MRX108-BC NKK Switches, MRX108-BC Datasheet

MRX108-BC

Manufacturer Part Number

MRX108-BC

Description

SW ROTARY SP RD TIP LG KNOB PC

Manufacturer

NKK Switches

Series

MRr

Datasheet

1.MRT23-A.pdf (6 pages)

Specifications of MRX108-BC

Number Of Positions

2 ~ 8

Number Of Decks

Number Of Poles Per Deck

Circuit Per Deck

SP8T

Contact Rating @ Voltage

2A @ 125VAC

Actuator Type

Knob

Mounting Type

Panel, PCB Through Hole

Termination Style

PC Pin

Orientation

Vertical

Angle Of Throw

45°

Lead Free Status / RoHS Status

Lead free / RoHS Compliant

Other names

MRX108-BC-RO
MRX108-BC-RO

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General

Series MR

Electrical Capacity (Resistive Load)

Other Ratings

Materials & Finishes

Environmental Data

Installation

Standards & Certifications

G22

Common Contacts & Terminals:

Operating Temperature Range:

Soldering Time & Temperature:

Range of Operating Torque:

End Contacts & Terminals:

Cap Installation Force:

Insulation Resistance:

Contact Resistance:

Dielectric Strength:

Movable Contacts:

Bushing/Housing:

Mounting Torque:

Mechanical Life:

Contact Timing:

Stopper Plate:

Electrical Life:

Vibration:

Humidity:

Indexing:

For MRX:

For MRY:

For MRT:

Shock:

Shaft:

Base:

UL:

Specifications

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

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

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

–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

.686Nm (6.08 lb

19.6 ~ 29.4N (4.41 ~ 6.61 lbf)

Manual Soldering: See Profile A in Supplement section.

File No. E44145

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

Add “/U” to end of part number to order UL mark on switch

Add “/CUL” to end of part number to order cULus mark on switch

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

www.nkk.com

•

in)

Miniature Power Level Rotaries

Related parts for MRX108-BC

MRX108-BC Summary of contents

Page 1

... 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 Brass with nickel plating Steel with zinc plating for MRX & ...

Page 2

Miniature Power Level Rotaries Distinctive Characteristics 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 ...

Page 3

... Knobs Colors A For Plain Knob Plain Black B Small Color Tipped No Code C Large Color Tipped For Color Tipped MRX108-A Shaft Actuated with T Solder Lug Terminals (2.3) .091 (3.15) Dia (5.0) (2.0) .124 .197 (20.0) .079 .787 (1.3) Dia .051 (1.0) .039 Shaft ...

Page 4

... Mounting Hardware Packaged Loose with Each Switch AT513M Hex Face Nut AT507M Locking Ring AT509 Lockwasher Factory Assembled: Hex Nut Stopper Plate MRX MRY M RX • PC-Turret Terminals (1.5) Typ .059 (0.5) Typ 1 .020 COM 1 (4.0) Dia .157 (14.0) Dia .551 MRX108 G G25 ...

Page 5

Series MR MRY • Turret Terminals (3.15) Dia .124 Keyway MRY106 MRT • Solder Lug Terminals G (24.0) .945 MRT22 PC FOOTPRINTS FOR MRX SINGLE, DOUBLE, & FOUR POLE Single Pole 5 4 (10.0) Dia .394 3 2 (4.5) Dia .177 G26 TYPICAL SWITCH DIMENSIONS Single Pole M6 ...

Page 6

Miniature Power Level Rotaries AT433 A Plain Black (19.0) Dia .748 (11.0) Dia .433 (13.0) (9.5) .512 .374 (23.5) .925 Material: Polyacetal Color: Black only A B Color Codes: Black PANEL CUTOUTS & MAXIMUM EFFECTIVE PANEL THICKNESS Without With Keyway ...

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