MRKC2041A-R-01R-Z

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MRKɾMRKC Key Switches 2. High Contact Reliability Gold-plated contact with se lf-cleaning, twin contact mechanism provides high contact reliability. 4. Improved Resistance to Soldering Heat The resistance to soldering heat of contacts is improved by blocking heat from terminals by using the printed circuit board. ˙Features 1. For PCB Mounting Direct mounting to PC board. The terminal pin layout is in inch pitch. 3. Smooth Operation Steel ball adopted to click mechanism for smooth operation. 5. Cylinder Lock Type (MRKC) Cylinder lock mechanism is ad opted, enabling choice of various types of key. RoHS Compliant ˙Part Numbering ʢ˞̍ʣ For MRKC series, 6 types of keys are available. (01~03, 01B~03B ) 0/ɹʔɹ0/ 0/ɹʔʢ0/ʣ 0/ʔ0/ʔ0/ 0/ʔ0/ʔ0/ʔ0/ P/C Straight Right Angle 45˃ 90˃ MRKɹ1ɹ01ɹ2ɹAɹʵɹR ʵZ MRKCɹ2ɹ01ɹ3ɹAʵR ʵ01 R ʵZ Double Pole Single Pole 1 Standard typeMRK Series code Number of poles Circuit Function Key Removable Positions Angle of Throw Terminals Series code Number of poles Circuit Function Key Removable Positions Angle of Throw Terminals Registration number of key ʢ˞1ʣ Grip material of key None R 0/ɹʔɹ0/ 0/ɹʔʢ0/ʣ 0/ʔ0/ʔ0/ ʢ0/ʣʔ0/ʔʢ0/ʣ P/C Straight Right Angle 45˃ 90˃ 60˃ Double Pole Single Pole Cylinder LockMRKC None R Metal Plastic None B ʢONʣɿMomentary. ˒ɿMade to order products.

˙Angle of Throw 45˃step 60 ˃step 90 ˃step ˙Key Removable Position Code Key position ᶗᶘᶙᶚ A ˓˓ ʵʵ B ˓ ʷʵʵ C ʷ ˓ ʵʵ D ˓˓˓˓ E ʷ ˓˓ ʵ F ʷʷ ˓ ʵ G ˓˓ ʷʵ H ˓ ʷ ˓ ʵ K ˓ ʷʷʵ L ʷ ˓ ʷʵ ˓ɿ Removable ʷɿ Not removable ˙ Speci/g196cations Rating 0.4VA max. ʢ20VDC max.ʣ Initial contact resistance 200mЊ max. ʢ0.5mA 200ЖVACʣ Dielectric strength 250VAC 1 minute Insulation resistance 100MЊ min. ʢ100VDCʣ Electrical life 10,000 cycles Operating force MRK 2.94 ʶ0.98Nɾcm MRKC 2.94 ʶ1.47Nɾcm Operating temperature range ʵ20ˆʙʴ70ˆ Storage temperature range ʵ40ˆʙʴ80ˆ MRKɾMRKC ˙Standard Accessories ʬSupplied with switchʭ 1BSUOBNF Key 4FSJFT MRK MRKC 1BSU/P 140007050010 140009002602 140009003061 %JNFOTJPOT Key type "01" Key type "01B" Grip material Plastic Metal Plastic ˔ Each switch comes with two keys. 4IPXOJO1PTJUJPOᶘ 4IPXOJO1PTJUJPOᶘ 4IPXOJO1PTJUJPOᶗ

