Series MR

Toggles

Miniature Power Level Rotaries

Rockers

General

Specifications

Electrical Capacity (Resistive Load)

For MRX:

For MRY:

For MRT:

2A @ 125V AC or 1A @ 30V DC

For MRY106G: 0.4VA maximum @ 28V AC/DC maximum

(Applicable Range 0.1mA ~ 0.1A @ 20mV ~ 28V)

Note: See Supplement Index to find explanation of operating range.

For all other MRY models: 3A @ 125V AC or 2A @ 30V DC

For MRT22: 10A @ 125V AC or 4A @ 30V DC

For MRT23: 5A @ 125V AC or 3A @ 30V DC

Programmable Illuminated PB

Pushbuttons

Other Ratings

Contact Resistance:

Insulation Resistance:

Keylocks

Dielectric Strength:

Mechanical Life:

Electrical Life:

Range of Operating Torque:

Contact Timing:

Indexing:

10 milliohms maximum for MRX, MRY, & MRT; 20 milliohms maximum for MRY106G

100 megohms minimum @ 500V DC for MRX & MRY

200 megohms minimum @ 500V DC for MRT

1,000V AC minimum for 1 minute minimum

15,000 operations minimum

7,500 operations minimum

0.03 ~ 0.15Nm for MRX; 0.02 ~ 0.10Nm for MRY; 0.02 ~ 0.05Nm for MRT

Nonshorting (break-before-make)

MRX: Self-cleaning, sliding contact; MRY: Rotary contactor dish; MRT: Butt contacts

45° for MRX; 60° for MRY; 120° for MRT22; 60° for MRT23

Rotaries

G

Materials & Finishes

Slides

Shaft:

Stopper Plate:

Bushing/Housing:

Movable Contacts:

End Contacts & Terminals:

Tactiles

Common Contacts & Terminals:

Base:

Brass with nickel plating

Steel with zinc plating for MRX & MRY

Brass with nickel plating

Silver alloy for MRX & MRT; copper with silver plating for MRY106;

copper with gold plating for MRY106G

Silver alloy & copper with silver plating for MRX & MRT; silver alloy plus brass with silver plating

for MRY106; silver alloy with gold plating for MRY106G

Copper with silver plating for MRX, MRY106 & MRT22; brass with gold plating for MRY106G;

brass with silver plating for MRT23

Phenolic resin

Environmental Data

Tilt

Operating Temperature Range:

Humidity:

Vibration:

Shock:

Touch

–10°C through +70°C (+14°F through +158°F)

90 ~ 95% humidity for 96 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/s

2

) acceleration (tested in 3 right angled directions, with 3 shocks in each direction)

Installation

Indicators

Mounting Torque:

Cap Installation Force:

Soldering Time & Temperature:

.686Nm (6.08 lb

•

in)

19.6 ~ 29.4N (4.41 ~ 6.61 lbf)

Manual Soldering: See Profile A in Supplement section.

Accessories

Standards & Certifications

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.

MRT22 models recognized at 10A @ 125V AC; MRT23 models recognized at 5A @ 125V AC

Supplement

G22

www.nkk.com

Miniature Power Level Rotaries

Series MR

Toggles

Positive detent mechanism for distinct feel and audible feedback.

Metal bushing and housing construction increases

durability.

Adjustable stopper plate allows 2-8 position settings.

High contact reliability achieved by the self-cleaning

contact mechanism.

Break-before-make contact timing with various mechanism

types: sliding contacts in MRX, contactor dish in MRY, and

butt contacts in MRT models.

G

Terminal types include PC-turret for MRX, turret for MRY,

and solder lug for MRT models.

Molded-in PC-turret and turret terminals prevent entry of

flux and other contaminants.

