Series MB2000

Bracket PC Mount Miniature Pushbuttons

C81

C

www.nkkswitches.com

Plunger Position

( ) = Momentary

Connected Terminals

Throw & Switch Schematics

Pole

Model

Normal

Down

Normal

Down

Note: Terminal numbers are

not actually on the switch.

SP

MB2011

MB2065

ON

ON

(ON)

ON

2-3

2-1

SPDT

DP

MB2061

MB2085

ON

ON

(ON)

ON

2-3 5-6

2-1 5-4

DPDT

4P

MB2181

MB2185

ON

ON

(ON)

ON

2-3 5-6

8-9 11-12

2-1 5-4

8-7 11-10

4PDT

POLES & CIRCUITS

Keyway

Keyway

PLUNGER TYPE

On alternate action models, after transferring circuit, the plunger returns to its original position and does not latch down.

Plunger for Screw-on Caps

Momentary

Plunger Length

S

2 (COM)

1

3

4

6

1

3

25

(COM)

11

10

12

7

9

4

6

1

3

2

58

(COM)

Momentary

Cap Location

Alternate

Plunger Length

Alternate

Cap Location

.335” (8.5mm)

Threaded with Keyway

BUSHINGS

.335” (8.5mm)

Smooth with Keyway

S2

S1

.200” (5.08mm)

Smooth with Keyway

A2

For S2, S1, or A2 Bushing

with Keyway

Maximum Panel Thickness with

Standard Hardware: .154” (3.9mm)

Panel Cutouts

With Optional

Locking Ring

(2.5)

.098

(9.0) Dia

.354

(0.8)

.031

(2.5)

.098

(9.0) Dia

.354

(0.8)

.031

(2.5)

.098

(9.0) Dia

.354

(0.8)

.031

(5.08)

.200

(3.0)

.118

(6.2) Dia

.244

(8.5)

.335

(3.5)

.138

(6.2) Dia

.244

(8.5)

.335

(3.5)

.138

1/4-40 Thd

(2.9)

.114

(4.7)

.185

(2.9)

.114

(3.0)

.118

(4.0)

.157

(2.3)

.091

Only available in part numbers

MB2011SA2W31 & MB2011SA2G31

Standard hardware: 2 hex nuts (AT513H)

& 1 lockwasher (AT509)

Optional hardware: Locking ring (AT507)

(6.5) Dia

.256

(5.8)

.228

(0.6)

.024

(6.5) Dia

.256

(6.1)

.240

(2.2) Dia

.087