Download Specifications

Series MB2500
Toggles
General Specifications
Slides
Rotaries
Keylocks
Programmable Illuminated PB
Pushbuttons
Rockers
Electrical Capacity (Resistive Load)
C
Power Level (code W):
Logic Level (code G): Logic/Power Level (code A):
Other Ratings
Contact Resistance: Insulation Resistance: Dielectric Strength: Mechanical Life: Electrical Life: Nominal Operating Force: Travel: Materials & Finishes
Plunger:
Bushing:
Mounting & Body Frames:
Support Bracket:
Case:
Base:
Movable Contactor:
Movable Contacts:
Stationary Contacts:
Terminals:
Tilt
Tactiles
Environmental Data
Operating Temp Range: Humidity: Vibration: Shock: Touch
Indicators
Accessories
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
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/s2) acceleration (tested in 6 right angled directions, with 5 shocks in each direction)
Installation
Supplement
Snap-Action Pushbuttons
Mounting Torque: 1.5Nm (13 lb•in) for double nut; 0.7Nm (6 lb•in) for single nut
Cap Installation Force: 80N (18 lbf) maximum downward force on actuator
Processing
Soldering: Wave Soldering Recommended: See Profile B in Supplement section.
Manual Soldering: See Profile B in Supplement section.
Cleaning: These devices are not process sealed. Hand clean locally using alcohol based solution.
Standards & Certifications
Flammability Standards: UL94V-0 Case
UL : File No. E44145 - Recognized only when ordered with marking on switch.
Add “/U” or “/CUL” before dash in part number to order UL recognized switch.
All single & double pole models recognized at 3A @ 125V AC or 0.4VA max. @ 28V AC/DC max.
CSA: File No. 023535_0_000 - Certified only when ordered with marking on switch.
Add “/C” before dash in part number to order CSA certified switch.
Single pole & double pole models certified at 3A @ 125V AC or 0.4VA max. @ 28V AC/DC max.
C116
www.nkk.com
Series MB2500
Snap-Action Pushbuttons
Short stroke and light touch.
Antijamming design protects contacts from damage due
to excessive downward force on the actuator.
C
Programmable Illuminated PB
High torque bushing construction prevents rotation or
separation from frame during installation.
Pushbuttons
Rockers
Toggles
Distinctive Characteristics
Stainless steel frame resists corrosion.
Keylocks
Longer center solder lug terminal
simplifies wiring and soldering.
Patented silver contacts of specially
composed alloy for hardness.
Rotaries
Epoxy sealed terminals prevent entry
of solder flux and other contaminants.
Slides
Snap-acting mechanism gives smooth
actuation and audible feedback.
Bushing Mount
Page C118
Bracket PC Mount
Page C121
Snap-in Mount Page C124
Touch
Tilt
Tactiles
Prominent external insulating barriers increase
insulation resistance and dielectric strength.
www.nkk.com
C117
Supplement
Accessories
Indicators
Actual Size
Toggles
Series MB2500
TYPICAL SWITCH ORDERING EXAMPLE
C
11
S4
Poles & Circuits
Programmable Illuminated PB
Pushbuttons
Rockers
MB25
11
SPDT
ON
(ON)
21
DPDT
ON
(ON)
W
Contact Materials
& Ratings
B
Silver
Rated 3A @ 125V AC
G
Gold
Rated 0.4VA max @
28V AC/DC max
B
.315” (8.0mm)
Diameter
C
.394” (10.0mm)
Diameter
Terminals
Bushing
.315” (8.0mm)
Threaded with Keyway
Solder Lug
A
Black
03
.250” (6.35mm)
Straight PC
B
White
C
Red
E
Yellow
F
Green
G
Blue
Slides
Tilt
Tactiles
Switches are supplied without UL, cULus & CSA marking unless specified.
UL, cULus & CSA recognized only when ordered with marking on the switch.
Specific models, ratings, & ordering instructions are noted on the General
Specifications page.
Touch
DESCRIPTION FOR TYPICAL ORDERING EXAMPLE
Indicators
MB2511S4W01-BC
Red .315” (8.0mm)
Diameter Cap
SPDT ON-(ON) Circuit
Accessories
Cap Colors
01
IMPORTANT:
Supplement
Silver Contacts with
3-Amp Rating
C118
C
Caps
W
( ) = Momentary
S4
01
Rotaries
Keylocks
Snap-Action Bushing Mount Pushbuttons
www.nkk.com
.315” (8.0mm) Threaded
Bushing with Keyway
Solder Lug Terminals
Series MB2500
Toggles
Snap-Action Bushing Mount Pushbuttons
POLES & CIRCUITS
Normal
Down
Note: Terminal numbers are
not actually on the switch.