Actual Size

www.nkk.com

G23

Supplement

Accessories

Indicators

Touch

Tilt

Tactiles

Slides

Rotaries

Keylocks

Programmable Illuminated PB

Pushbuttons

Rockers

Distinctive

Characteristics

Series MR

Toggles

Miniature Power Level Rotaries

TYPICAL SWITCH ORDERING EXAMPLE

Rockers

MR

Actuators & Terminals

X

108

204

402

106

106G

22

23

108

Poles & Circuits

A

SP with 2-8 Positions

DP with 2-4 Positions

4P with 2 Positions

SP with 2-6 Positions

Gold Contacts 0.4VA

DPDT ON-NONE-ON

DPDT ON-OFF-ON

A

Knobs

Plain Black

Small Color Tipped

Large Color Tipped

B

C

Pushbuttons

Colors

For Plain Knob

No

Code

A

Black

X

Programmable Illuminated PB

Shaft Actuated with

PC-Turret Terminals

For Color Tipped

Black

White

Red

Yellow

Green

Blue

Gray

B

C

E

F

G

H

Y

Shaft Actuated with

Turret Terminals

T

Shaft Actuated with

Solder Lug Terminals

*

Keylocks

*

Wire harness & cable assemblies

offered only in Americas

DESCRIPTION FOR TYPICAL ORDERING EXAMPLE

MRX108-A

Rotaries

G

IMPORTANT:

Shaft Actuated

with Plain Black Knob

SP with 2-8

Adjustable Positions

MRT Switches are supplied without

UL & cULus marking unless specified.

UL & cULus recognized only when

ordered with marking on the switch.

Specific models, ratings, & ordering in-

structions are noted on General Specifi-

cations page.

Tactiles

Slides

PC-Turret Terminals

Tilt

ACTUATORS & TERMINALS

Touch

X

Shaft Actuated with

PC-Turret Terminals

Y

Shaft Actuated with

Turret Terminals

T

Shaft Actuated with

Solder Lug Terminals

Indicators

Accessories

2

1

8

1

(2.3)

.091

1

(2.3)

.091

6

(2.3)

.091

(5.0)

.197

(1.3) Dia

.051

MR

T- 2

2

(3.15) Dia

.124

(20.0)

.787

(5.0)

.197

(0.8)

.031

Thk = (0.9)

.035

(3.15) Dia

.124

(20.0)

.787

(3.15) Dia

.124

(20.0)

.787

(2.0)

.079

(4.0)

.157

Supplement

(1.0)

.039

(1.0)

.039

(1.0)

.039

(2.4)

.094

(0.9)

.035

Thk = (0.7)

.028

Shaft

G24

Terminal

Shaft

www.nkk.com

Terminal

Shaft

Terminal

Miniature Power Level Rotaries

POLES & CIRCUITS

Pole

Model

MRX108

SP

MRY106

MRY106G

DP

MRX204

2-6

2, 3, 4, 5, 6

1 COM, 6 LOAD

Number of Positions

2-8

Stopper Settings

2, 3, 4, 5, 6, 7, 8

Number of Terminals

1 COM, 8 LOAD

Series MR

Schematics

A

1

2 3 4 5 6

A

7 8

1

A

2 3 4 5 6

B

1

2 3 4 1

2 3 4

MRT22

DPDT

MRT23

2

ON-NONE-ON

2-3

5-6

2-3

5-6

OPEN

2-1

5-4

2-1

5-4

A

B

C

D

1

2

(COM)

3

4

5

6

3

ON-OFF-ON

4P

MRX402

2

1&2

4 COM, 8 LOAD

1

2

1

2

1

2

1

2

POSITION SETTING FOR MRX & MRY MODELS

Each switch is supplied with the stopper set for the maximum number of

positions allowed for that model. Prior to installation, the desired position

setting should be made. Contact factory for continuous rotation.

1. Using the actuator knob, turn the shaft counterclockwise to the extreme left.

If the shaft is not turned to this extreme position where the white line on the

knob points to the number 1 position shown on the side of the switch,

proper setting cannot be achieved.

2. Remove the knob from the shaft and loosen the nut far enough to allow

raising the stopper plate for resetting to the desired position.

3. Note the position numbers on the side of the switch; these correspond to

the terminal numbers and stopper holes. Insert the stopper in the hole

numbered for the maximum desired number of stop settings. Satisfactory

switch functioning cannot be assured if the stopper plate is not properly

positioned.

