MR(30°Step) Miniature Rotary Switches RoHS compliant ■Features 1. A high-density switch featuring 12 contacts with the same outside diameter as MR 10-contact type. 2. For the terminals, the crimping type is employed and the epoxy sealing is applied to prevent ux entry. 3. Adoption of the wiping mechanism for the contacting area to ensure contacting stability and reliability. ■ Specications Contact plating. Rating Max. 150mA 125VAC Min. 10mA 5V AC/DC Dielectric strength 500VAC 1 minute （500VDC） Insulation resistance 100MΩ min. Electrical life 10,000 cycles Operating force 14.7N・cm max. Stopper strength 49N・cm Operating temperature range Storage temperature range −10〜＋65℃ −20〜＋85℃ ■Terminal Style 2 − 6 Series code G − Z Number of poles Number of position Contact plating 1 2 3 4 1pole 2poles 3poles 4poles 12 12position 6position 6 4position 4 3position 3 None Silver plated G Gold plated ■ Standard Accessories 《Supplied with switch》 Part name Part No. Hex Nut Lockwasher ■Panel Cut-Out Dimensions Panel thickness : 2.5 mm max. Locking Ring 140008010241 140008030051 140008020066 With Locking Ring Without Locking Ring Dimensions Finish Gold plated Initial contact resistance 30mΩ max.（1A 2〜4VDC） 30mΩ max.（1.5mA 200μVAC） ■Part Numbering MR Silver plated Nickel plated Zinc plated ●A wide variety of optional accessories are available. Specify the part number from Optional Accessories Table on page 567. ●For Soldering Specications and Flux Cleaning, see page 566. MR（30°step） MR1−12−Z 1−pole 12−position Terminal numbers are shown on the switch. Part No. Number of steps ★MR1−12−Z 360°Endless Step angle 30° D-cut 1/4″-40 THD Circuit diagram MR2−6−Z 2−pole 6−position Terminal numbers are shown on the switch. Part No. ★MR2−6−Z ★MR2−6G−Z Number of steps Step angle 5 30° Repetition of from 1 to 6 D-cut 1/4″-40 THD Circuit diagram MR3−4−Z 3−pole 4−position Terminal numbers are shown on the switch. Part No. ★MR3−4−Z ★MR3−4G−Z Number of steps Step angle 3 30° Repetition of from 1 to 4 D-cut 1/4″-40 THD Circuit diagram MR4−3−Z 4−pole 3−position Terminal numbers are shown on the switch. Part No. ★MR4−3−Z − Number of steps Step angle 2 Repetition of from 1 to 3 30° D-cut 1/4″-40 THD Circuit diagram ●The circuit diagrams show the switches as viewed from the terminal side with the shaft fully turned in the counter-clockwise direction. Note that the MR1-12 is of an endless type, check the connecting terminals with a circuit tester. ★：Made to order products. MR（30°step） ■Handling Precautions 1. Soldering Specications 2. Mounting of Accessories Manual Soldering Mounting of accessories should be done after soldering Device: Soldering iron and ux cleaning. 380℃, Max.; 3 seconds, Max. 3. Ambient Conditions Do not use the switches under the environment where the silver plating is subjected to contact failures by sulfuric gas, ammonia gas or other corrosive gases. Under the environment where dust and dirt exist, use waterproof type switches. ■Packaging Specications Series Perforated Plastic Bags MR・MRE series 25 pcs/pack