Pole
Model
SP
MB2511
ON
(ON)
3-1
3-2
SPDT
DP
MB2521
ON
(ON)
3-1 6-4
3-2 6-5
DPDT
Keyway
Rockers
Down
Throw & Switch Schematics
Keyway
3 (COM)
3 (COM)
1
C
2
2
Programmable Illuminated PB
1
6
4
5
BUSHING
S4
.315” (8.0mm)
Threaded with Keyway
(0.6)
.024
(2.85) Dia
.112
M6 P0.75
Keylocks
(8.0)
.315
(8.0)
.315
(0.8)
.031
Rotaries
(7.8)
.307
Panel Cutouts
With Optional Locking Ring
Slides
With Keyway
(5.6)
.220
(6.5) Dia
.256
(6.5) Dia
.256
(6.5)
.256
(6.5) Dia
.256
(2.2) Dia
.087
(0.6)
.024
Tactiles
Without Keyway
Maximum Panel Thickness with Standard Hardware: .134” (3.4mm)
AT509
Lockwasher
(8.0)
.315
2 included
with each switch
AT507M
Locking Ring
(6.4) Dia
.252
M6 P0.75
1 included
with each switch
(1.5)
.059
(9.0)
.354
Brass with 
nickel plating
Steel with
zinc/chromate
(10.2) Dia
.402
Steel with
zinc/chromate
(0.5)
.020
(0.9)
.035
(2.0)
.079
Tilt
AT513M Threaded
Hex Nut
Optional Hardware
(5.5) or
.229
.250 Dia
or 6.0mm
(0.8)
.031
(12.0) Dia
.472
Indicators
Standard Hardware
Power Level
3A @ 125V AC
G
Gold over Brass or Copper
Logic Level
0.4VA maximum @ 28V AC/DC maximum
Supplement
Silver over Silver
Accessories
CONTACT MATERIALS & RATINGS
W
Note: Complete explanation of operating range in Supplement section.
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Touch
Normal
Connected Terminals
Pushbuttons
Plunger Position
( ) = Momentary
C119
Series MB2500
Toggles
Snap-Action Bushing Mount Pushbuttons
TERMINALS
Rotaries
Keylocks
Programmable Illuminated PB
Pushbuttons
Rockers
01
.250” (6.35mm)
Straight PC
03
Solder Lug
(4.0)
.157
Epoxy Seal
(2.0)
.079
(2.0)
(1.1) .079
.043
Thk = (0.8)
.031
C
(4.8)
.189
3
2
(6.35)
(4.8) .250
.189
Epoxy Seal
(4.7) Typ
.185
3
6
2
5
1
4
1
(1.8) Dia Typ
.073
(1.17)
.046
Thk = (0.8)
.031
(4.7) Typ
.185
(1.8) Dia Typ
.073
Single Pole
Double Pole
CAPS & CAP COLORS
B
AT443
.315” (8.0mm) Diameter Cap
C
AT442
.394” (10.0mm) Diameter Cap
(8.0) Dia
.315
(7.6)
.299
(8.8)
.346
Material: Polycarbonate
(10.0) Dia
.394
Finish: Glossy
Cap Colors
Available:
(9.0)
.354
Material: Polycarbonate
(8.0)
.315
Finish: Glossy
A
Black
B
White
C
E
Red
F
Yellow
Green
G
Blue
Solder Lug
Single Pole
Keyway
Tactiles
Slides
TYPICAL SWITCH DIMENSIONS
(8.0) Dia
.315
(2.85) Dia
.112
(1.2)
.047
M6 P0.75
(13.0)
.512
(1.1) x (2.0) Typ
.043 x .079
(0.8) Typ
.031
(4.7) Typ
.185
3
COM
2
NO
1
NC
Tilt
(4.0)
.157
(8.8)
.346
(8.8)
.346
(2.0)
.079
(0.8)
(4.5)
.031
.177
(14.0)
.552
(7.9)
.311
Solder Lug
Indicators
Touch
MB2511S4W01-BC
Keyway
(8.0) Dia
.315
(2.85) Dia
.112
(1.2)
.047
M6 P0.75
(13.0)
.512
Accessories
Supplement
Double Pole
(4.7) Typ
.185
(8.8)
.346
MB2521S4W01-BC
C120
(1.1) x (2.0) Typ
.043 x .079
(0.8) Typ
.031
www.nkk.com
(8.8)
.346
(0.8)
(4.5)
.031
.177
(14.0)
.552
6
3
COM
5
2
NO
4
1
(4.0)
.157
(4.8)
.189
(12.7)
.500
NC
(2.0) Typ
.079
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