4. Tighten the nub (beveled side up) firmly against the stopper plate.

Mounting Hardware

Packaged Loose with Each Switch

AT513M Hex Face Nut

AT507M Locking Ring

G

Factory Assembled:

Hex Nut

2

MRX

MRY

Single, Double & Four Pole

A

5

4

M

RX • PC-Turret Terminals

22.5

°

3

90

°

Typ

2

C

1

(2.3)

.091

50

(3.15) Dia

.124

(20.0)

.787

(5.6)

.220

(17.3)

.681

(10.0)

.394

(14.0) Dia

.551

MRX108

www.nkk.com

G25

Supplement

B

1

4

Keyway

COM

°

(1.0)

.039

(5.0)

.197

2

A

1

4

3

B

1

2

(0.8) Typ

.031

(4.0) Dia

.157

Accessories

D

1

COM

M6 P0.75

(0.9) Typ

.035

45

°

(1.5) Typ

.059

1

7

Typ

(0.5) Typ

.020

Indicators

6

Touch

2

TYPICAL SWITCH DIMENSIONS

Tilt

1

8

1

6

Tactiles

Stopper Plate

Slides

AT509 Lockwasher

Rotaries

Keylocks

Programmable Illuminated PB

2-4

2, 3, 4

2 COM, 8 LOAD

Pushbuttons

Rockers

Toggles

2

1

8

2

Series MR

Toggles

Miniature Power Level Rotaries

TYPICAL SWITCH DIMENSIONS

MRY • Turret Terminals

Rockers

Single Pole

Pushbuttons

(3.15) Dia

.124

M6 P0.75

(1.3) Dia Typ

.051

4

5

M

60

°

Ty

60°

3

4

A

2

1

6

Typ

p

3

(9.0) Dia

.354

5

A

2

Programmable Illuminated PB

(2.3)

.091

18

°

Keyway

(1.0)

.039

(20.0)

.787

(5.6)

.220

(16.9)

.665

(5.0)

.197

(8.0)

.315

(14.0) Dia

.551

MRY106

Keylocks

MRT • Solder Lug Terminals

Double Pole

120

°

(2.3)

.091

M6 P0.75

Rotaries

G

(5.0)

.197

(24.0)

.945

(3.15) Dia

.124

Keyway

Slides

(4.5)

.177

4

5

6

Tactiles

(13.0)

.512

(20.0)

.787

(7.5)

.295

(8.5)

.335

(12.0)

.472

MRT22

Tilt

PC FOOTPRINTS FOR MRX SINGLE, DOUBLE, & FOUR POLE

45

°

Typ

22.5°

Touch

Single Pole

4

5

(1.98) Dia

.078

A

6

7

Double Pole

1

4

(10.0) Dia

.394

(4.5) Dia

.177

3

2

8

(10.0) Dia

.394

(1.32) Dia Typ

.052

°

Typ

1

Indicators

45

22.5°

Accessories

Four Pole

1

2

90

°T

(10.0) Dia

.394

C

1

B

2

A

D

1

2

(1.98) Dia Typ

.078

1

Supplement

(4.5) Dia

.177

(1.32) Dia Typ

.052

G26

www.nkk.com

1

CO

6

(1.85) Dia Typ

.073

(1.1) x (2.0) Typ

.043 x .079

3

2

1

(4.0)

.157

45

°

Typ

22.5°

A

3

B

2

4

2

(1.98) Dia Typ

.078

3

(4.5) Dia

.177

1

(1.32) Dia Typ

.052

yp

参数名称	属性值
Product Attribute	Attribute Value
制造商 Manufacturer	NKK
产品种类 Product Category	Rotary Switches
RoHS	Details
位置数量 Number of Positions	2 Position to 6 Position
Number of Decks	1 Deck
Number of Poles per Deck	1 Pole
电流额定值 Current Rating	3 A, 2 A
电压额定值 DC Voltage Rating DC	30 VDC
电压额定值 AC Voltage Rating AC	125 VAC
Index Angle	60 deg
Contact Style	Non-Shorting
端接类型 Termination Style	Turret
Mounting Type	Panel
主体材料 Contact Plating	Silver
Actuator	Shaft, with Knob
Contact Form	SPST
Illumination	Non-Illuminated
工作温度范围 Operating Temperature Range	- 10 C to + 70 C
电压额定值 Voltage Rating	125 VAC, 30 VDC
Index Stops	Adjustable
工厂包装数量 Factory Pack Quantity	50

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