MRKʢ45˃step 3&4-positionʣ ˔PC type ɹStraight ˔Right Angle Single Pole, Double Pole Single Pole Double Pole Part No. Key removable position A portion Circuit function Connecting position Circuit diagram ᶗ position ᶘ position ᶙ position ᶚ position ᶗ position ᶘ position ᶙ position ᶚ position ˒MRK1031DʵZ ˒MRK2031DʵZ ˒MRK1031DʵRʵZ ˛MRK2031DʵRʵZ ˓˓˓ʵ ON ON ON ʵ ˛MRK1031EʵZ ˛MRK2031EʵZ ˛MRK1031EʵRʵZ ˛MRK2031EʵRʵZ ˓˓ʵ ʵ ˛MRK1031FʵZ ˛MRK2031FʵZ ˒MRK1031FʵRʵZ ˛MRK2031FʵRʵZ ˓ʵ ʵ ˒MRK1031GʵZ ˛MRK2031GʵZ ˛MRK1031GʵRʵZ ˛MRK2031GʵRʵZ ˓˓ ʵ ʵ ˛MRK1031HʵZ ˛MRK2031HʵZ ˛MRK1031HʵRʵZ ˛MRK2031HʵRʵZ ˓˓ ʵ ʵ ˒MRK1031KʵZ ˛MRK2031KʵZ ˛MRK1031KʵRʵZ ˛MRK2031KʵRʵZ ˓ʵ ʵ ˒MRK1031LʵZ ˛MRK2031LʵZ ˒MRK1031LʵRʵZ ˛MRK2031LʵRʵZ ˓ʵ ʵ ˒MRK1041DʵZ ˛MRK2041DʵZ ˛MRK1041DʵRʵZ ˛MRK2041DʵRʵZ ˓˓˓˓ ON ON ON ON Connecting terminals Single Pole C1ʵ1C 1ʵ2C 1ʵ3C 1ʵ4 Double Pole C1ʵ1 C2ʵ5 C1ʵ2 C2ʵ6 C1ʵ3 C2ʵ7 C1ʵ4 C2ʵ8 ʢˎʣɿC2 is not available in single pole versions. ˔Terminal numbers are not shown on the switch. ˔Terminal numbers are not shown on the switch. ˒ɿMade to order products. ˔Position IV is not available in MRK1031 and MRK2031series.˛ ɿ Inquiry products. ˔In single pole versions, terminals (C2), (5), (6), and (7) are not provided. ˔Terminal numbers are not shown on the switch. ˔In switches with switching function D, E, F , G, H, K, and L, terminals (4) and (8) are not provided.

MRKʢ90˃step 2ʵpositionʣ Part No. Key removable position A portion Circuit function Connecting position Circuit diagram ᶗ position ᶘ position ᶗ position ᶘ position ˑMRK1012AʵZ ˛MRK2012AʵZ ˓˓ ON ONˑMRK1012BʵZ ˛MRK2012BʵZ ˓ ˒MRK1012CʵZ ˛MRK2012CʵZ ˓ ˒MRK1022BʵZ ˛MRK2022BʵZ ˓ ON ʢONʣ Connecting terminals Single Pole C1ʵ1C 1 ʵ2 Double Pole C1ʵ1 C2ʵ5 C1ʵ2 C2ʵ6 ʢˎʣɿC2 is not available in single pole versions. ʢONʣɿMomentary Part No. Key removable position A portion Circuit function Connecting position Circuit diagram ᶗ position ᶘ position ᶗ position ᶘ position ˒MRK1012AʵRʵZ ˒MRK2012AʵRʵZ ˓˓ ON ONˑMRK1012BʵRʵZ ˒MRK2012BʵRʵZ ˓ ˛MRK1012CʵRʵZ ˛MRK2012CʵRʵZ ˓ ˛MRK1022BʵRʵZ ˛MRK2022BʵRʵZ ˓ ON ʢONʣ Connecting terminals Single Pole C1ʵ1C 1 ʵ2 Double Pole C1ʵ1 C2ʵ5 C1ʵ2 C2ʵ6 ʢˎʣɿC2 is not available in single pole versions. ʢONʣɿMomentary ˔Right Angle Single Pole Double Pole ˔In single pole versions, terminals (C2), (5), and (6) are not provided. ˔Terminal numbers are not shown on the switch. ˔Terminal numbers are not shown on the switch. ˔Terminal numbers are not shown on the switch. ˒ɿMade to order products. ˛ ɿ Inquiry products. ʢONʣɿMomentary.ˑɿSemi-standard products. ˔PC type ɹStraight Single Pole, Double Pole

