MB2181SB1W01-RO NKK Switches, MB2181SB1W01-RO Datasheet

MB2181SB1W01-RO

Manufacturer Part Number

MB2181SB1W01-RO

Description

Pushbutton Switches 4PDT ON-(ON) SLDR

Manufacturer

NKK Switches

Type

Large Bushing Miniature Pushbuttonsr

Series

MB2000r

Datasheet

1.AT528A.pdf (10 pages)

Specifications of MB2181SB1W01-RO

Contact Form

4PDT

Contact Rating

0.4 Volt-Amp at 28 VoltsAC/DC

Actuator

Plunger, without Cap

Supply Voltage

28 VoltsAC/DC

Mounting Style

Panel

Terminal Seal

Epoxy

Contact Plating

Silver

Contact Material

Silver

Illumination

Not Illuminated

Flammability Rating

UL 94 V-0

Dielectric Strength

1000 VoltsAC

Features

Guide interlocked with actuator block prevents window locking

Housing Material

Diallyl Phthalate Resin

Insulation Resistance

1000 MOhms

Mounting Angle

Straight

Operating Force

25.54 N

Switch Function

ON - (ON)

Termination Style

Solder Lug

Lead Free Status / RoHS Status

Lead free / RoHS Compliant

Other names

633-MB218107 MB2181SB1W01 NEW

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General

Series MB2000

Electrical Capacity (Resistive Load)

Other Ratings

Materials & Finishes

Environmental Data

Installation

Standards & Certifications

C72

Nominal Operating Force:

Flammability Standards:

Operating Temp Range:

Soldering Time & Temp:

Cap Installation Force:

Insulation Resistance:

Stationary Contacts:

Power Level (silver):

Movable Contactor:

Contact Resistance:

Logic/Power Level:

Dielectric Strength:

Movable Contacts:

Logic Level (gold):

Mounting Torque:

(gold over silver)

Mechanical Life:

Contact Timing:

Plunger Travel:

Electrical Life:

Process Seal:

Overtravel:

Total Travel

Terminals:

Vibration:

Pretravel:

Humidity:

Plunger:

Sealing:

Frame:

Shock:

CSA:

UL:

Specifications

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 silver & gold 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.)

.028” (0.71mm)

.043” (1.09mm)

.071” (1.80mm)

Brass w/nickel plating; polyacetal w/B1 bushing

Stainless steel

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

–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

B3 & D3 bushing options equivalent to IP67

1.5Nm (13.0 lb

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

File No. E44145

All models recognized at 6A @ 125V AC or 3A @ 250V AC or 0.4VA max. @ 28V DC max.

Add “/U” to end of part number to order UL mark on switch.

Add “/CUL” to end of part number to order cULus mark on switch.

File No. 023535_0_000

All models certified at 6A @ 125V AC or 3A @ 250V AC or 0.4VA max. @ 28V max.

Add “/C” to end of part number to order CSA mark on switch.

) acceleration (tested in 6 right angled directions, with 5 shocks in each direction)

•

in) for double nut; .7Nm (6.0 lb

www.nkk.com

Screw-on Cap (Alt.)

.110” (2.80mm)

.043” (1.10mm)

.153” (3.90mm)

•

in) for single nut

Bushing:

Case:

Snap-on Cap (Mom. & Alt.)

.125” (3.19mm)

.050” (1.26mm)

.175” (4.45mm)

Miniature Pushbuttons

Brass with nickel plating

Diallyl phthalate resin (UL94V-0)

Related parts for MB2181SB1W01-RO

MB2181SB1W01-RO Summary of contents

Page 1

... Miniature Pushbuttons Snap-on Cap (Mom. & Alt.) .125” (3.19mm) .050” (1.26mm) .175” (4.45mm) Brass with nickel plating Diallyl phthalate resin (UL94V-0) ...

... Miniature Pushbuttons 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. ...

Page 3

... Large Bushing Miniature Pushbuttons TYPICAL SWITCH ORDERING EXAMPLE MB 2011 Poles & Circuits 2011 SPDT ON (ON) 2065 SPDT ON ON 2061 DPDT ON (ON) 2085 DPDT ON ON 2181 4PDT ON (ON) 2185 4PDT Momentary Plunger Type S Plunger for Screw-on Caps Bushings .472” (12.0mm) B1 Threaded with Keyway .472” ...

Page 4

... For B1 Bushing (11.5) with Keyway .453 (1.5) .060 W Silver over Silver G Gold over Brass or Copper Note: Complete explanation of operating range in Supplement section. C88 Large Bushing Miniature Pushbuttons POLES & CIRCUITS Connected Terminals Down Normal Down Keyway (ON) 2-3 2-1 ON (ON) 2-3 5-6 ...

Page 5

... Large Bushing Miniature Pushbuttons 01 Solder Lug Epoxy Seal (2.0) .079 Thk = (0.8) .031 .250” (6.35mm) 03 Straight PC (6.35) Epoxy Seal (4.8) .250 .189 (1.17) .046 Thk = (0.8) .031 .425” (10.8mm) 05 Wirewrap or Extended PC .750” (19.05mm) 06 Wirewrap or Extended PC .964” (24.5mm) ...

Page 6

... Series MB2000 Solder Lug C (7.9) .311 MB2011SB1W01-DA Solder Lug (12.7) .500 MB2061SB1W01-DA Solder Lug (22.3) .878 MB2181SB1W01-DA C90 Large Bushing Miniature Pushbuttons TYPICAL SWITCH DIMENSIONS Single Pole (1.1) x (2.0) Dia Typ Keyway M12P1 .043 x .079 (13.2) Dia .520 (4.0) .157 (15.0) (12 ...

Page 7

... Large Bushing Miniature Pushbuttons AT503M AT508 Hex Face Nut Lockwasher Material: Material: Brass with Chrome plating Steel with Zinc/Chromate M12 P1 (14.3) .563 (16.0) (2.4) (1.0) .630 .094 .039 AT503M Hex Face Nut Material: Brass with Chrome plating AT4043 Splashproof Boot Material: Silicone Rubber ...

Page 8

... 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: C Other 12mm bushing options can be used; see details in preceding Large Bushing Ordering tables. ...

Page 9

... Large Bushing Miniature Pushbuttons 4 AT455 Round Material: Polycarbonate Colors CAPS & CAP COLORS FOR SHROUDS AT454 Round Insert Cap Material: Polycarbonate Colors AT080 Screw Adaptor for Insert Caps Material: Brass A B Black White MOUNTER SHAPES FOR SHROUDS 5 AT453 Rectangular Material: Polycarbonate ...

Page 10

... CUSTOM ASSEMBLY WITH RECTANGULAR SHROUD MB2011SB1W01-5C-A Single Pole 3 2 (13.0) COM .512 1 (2.0) .079 (7.9) .311 C94 Large Bushing Miniature Pushbuttons (18.4) Dia .724 (22.0) Dia .866 (24.0) Dia .945 Double Pole 6 3 (13. COM .512 1 4 (2.0) Typ ...

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