General Specifications

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1 Half-Inch Diameter Process Sealed Rotaries Supplement ccessories Indicators Touch Tilt Tactiles Slides Rotaries Keylocks Programmable Illuminated P Pushbuttons Rockers Toggles eneral Specifications Electrical apacity (Resistive Load) For MR: V For MRF or MRK: 0.V 8V /D maximum (pplicable Range 0.m ~ 0mV ~ 8V) Note: Find additional explanation of operating range in Supplement section. Other Ratings ontact Resistance: Insulation Resistance: Dielectric Strength: Mechanical Life: Electrical Life: Range of Operating Torque: ontact Timing: Materials & Finishes Shaft: Stopper Plate: ushing/housing: Movable ontacts: End ontacts & Terminals: ommon ontacts & Terminals: ase: Environmental Data Operating Temperature Range: Humidity: Vibration: 0 milliohms maximum for MR; 0 milliohms maximum for MRF & MRK 00 megohms 00V D,000V minimum for minute minimum for MR 00V minimum for minute minimum for MRF & MRK 0,000 operations minimum 0,000 operations minimum 0.0 ~ 0.0Nm for MR; 0.00 ~ 0.0Nm for MRF & MRK Nonshorting (break-before-make) MR self-cleaning, sliding contact; MRF & MRK self-cleaning, rotary contactor disk Indexing: 0 Shock: Sealing: Installation Mounting Torque: ap Installation Force: Processing Soldering Time & Temperature: leaning: Standards & ertifications rass with nickel plating Steel with zinc plating for MR & MRK; polyamide cover with stopper for MRF Zinc alloy with zinc plating opper with silver plating for MR; phosphor bronze with gold plating for MRF & MRK rass with silver plating for MR; phosphor bronze with gold plating for MRF & MRK rass with silver plating for MR; phosphor bronze with gold plating for MRF & MRK Diallyl phthalate for MR; fiberglass reinforced polyamide for MRF & MRK 0 through +0 (+ F through +8 F) 0 ~ % humidity for 0 (0 F) 0 ~ Hz with peak-to-peak amplitude of.mm traversing the frequency range & returning in minute; right angled directions for hours 0 (0m/s ) acceleration (tested in right angled directions, with shocks in each direction) MRK model meets IP of IE0 standards.8nm (.08 lb in). ~.N (. ~. lbf) for MR & MRK Wave Soldering for MR: See Profile in Supplement section. Wave Soldering for MRF & MRK: See Profile in Supplement section. Manual Soldering for MR: See Profile in Supplement section. Manual Soldering for MRF & MRK: See Profile in Supplement section. utomated cleaning recommended. Stopper plate, as well as washers for MR & MRK, must be in place to maintain automated cleaning. See leaning specifications in Supplement section. MR, MRF, & MRK models have not been tested for UL recognition or S 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.

2 Half-Inch Diameter Process Sealed Rotaries Distinctive haracteristics Low profile body of MRF model accommodates space limitations required for P mounting. For the MR and MRK bushing mount models, the range of behind panel body depths is. to. (8.mm to.0mm). Positive detent mechanism for distinct feel and audible feedback. Metal bushing and housing construction increases durability. djustable stopper plate allows position settings. High contact reliability achieved by the self-cleaning contact mechanism. reak-before-make contact timing with sliding contacts in MR and rotary contactor disk in MRF and MRK models. Interior housing seal and molded-in P terminals, plus shaft rubber o-ring on MR and MRK and polyamide cover on MRF model, allow cleaning after automated soldering. MRK model meets IP of IE0 specifications (similar to NEM & ). ctual Size Supplement ccessories Indicators Touch Tilt Tactiles Slides Rotaries Keylocks Programmable Illuminated P Pushbuttons Rockers Toggles

Half-Inch Diameter Process Sealed Rotaries Supplement ccessories Indicators Touch Tilt Tactiles Slides Rotaries Keylocks Programmable Illuminated P Pushbuttons Rockers Toggles F K MR ctuators &

