212U1012N320RA

Series 212 ® CTS 212 Rotary Switch • Hill and valley detent • Balanced double bump detent spring • Excellent feel • 30˚, 60˚ or 90˚ indexing • Spring return styles available • Adjustable stop available • Solder lug and printed circuit terminals available • Molded stator prevents solder from flowing into the circuit • Custom switching patterns available • Index or wafers are available separately Electrical and Mechanical Specifications Indexing Double bump spring hill and valley detent with 30° indexing for 2 through 12 positions or 60° indexing from 2 to 6 positions. 90° indexing -consult CTS Voltage and Current Rating UL Rating: 3/4 amp at 125 VAC (shorting type only) Special Rating: 1/4 amp at 28 VDC (shorting or non shorting) 1 amp at 28 VDC Shorting Contact Resistance 0.008 to 0.010 ohm when measured from adjacent terminals Stop Strength 15" lbs (17.3Kg-cm). Torque Up to 48" oz. (3.5Kg-cm). Detent Rotational Life Standard: 25,000 cycles through 12 positions and return at 10 cycles per minute. Materials Shaft: Aluminum or unplated brass at CTS option Bushing: Standard — Brass Materials (continued) Detent Spring: Spring brass or nickel silver depending on torque requirements Front Plate: Zinc plated or nickel steel at CTS option Rotor Contacts, Stator Contacts and Terminals: Silver plated brass standard Stator Insulator: Glass reinforced thermoset material Bushing Lengths Standard: 3/8"-32 UNEF-2A Thread, 1/4" (6.35mm) or 3/8" (9.53mm) long. Special Lengths: Available as required — Brass Locating Lugs Standard: Left side .531" (13.5mm) radius Special: Right side .531" (13.5mm) radius or no lug Shaft Trim Standard: Plain round Special: Flat, slot, knurl, or mixed (flat with slot) Frames Machine screw, bolt & nut, or rivet construction Lubrication Special lubrication is used sufficient for the life of the index assembly under normal hand operation. Technical Data Sheet 1448C Technical Data Sheet 4212 CTS CORPORATION / MANUFACTURER OF RELIABLE ELECTRONIC COMPONENTS Physical Dimensions DIMENSION: MM INCH Detent Only Typical Assembled Switch MM INCH Available Terminal Styles DIMENSION: T-Style P-Style X-Style U-Style Ordering Information 212 DETENT STYLE 30° INDEX 212 – HILL & VALLEY T 01 POLES 01 – 1 POLE 10 – 10 POLES ETC. 02 N CONTACT TYPE N – NON SHORTING (BREAK BEFORE MAKE) 2 20 SHAFT FMS 1/32" INCREMENTS 20 – .625" (15.9MM) 24 – .750" (19.1MM) 28 – .875" (22.2MM) 32 – 1.000" (25.4MM) R N SPECIALS N – NONE A – ADJUSTABLE STOP B – 60˚ INDEX C – 90˚ INDEX D – NO LOCATING LUG E – LOCATING LUG RIGHT SIDE S – SHORTING (MAKE BEFORE BREAK) MOUNTING STYLE TERMINAL STYLE T – SOLDER LUG X – PC U – PC FORMED TO REAR P – X STYLE WITH .100" (2.54MM) SPACING BUSHING LENGTH: 1/8" INCREMENTS POSITIONS 02 – 2 POSITIONS 12 – 12 POSITIONS, ETC. EXAMPLES: 2 – .250" (6.35MM) 3 – .375" (9.5MM) BUSHING MOUNT SUPPLIED WITH LOCATING LUG LEFT SIDE TERMINALS DOWN SHAFT TRIM R – ROUND F – FLATTED .250" X .156" (6.35MM X 4.0MM) K – KNURLED EIA S148 S – SD SLOT .047" WIDE X .063" DEEP (1.2MM X 1.6MM) M – FLATTED .375” X .218” (9.53MM X5.54MM) WITH SLOT Order From: CTS CORPORATION, ELECTROCOMPONENTS / 1601 Mishawaka Street / Elkhart, Indiana 46514 North America Toll Free (888) 287-4690 / (219) 296-6700 / FAX: (219) 293-1240 http://www.ctscorp.com CTS COMPONENTS TAIWAN, LTD. / 7, Central 6th Road (Chung Liu Road) / P.O. Box 26-20 Kaohsiung Export Processing Zone / Kaohsiung, Taiwan, Rep. of China (07) 8216145 / FAX: (07) 8417642.8110040 2.5M-6-99I