MB2521S4W01 NKK Switches, MB2521S4W01 Datasheet

Pushbutton Switches DPDT ON(ON) 3A QUICK CONNECT SLDR

MB2521S4W01

Manufacturer Part Number

MB2521S4W01

Description

Pushbutton Switches DPDT ON(ON) 3A QUICK CONNECT SLDR

Manufacturer

NKK Switches

Series

MB2500r

Type

Snap-Action Bushing Mount Pushbuttonsr

Datasheet

1.MB2511S4G03.pdf (5 pages)

Specifications of MB2521S4W01

Contact Form

DPDT

Switch Function

ON - (ON)

Contact Rating

3 Amps at 125 Volts

Termination Style

Solder Lug

Actuator

Plunger

Supply Voltage

125 Volts

Mounting Style

Quick Connect

Contact Plating

Silver

Contact Material

Copper

Illumination

Not Illuminated

Features

Short stroke and light touch; snap-acting mechanism gives smooth actuation, audible feedback

Mounting Angle

Vertical

Operating Force

3.92 N

Lead Free Status / Rohs Status

Lead free / RoHS Compliant

Other names

MB-2521

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General

Series MB2500

Electrical Capacity (Resistive Load)

Other Ratings

Materials & Finishes

Applicable Environment

Installation

Processing

Standards & Certifications

C116

Logic/Power Level (code A):

Nominal Operating Force:

Mounting & Body Frames:

Flammability Standards:

Operating Temp Range:

Power Level (code W):

Cap Installation Force:

Insulation Resistance:

Logic Level (code G):

Stationary Contacts:

Movable Contactor:

Contact Resistance:

Dielectric Strength:

Movable Contacts:

Mounting Torque:

Support Bracket:

Mechanical Life:

Electrical Life:

Terminals:

Soldering:

Vibration:

Humidity:

Cleaning:

Bushing:

Plunger:

Travel:

Shock:

Case:

Base:

CSA:

UL :

3A @ 125V AC

0.4VA maximum @ 28V AC/DC maximum

(Applicable Range 0.1mA ~ 0.1A @ 20mV ~ 28V)

Combines W & G ratings

Note: See Supplement section to find explanation of operating range.

20 milliohms maximum for silver; 30 milliohms maximum for gold

1,000 megohms minimum @ 500V DC

1,000V AC minimum between contacts for 1minute minimum;

1,500V AC minimum between contacts & case for 1minute minimum

200,000 operations minimum

25,000 operations minimum for silver; 100,000 operations minimum for gold

Single pole 2.45N; double pole 3.92N

Pretravel .024” (0.6mm); Overtravel .016” (0.4mm); Total Travel .039” (1.0mm)

Brass with nickel plating

Stainless steel

Brass with tin plating

Glass fiber reinforced polyester (UL94V-0)

Diallyl phthalate resin

Phosphor bronze with silver or gold plating

Silver alloy (code W); copper with gold plating (code G)

Silver with silver plating (code W); copper or brass with gold plating (code G)

Copper with silver plating; copper or brass with gold plating

–30°C through +85°C (–22°F through +185°F)

90 ~ 95% humidity for 100 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

1.5Nm (13 lb

80N (18 lbf) maximum downward force on actuator

Wave Soldering Recommended: See Profile B in Supplement section.

Manual Soldering: See Profile B in Supplement section.

These devices are not process sealed. Hand clean locally using alcohol based solution.

UL94V-0 Case

File No. E44145

All single & double pole models recognized at 3A @ 125V AC or 0.4VA max. @ 28V AC/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

Single pole & double pole models certified at 3A @ 125V AC or 0.4VA max. @ 28V AC/DC max.

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

Specifications

•

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

in) for double nut; 0.7Nm (6 lb

www.nkk.com

•

in) for single nut

Snap-Action Pushbuttons

Related parts for MB2521S4W01

MB2521S4W01 Summary of contents

Page 1

... Single pole & double pole models certified 125V AC or 0.4VA max. @ 28V AC/DC max. Add “/C” to end of part number to order CSA mark on switch. C116 ) acceleration (tested in 6 right angled directions, with 5 shocks in each direction) 2 in) for double nut; 0.7Nm (6 lb in) for single nut • • www.nkk.com Snap-Action Pushbuttons ...

Page 2

... Snap-Action Pushbuttons Distinctive Characteristics Short stroke and light touch. Antijamming design protects contacts from damage due to excessive downward force on the actuator. High torque bushing construction prevents rotation or separation from frame during installation. Stainless steel frame resists corrosion. Longer center solder lug terminal simplifies wiring and soldering ...

Page 3

... Switches are supplied without UL, cULus, & CSA markings unless specified. Specific models & ratings noted on General Specifications page. Red .315” (8.0mm) SPDT ON-(ON) Circuit Silver Contacts with C118 Snap-Action Bushing Mount Pushbuttons TYPICAL SWITCH ORDERING EXAMPLE S4 W Contact Materials & Ratings Silver W ...

Page 4

... Snap-Action Bushing Mount Pushbuttons Plunger Position ( ) = Momentary Normal Pole Model Keyway SP MB2511 ON DP MB2521 ON .315” (8.0mm) S4 Threaded with Keyway Without Keyway (6.5) Dia .256 Maximum Panel Thickness with Standard Hardware: .134” (3.4mm) Standard Hardware AT513M Threaded Hex Nut (8. ...

Page 5

... Material: Polycarbonate .346 Finish: Glossy Cap Colors A Available: Black Solder Lug Keyway (13.0) .512 MB2511S4W01-BC Solder Lug Keyway (13.0) .512 MB2521S4W01-BC C120 Snap-Action Bushing Mount Pushbuttons TERMINALS .250” (6.35mm) 03 Straight PC (4.0) .157 (2.0) .079 Epoxy Seal (1.1) (4.8) .043 .189 ...

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