MRKCʢ45˃step 3ʵpositionʣ Part No. Key removable position A portion Circuit function Connecting position Circuit diagramʢˎʣ ᶗ position ᶘ position ᶙ position ᶗ position ᶘ position ᶙ position ˒MRKC1031Lʵ01ʵZ ˛MRKC1031Lʵ˞ʵZ ˛MRKC2031Lʵ˞ʵZ ˓ ON ON ON ˒MRKC1041Lʵ01ʵZ ˒MRKC1041Lʵ01BʵZ ˛MRKC1041Lʵ˞ʵZ ˛MRKC2041Lʵ˞ʵZ ˓ʢ ONʣ ON ʢONʣ Connecting terminals Single Pole C1 ʵ1C 1 ʵ2C 1 ʵ3 Double Pole C1ʵ1 C2ʵ5 C1ʵ2 C2ʵ6 C1ʵ3 C2ʵ7 ʢˎʣɿC2 is not available in single pole versions. ʢONʣɿMomentary Part No. Key removable position A portion Circuit function Connecting position Circuit diagram ᶗ position ᶘ position ᶙ position ᶗ position ᶘ position ᶙ position ˛MRKC1031LʵRʵ01ʵZ ˛MRKC1031LʵRʵ˞ʵZ ˛MRKC2031LʵRʵ˞ʵZ ˓ ON ON ON ˛MRKC1041LʵRʵ˞ʵZ ˛MRKC2041LʵRʵ˞ʵZ ˓ʢ ONʣ ON ʢONʣ Connecting terminals 1ʵpole C1 ʵ1C 1 ʵ2C 1 ʵ3 2ʵpole C1ʵ1 C2ʵ5 C1ʵ2 C2ʵ6 C1ʵ3 C2ʵ7 ʢˎʣɿC2 is not available in single pole versions. ʢONʣɿMomentary ˔Right Angle Single Pole, Double Pole ˔In single pole versions, terminals (C2), (5), (6), and (7) are not provided. ˔Terminal numbers are not shown on the switch. ˔In single pole versions, terminals (C2), (5), (6), and (7) are not provided. ˔Terminal numbers are not shown on the switch. The box ˞ should show Key Registration No. and Key Grip Material Code. ˒ɿMade to order products.˛ ɿ Inquiry products. ʢONʣɿMomentary. ˔PC type ɹStraight Single Pole, Double Pole

MRKCʢ60˃step 3ʵpositionʣ Part No. Key removable position A portion Circuit function Connecting position Circuit diagramʢˎʣ ᶗ position ᶘ position ᶙ position ᶗ position ᶘ position ᶙ position ˛MRKC1033Dʵ˞ʵZ ON ON ON ˛MRKC1033Lʵ˞ʵZ ˛MRKC2033Lʵ˞ʵZ ˓ Connecting terminals Single Pole C1 ʵ1C 1 ʵ2C 1 ʵ3 Double Pole C1ʵ1 C2ʵ5 C1ʵ2 C2ʵ6 C1ʵ3 C2ʵ7 ʢˎʣɿC2 is not available in single pole versions. ʢONʣɿMomentary Part No. Key removable position A portion Circuit function Connecting position Circuit diagramʢˎʣ ᶗ position ᶘ position ᶙ position ᶗ position ᶘ position ᶙ position ˒MRKC1033DʵRʵ01ʵZ ˛MRKC1033DʵRʵ˞ʵZ ˛MRKC2033DʵRʵ˞ʵZ ˓˓˓ ON ON ON ˛MRKC1033LʵRʵ˞ʵZ ˛MRKC2033LʵRʵ˞ʵZ ˓ Connecting terminals Single Pole C1 ʵ1C 1 ʵ2C 1 ʵ3 Double Pole C1ʵ1 C2ʵ5 C1ʵ2 C2ʵ6 C1ʵ3 C2ʵ7 ʢˎʣɿC2 is not available in single pole versions. ʢONʣɿMomentary ˔In single pole versions, terminals (C2), (5), (6), and (7) are not provided. ˔Terminal numbers are not shown on the switch. ˔In single pole versions, terminals (C2), (5), (6), and (7) are not provided. ˔Terminal numbers are not shown on the switch. ˔Right Angle The box ˞ should show Key Registration No. and Key Grip Material Code. ˒ɿMade to order products. ˛ ɿ Inquiry products. ˔PC type ɹStraight Single Pole, Double Pole Single Pole, Double Pole

