 2 1
2 1
(13.0) .512
COM
5 4
(2.0) .079 (7.9) .311
Effective Panel Thickness: .217" (5.5mm) maximum
NKK Switches * email: sales@nkkswitches.com * Phone (480) 991-0942 * Fax (480) 998-1435 * www.nkkswitches.com
03-07
Large Bushing Miniature Pushbuttons
Series MB2000
(1.1) x (2.0) Typ .043 x .079 (0.8) Typ .031
CUSTOM ASSEMBLY WITH SNAP-IN MOUNTER
Guide
(4.7) Typ .185 (0.5) .020 (19.0) Dia .748 (25.8) Dia 1.016 (0.76) .030 (1.6) .063 (18.5) .728 (4.8) .189 (17.5) .689 (4.5) .177
MB2011SB1W01-6C-A
Single Pole
(1.0) R .039 (12.4) .488
COM
Double Pole
(23.0) Dia .906
(23.0) Dia .906
3 2 1
6
3 2 1
(13.0) .512
COM
5 4
(13.0) .512
(23.3) Dia .917 (2.0) .079 (2.0) Typ .079 (4.8) .189
Panel Thickness Range: .039" ~ .157" (1.0 ~ 4.0mm)
(7.9) .311
(12.7) .500
NKK Switches * email: sales@nkkswitches.com * Phone (480) 991-0942 * Fax (480) 998-1435 * www.nkkswitches.com
03-07

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