MB2521S4W01 NKK Switches, MB2521S4W01 Datasheet - Page 4
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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
Snap-Action Bushing Mount Pushbuttons
Pole
AT513M Threaded
Hex Nut
2 included
with each switch
Brass with
nickel plating
SP
DP
W
G
S4
Silver over Silver
Gold over Brass or Copper
MB2511
MB2521
Model
.315” (8.0mm)
Threaded with Keyway
Without Keyway
(6.5) Dia
.256
.059
(1.5)
Standard Hardware
Normal
(8.0)
.315
ON
ON
( ) = Momentary
Plunger Position
Keyway
.354
(9.0)
Maximum Panel Thickness with Standard Hardware: .134” (3.4mm)
M6 P0.75
Note: Complete explanation of operating range in Supplement section.
CONTACT MATERIALS & RATINGS
Down
(ON)
(ON)
AT509
Lockwasher
1 included
with each switch
Steel with
zinc/chromate
(8.0)
.315
Power Level
Logic Level
.024
(0.6)
POLES & CIRCUITS
3-1 6-4
Normal
(6.5) Dia
.256
BUSHING
Panel Cutouts
With Keyway
Connected Terminals
3-1
Keyway
(3.0)
.118
www.nkk.com
.307
(7.8)
.024
(0.6)
.220
(5.6)
(0.5)
.020
(8.0)
3-2 6-5
.315
Down
3-2
M6 P0.75
(10.2) Dia
.402
(6.4) Dia
.252
(0.8)
.031
3A @ 125V AC
0.4VA maximum @ 28V AC/DC maximum
SPDT
DPDT
Series MB2500
AT507M
Locking Ring
Steel with
zinc/chromate
Note: Terminal numbers are
Throw & Switch Schematics
With Optional Locking Ring
not actually on the switch.
1
Optional Hardware
(6.5) Dia
.256
(2.2) Dia
.087
1
3
(COM)
.250 Dia
or 6.0mm
2
.079
(2.0)
3
4
(COM)
2
6
(6.5)
.256
(0.8)
.031
.035
(0.9)
5
(12.0) Dia
.472
(5.5) or
.229
C119
C