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MRK206-AE Datasheet(PDF) 4 Page - Nihon Kaiheiki Industry Co. Ltd. |
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MRK206-AE Datasheet(HTML) 4 Page - Nihon Kaiheiki Industry Co. Ltd. |
4 / 6 page NKK Switches • email: sales@nkkswitches.com • Phone (480) 991-0942 • Fax (480) 998-1435 • www.nkkswitches.com 05-08 Half-Inch Diameter Process Sealed Rotaries Series MR Pole Model Number of Positions Stopper Settings Number of Terminals Schematics SP MRA112 MRF112 MRK112 2–12 2–12 2–12 2, 3, 4, . . . 12 2, 3, 4, . . . 12 2, 3, 4, . . . 12 1 COM, 12 LOAD 1 COM, 12 LOAD 1 COM, 12 LOAD DP MRA206 MRF206 MRK206 2–6 2–6 2–6 2, 3, 4, 5, 6 2, 3, 4, 5, 6 2, 3, 4, 5, 6 2 COM, 12 LOAD 2 COM, 12 LOAD 2 COM, 12 LOAD 4P MRA403 MRF403 MRK403 2–3 2–3 2–3 2, 3 2, 3 2, 3 4 COM, 12 LOAD 4 COM, 12 LOAD 4 COM, 12 LOAD POLES & CIRCUITS 12 34 56 78 9101112 A 12 34 56 12 34 56 A B 12 31 23 12 31 23 A B C D 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. Contact factory for continuous rotation. MRF Models 1. Remove the protective cover from the switch body. 2. Turn the shaft counterclockwise to the extreme left by using a screwdriver. 3. 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. 2 1 C 12 11 10 M R - 4 5 6 Protective Cover Lens Projection MRK & MRA Models 1. 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 can- not be achieved. At this extreme posi- tion, the white line on the knob points to the number 1 position shown on the side of the switch. 2. Remove the knob from the shaft and loosen the nut far enough to allow rais- ing the stopper plate, plus washer(s), 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 func- tioning cannot be assured if the stopper plate is not properly positioned. 4. Tighten the nut (beveled side up) firmly against the stopper plate. 12 11 10 9 1 12 11 10 2 M R - K 1 1 2 2 1 C 12 11 10 9 12 11 10 9 Standard Mounting Hardware Packaged Loose with Each Switch: Hex Face Nut Locking Ring Lockwasher Rubber Ring (MRK) Factory Assembled: Hex Nut Stopper Plate Metal Washer (MRA) Rubber Washer |
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