3 Half-Inch Diameter Process Sealed Rotaries Supplement ccessories Indicators Touch Tilt Tactiles Slides Rotaries Keylocks Programmable Illuminated P Pushbuttons Rockers Toggles F K MR ctuators & Terminals Shaft ctuated with P Terminals Low Profile Screwdriver ctuated with P Terminals Low Profile Shaft ctuated with P Terminals Shaft ctuated with P Terminals 0 0 Shaft (.).0 (.) Dia. (0.0). (0.).00 Thk = (0.).00 TYPIL SWITH ORDERIN EXMPLE 0 DESRIPTION FOR TYPIL ORDERIN EXMPLE Terminal (.).8 MR0- TUTORS & TERMINLS F Poles & ircuits SP with - Positions 0 DP with - Positions 0 P with - Positions 80 Shaft ctuated with Plain lack Knob DP with - djustable Positions P Terminals Low Profile Screwdriver ctuated with P Terminals M R- 0 (.) Dia. (0.8).0 Slotted for Screwdriver (.0).0 (0.).00 Thk = (0.).00 Terminal (.).8 Knobs Plain lack Small olor Tipped Large olor Tipped K M R olors For Plain Knob No ode lack For olor Tipped E F H Low Profile Shaft ctuated with P Terminals - K 0 0 (.) Dia. (0.0). Shaft (.).0 lack White Red Yellow reen lue ray (0.).00 Thk = (0.).00 Terminal (.).8 8

4 Half-Inch Diameter Process Sealed Rotaries Pole Model Number of Positions Stopper Settings Number of Terminals Schematics SP DP P MR MRF MRK MR0 MRF0 MRK0 MR0 MRF0 MRK0 POLES & IRUITS,,,...,,,...,,,...,,,,,,,,,,,,,,, OM, LOD OM, LOD OM, LOD OM, LOD OM, LOD OM, LOD OM, LOD OM, LOD OM, LOD POSITION SETTIN FOR MR, MRF, & MRK MODELS 8 0 D 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. ontact factory for continuous rotation. MRF Models. Remove the protective cover from the switch body.. Turn the shaft counterclockwise to the extreme left by using a screwdriver.. Inside the cover is a magnifying lens which would be positioned over the number which is to be the maximum position used; when the cover is then snapped into the switch, the projection beside the lens fits into the correct hole for setting the stop. MRK & MR Models. Using the actuator knob, turn the shaft counterclockwise to the extreme left. If the shaft is not turned counterclockwise to the extreme left, proper setting cannot be achieved. t this extreme position, the white line on the knob points to the number position shown on the side of the switch.. Remove the knob from the shaft and loosen the nut far enough to allow raising the stopper plate, plus washer(s), for resetting to the desired position.. 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.. Tighten the nut (beveled side up) firmly against the stopper plate. M R - K 0 0 Protective over Standard Mounting Hardware Packaged Loose with Each Switch: Hex Face Nut Locking Ring Lockwasher Rubber Ring (MRK) Factory ssembled: Hex Nut Stopper Plate Metal Washer (MR) Rubber Washer 80 M R- 0 Lens Projection 0 0 Supplement ccessories Indicators Touch Tilt Tactiles Slides Rotaries Keylocks Programmable Illuminated P Pushbuttons Rockers Toggles

0 0 0 Half-Inch Diameter Process Sealed Rotaries Supplement ccessories Indicators Touch Tilt Tactiles Slides Rotaries Keylocks Programmable Illuminated P Pushbuttons Rockers Toggles Single Pole MR

