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MRK403

Part Number	MRK403
Manufacturer	NKK
Description	Half-Inch Diameter Process Sealed Rotaries
Published	Mar 4, 2014
Detailed Description	Half-Inch Diameter Process Sealed Rotaries Series MR Distinctive Characteristics Low profile body of MRF model accommo...
Datasheet	MRK403 PDF File

Overview

Half-Inch Diameter Process Sealed Rotaries Series MR Distinctive Characteristics Low profile body of MRF model accommodates space limitations required for PCB mounting.
Behind panel body depths ranging from .
323” to .
669” (8.
2mm to 17.
0mm) for MRA and MRK bushing mount models.
Positive detent mechanism for distinct feel and audible feedback.
Metal bushing and housing construction increases durability.
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 MRF and MRK and polyamide cover on MRF model, allow cleaning after automated soldering.
Exterior rubber washer and double flatted bushing on MRA and MRK give protection in splashproof applications.
Actual Size NKK Switches • email: sales@nkkswitches.
com • Phone (480) 991- 0942 • Fax (480) 998-1435 • www.
nkkswitches.
com 3 -0 5 Free Datasheet http://www.
datasheetlist.
com/ Half-Inch Diameter Process Sealed Rotaries Series MR General Specifications Electrical Capacity (Resistive Load) For MRA: For MRF or MRK: 250mA @ 125V AC or 48V DC 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.
Other Ratings Contact Resistance: Insulation Resistance: Dielectric Strength: Mechanical Life: Electrical Life: Range of Operating Torque: Contact Timing: Indexing: 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 contact...

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MRK403 Half-Inch Diameter Process Sealed Rotaries - NKK

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