MB2521S2W45 NKK Switches, MB2521S2W45 Datasheet - Page 2

• Manufacturer Part Number: MB2521S2W45
• Description: Pushbutton Switches DPDT ON(ON) 3A Panel VERTICAL
• Manufacturer: NKK Switches
• Series: MB2500r
• Type: Snap-Action Bracket PC Mount Pushbuttonsr

Specifications of MB2521S2W45

• Contact Form: DPDT
• Switch Function: ON - (ON)
• Contact Rating: 3 Amps at 125 Volts
• Termination Style: Vertical PC
• Actuator: Plunger
• Supply Voltage: 125 Volts
• Mounting Style: Panel
• 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-2521V1

C
Series MB2500
C122
Pole
SP
DP
13
W
G
S2
3
2
1
.059
.073
(1.5) Dia Typ
(1.8) Dia Typ
.063
(1.6) Typ
Silver over Silver
Gold over Brass or Copper
MB2511
MB2521
.250” (6.35mm) Terminal
with .465” (11.8mm) Bracket
(7.9) Typ
.311
(4.7) Typ
.185
.300” (7.6mm)
Smooth with Keyway
Model
3
2
1
C L
Normal
.063
(1.6) Typ
5
4
6
ON
ON
.073
.059
(1.8) Dia Typ
(1.5) Dia Typ
( ) = Momentary
.095
Plunger Position
Keyway
(2.4) Typ
(7.9) Typ
.311
(4.7) Typ
.185
Note: Complete explanation of operating range in Supplement section.
CONTACT MATERIALS & RATINGS
Down
(ON)
(ON)
Power Level
Logic Level
.024
(0.6)
30
POLES & CIRCUITS
(8.0)
.315
www.nkk.com
3
Right Angle PC
Single Pole only
3-1 6-4
Normal
TERMINALS
BUSHING
Connected Terminals
2
3-1
(3.0)
.118
(2.54) Typ
.100
(4.7) Typ
.185
Keyway
Snap-Action Bracket PC Mount Pushbuttons
(1.8) Dia Typ
.073
1
(12.7)
.500
(7.8)
.307
.244
(6.2) Dia
.300
(7.6)
3-2 6-5
Down
3-2
(0.9)
.035
3A @ 125V AC
0.4VA maximum @ 28V AC/DC maximum
(2.54) Typ
(2.54) Typ
.100
.100
SPDT
DPDT
45
Note: Terminal numbers are
Throw & Switch Schematics
3
Vertical PC
2
1
(12.7)
.500
not actually on the switch.
(1.8) Dia Typ
.073
1
1
(6.5) Dia
.256
3
Panel Cutout
(COM)
(2.54) Typ
.100
2
(2.54) Typ
.100
3
4
(COM)
2
6
.024
(0.6)
(4.8)
.189
3
2
1
.220
(5.6)
6
5
4
(12.7)
.500
5
.073
(1.8) Dia Typ