5 0 0 0 Half-Inch Diameter Process Sealed Rotaries Supplement ccessories Indicators Touch Tilt Tactiles Slides Rotaries Keylocks Programmable Illuminated P Pushbuttons Rockers Toggles Single Pole MR TYPIL SWITH DIMENSIONS MR P Terminals Pole Pole Pole MR MRF P Terminals Pole Pole Pole MRF0 MRK P Terminals Pole Pole Pole MRK 8 0 (.0) Typ.8 (.) Dia. (.0) Dia Typ.0 (.) Dia. 80 (.) Dia. (.0) Dia.0 MRK devices are designed to be panel mounted. Installation without panel mounting will affect reliability. Double Pole MR0 (0.8).0 0 Typ 8 0 (.0) Dia. (.8).00 (.0) Typ.8 (.) Dia. (.0) Dia Typ.0 (.).0 (.). M P0. M P0. 0 (.0).0 (0.0). (0.0). (8.). over (.0). Four Pole MR0 0 Typ (.). D (.0). (0.) Typ.00 (.0) Dia. (0.) Typ.00 (.).8 (0.).8 (.0). (0.0). FOOTPRINTS (.0) Typ.8 (.) Dia. (.0) Dia Typ (.) Dia. Single Pole MRF MRK Typ 8 0 (.) Dia. 8 (.) Dia. Typ (.0) Dia.8 0 Typ 0 Double Pole MRF0 MRK0 (.) Dia. (.) Dia. Typ (.) Dia. 0 Typ 0 Typ (0.) Typ.00 (.).8 (.0) Dia. (0.) Typ.00 Typ (.0) Dia. 0 Typ Typ (.0) Dia.8 0 Typ 0 Typ.0 (.0) Dia. 0 Typ D D Four Pole MRF0 MRK0 (.) Dia. (.) Dia. D Typ (.) Dia. (.0) Dia.8 0 Typ Typ Typ D 0.0 Typ (.0) Dia. 0

6 Half-Inch Diameter Process Sealed Rotaries Polyacetal olor: lack only T Plain lack (.0) Dia.8 (.0) Dia. KNOS E F olor odes: lack White Red Yellow reen lue Without (0.).00 (.0). (.) Dia.0 TM Metric Hexagon Nut rass, nickel plating for MR; for MRK (.0). (.) Dia.08 M P0. (8.0). (.).0 (.). ase Polyester ase olor: lack T0 Small olor Tipped Polyamide Tip olors:,,, E, F,, H (0.).00 (.0) Dia.0 (.) Dia. (.). (.). ase Polyester ase olor: lack T0 Large olor Tipped Polyamide Tip olors:,,, E, F,, H PNEL UTOUTS & MXIMUM EFFETIVE PNEL THIKNESS Nonsealed Panel (.). T Support racket for MRK Steel with tin plating MR & MRK (.8) Typ.0 With T Locking Ring STNDRD MOUNTIN HRDWRE Steel, chromate over zinc plating for MR; for MRK (8.0).0 (.0).0 (.).0 (.0). (.) Dia.0 (0.).0 (.).0 (.). (.0). Sealed Panel (.). (.) Dia. T0 Lockwasher Steel, chromate over zinc plating for MR; for MRK (.) Dia. OPTIONL SUPPORT RKET (8.0).0 (.).8 (.0). (0.) Typ.00 (0.8) Typ.0 (.). (0.8).0 MRK (.). (.).8 (.) Dia Typ.0 (0.) Dia.0 (0.).00 (0.).00 (.8). T Rubber Ring (8.0) Dia.0 (.0) Dia. H ray With Standard Hardware on Nonsealed Panel: MR.0 (.mm) MRK.08 (.mm) Without Locking Ring on Nonsealed Panel: MR.08 (.mm) MRK.8 (.0mm) With TM & T only on Sealed Panel: MRK.0 (.mm) (.). Nitrile butadiene rubber for MRK (.) Dia. (.) Dia.0 (.).0 support bracket is needed when the MRK is mounted only to a P board and does not have the bushing through a panel. Supplement ccessories Indicators Touch Tilt Tactiles Slides Rotaries Keylocks Programmable Illuminated P Pushbuttons Rockers Toggles

Distinctive Characteristics

Distinctive Characteristics istinctive haracteristics Low profile body of MRF model accommodates space limitations required for P mounting. For the MR and MRK bushing mount models, the range of behind panel body depths is. to. (.mm