MRK112-CH-RO NKK Switches, MRK112-CH-RO Datasheet

Rotary Switches SP 11 POS LOW SHAFT PC GRAY TIPPED KNOB

MRK112-CH-RO

Manufacturer Part Number

MRK112-CH-RO

Description

Rotary Switches SP 11 POS LOW SHAFT PC GRAY TIPPED KNOB

Manufacturer

NKK Switches

Type

Half-Inch Process Sealed Rotariesr

Datasheet

1.AT433A.pdf (6 pages)

Specifications of MRK112-CH-RO

Total # Of Positions

Pole Throw Configuration

Actuator Style

Shaft

Actuator Material

Brass

Current Rating (max)

0.1A

Illumination Type

Not Required

Ac Voltage Rating (max)

28VVAC

Dc Voltage Rating (max)

28VVDC

Mechanical Life

30000

Contact Material

Phosphor Bronze

Contact Plating

Gold

Product Height (mm)

25.6mm

Product Depth (mm)

12.6mm

Product Length (mm)

12.6mm

Operating Temp Range

-10C to 70C

Mounting Style

Panel

Terminal Type

PC Pins

Number Of Positions

2 to 12

Number Of Poles Per Deck

Number Of Decks

Index Angle

30 deg

Contact Style

Non Shorting

Contact Form

Mounting Type

Panel

Color

Black, Gray

Dielectric Strength

500 VoltsAC

Voltage Rating

28 VoltsAC/DC

Current Rating

0.4 Volt-Amp at 28 VoltsAC/DC

Actuator

Shaft Actuated, Low Profile with Knob

Cap Color

Black, Gray

Contact Rating

0.4 Volt-Amp at 28 VoltsAC/DC

Termination Style

PC Terminals

Lead Free Status / Rohs Status

Compliant

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General

Series MR

Electrical Capacity (Resistive Load)

Other Ratings

Materials & Finishes

Environmental Data

Installation

Processing

Standards & Certifications

G16

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:

For MRF or MRK:

Mechanical Life:

Contact Timing:

Stopper Plate:

Electrical Life:

Vibration:

Humidity:

Cleaning:

For MRA:

Indexing:

Sealing:

Shock:

Shaft:

Base:

Specifications

250mA @ 125V AC

0.4VA maximum @ 28V AC/DC maximum

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

Note: Find additional explanation of operating range in Supplement section.

10 milliohms maximum for MRA; 50 milliohms maximum for MRF & MRK

100 megohms minimum @ 500V DC

1,000V AC minimum for 1 minute minimum for MRA

500V AC minimum for 1 minute minimum for MRF & MRK

30,000 operations minimum

10,000 operations minimum

0.02 ~ 0.07Nm for MRA; 0.005 ~ 0.02Nm for MRF & MRK

Nonshorting (break-before-make)

MRA – self-cleaning, sliding contact; MRF & MRK – self-cleaning, rotary contactor disk

30°

Brass with nickel plating

Steel with zinc plating for MRA & MRK; polyamide cover with stopper for MRF

Zinc alloy with zinc plating

Copper with silver plating for MRA; phosphor bronze with gold plating for MRF & MRK

Brass with silver plating for MRA; phosphor bronze with gold plating for MRF & MRK

Diallyl phthalate for MRA; fiberglass reinforced polyamide for MRF & MRK

–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

MRK model meets IP67 of IEC60529 standards

.686Nm (6.08 lb

19.6 ~ 29.4N (4.41 ~ 6.61 lbf) for MRA & MRK

Wave Soldering for MRA: See Profile A in Supplement section.

Wave Soldering for MRF & MRK: See Profile B in Supplement section.

Manual Soldering for MRA: See Profile A in Supplement section.

Manual Soldering for MRF & MRK: See Profile B in Supplement section.

Automated cleaning recommended. Stopper plate, as well as washers for MRA & MRK, must be in

place to maintain automated cleaning. See Cleaning specifications in Supplement section.

MRA, MRF, & MRK models have not been tested for UL recognition or CSA certification.

These switches are designed for use in a low-voltage, low-current, logic-level circuit.

When used as intended in a logic-level circuit, the results do not produce hazardous energy.

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

www.nkk.com

•

in)

Half-Inch Diameter Process Sealed Rotaries

Related parts for MRK112-CH-RO

MRK112-CH-RO Summary of contents

Page 1

... Range of Operating Torque: 0.02 ~ 0.07Nm for MRA; 0.005 ~ 0.02Nm for MRF & MRK Contact Timing: Nonshorting (break-before-make) MRA – self-cleaning, sliding contact; MRF & MRK – self-cleaning, rotary contactor disk Indexing: 30° Materials & Finishes Shaft: Brass with nickel plating Stopper Plate: Steel with zinc plating for MRA & ...

Page 2

... Adjustable stopper plate allows 2–12 position settings. High contact reliability achieved by the self-cleaning contact mechanism. Break-before-make contact timing with sliding contacts in MRA and rotary contactor disk in MRF and MRK models. Interior housing seal and molded-in PC terminals, plus shaft rubber o-ring on MRA and MRK and polyamide cover on MRF model, allow cleaning after automated soldering. MRK model meets IP67 of IEC60529 specifications (similar to NEMA 4 & ...

Page 3

Series Actuators & Terminals A Shaft Actuated with PC Terminals Low Profile Screwdriver Actuated F with PC Terminals Low Profile Shaft Actuated with K PC Terminals DESCRIPTION FOR TYPICAL ORDERING EXAMPLE G Shaft Actuated A with PC ...

Page 4

... Half-Inch Diameter Process Sealed Rotaries Pole Model Number of Positions MRA112 2–12 SP MRF112 2–12 MRK112 2–12 MRA206 2–6 DP MRF206 2–6 MRK206 2–6 MRA403 2–3 4P MRF403 2–3 MRK403 2–3 POSITION SETTING FOR MRA, MRF, & MRK 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 ...

Page 5

... Typ M6 P0.75 .010 (12.0) Dia .472 (2.28) .090 (0.5) Typ .020 (10.0) (5.5) (10.1) (3.5) .394 .217 .398 .138 FOOTPRINTS Four Pole Single Pole MRA403 MRF112 MRK112 (0.8) Dia Typ (3.0) Typ .031 .118 (9.5) Dia C 1 .374 ...

Page 6

Half-Inch Diameter Process Sealed Rotaries AT433 A Plain Black Material: Base Material: Polyacetal Polyester Base Color: (19.0) Dia .748 Color: Black (11.0) Dia .433 Black only Polyamide Tip (13.0) Colors: .512 (9.5) .374 ...

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