MB2521S4W01 NKK Switches, MB2521S4W01 Datasheet - Page 4

• 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

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