MRKCʢ90˃step 2ʵpositionʣ ˔In single pole versions, terminals (C2), (5), (6), and (7) are not provided. ˔Terminal numbers are not shown on the switch. ˔In single pole versions, terminals (C2), (5), (6), and (7) are not provided. ˔Terminal numbers are not shown on the switch. ˔Right Angle The box ˞ should show Key Registration No. and Key Grip Material Code. ˒ɿMade to order products.˛ ɿ Inquiry products. Part No. Key removable position A portion Circuit function Connecting position Circuit diagramʢˎʣ ᶗ position ᶘ position ᶗ position ᶘ position ˒MRKC1012Aʵ01ʵZ ˛MRKC1012Aʵ˞ʵZ ˛MRKC2012Aʵ˞ʵZ ON ON ˛MRKC1012Bʵ˞ʵZ ˛MRKC2012Bʵ˞ʵZ ˓ ˛MRKC1022Bʵ˞ʵZ ˛MRKC2022Bʵ˞ʵZ ˓ ON ʢONʣ Connecting terminals Single Pole C1ʵ1C 1 ʵ2 Double Pole C1ʵ1 C2ʵ5 C1ʵ2 C2ʵ6 ʢˎʣɿC2 is not available in single pole versions. ʢONʣɿMomentary Part No. Key removable position A portion Circuit function Connecting position Circuit diagramʢˎʣ ᶗ position ᶘ position ᶗ position ᶘ position ˛MRKC1012AʵRʵ01ʵZ ˛MRKC1012AʵRʵ˞ʵZ ˛MRKC2012AʵRʵ˞ʵZ ON ON ˛MRKC1012BʵRʵ˞ʵZ ˛MRKC2012BʵRʵ˞ʵZ ˓ Connecting terminals Single Pole C1ʵ1C 1 ʵ2 Double Pole C1ʵ1 C2ʵ5 C1ʵ2 C2ʵ6 ʢˎʣɿC2 is not available in single pole versions. ʢONʣɿMomentary ʢONʣɿMomentary. ˔PC type ɹStraight Single Pole, Double Pole Single Pole, Double Pole

MRKɾMRKC ˙PC Hole Layouts ʢTop Viewʣ Poles Single pole ɾ Double poles Terminals Steps 2ʵstepʢ90˃ʣ 3ʵstepʢ45˃ɾ 60˃ʣ 4ʵstepʢ45˃ʣ PC type Straight Right angle PC type Straight Right angle For stand-off pins For terminal pins ˙Key Mounting Dimensions Series MRK MRKC Grip Material Plastic Metal Plastic Dimensions 1. Soldering ᾇManual Soldering Device ɿSolder iron. 360ˆ Max. 3 sec. Max. ᾈAuto Soldering MethodɿJet wave or dip type 275ˆ Max. 6 sec. Max ˔Preheat should be within 80-120ˆ, 120sec. ˙Precautions 2. Flux Cleaning ᾇSolvent : Alcohol type. ᾈMRK and MRKC series are not washable. To wash the PC board, clean the soldering surface of the PC board with a brush so that the switch is not exposed to the cleaning solution. Speci/g196 cations subject to change without notice.