212U01S220FD3

Series 212 ® CTS 212 Rotary Switches Features • Hill and valley detent • Balanced double bump detent spring • Excellent feel • 30˚ or 60˚ 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 • RoHS compliant Electrical and Mechanical Specifications Indexing Bushing Lengths Standard: 3/8"-32 UNEF-2A Thread,1/4" (6.35mm) Double bump spring hill and valley detent with standand or 3/8" (9.53mm) long. 30° indexing for 2 through 12 positions or with special Special Lengths: Available as required 60° indexing from 2 to 6 positions. Special 90° indexing consult CTS Locating Lugs Voltage and Current Rating Standard:Left side .531" (13.5mm) radius UL Rating: 3/4 amp at 125 VAC (shorting type only) Special:Right side .531" (13.5mm) radius or no lug Special Rating: 1/4 amp at 28 VDC (shorting or non shorting) Shaft Trim 1 amp at 28 VDC (shorting type only) Standard:Plain round Contact Resistance Special:Flat, slot, knurl, or mixed (flat with slot) 15 milliohms max. when measured from adjacent terminals Frames Stop Strength Machine screw, bolt & nut, or rivet construction 15 in-lb (17.3Kgf-cm). Torque Lubrication Up to 48 in-oz. (3.5Kgf-cm). Special lubrication is used sufficient for the life of the index assembly under normal hand operation. 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 Detent Spring: Spring brass or nickel silver depending on torque requirements Front Plate: Zinc plated or nickel plated plated steel at CTS option Rotor Contacts, Stator Contacts and Terminals: Silver plated brass standard Stator Insulator: Glass reinforced thermoset material 1-3 CTS Electronic Components © 2007 CTS Corporation. All rights reserved. Information subject to change. 01/19/07 www.ctscorp.com Physical Dimensions 7.12 .280 1.98 .078 "A"± 3.56 .140 0.4 .016 9.12 .359 28.6 1.125 1.98 .078 L A 6.35 .250 * 3/8"-32 UNEF 2A THD. 26.98 1.062 33.3 1.312 6.35 .250 3.18 .125 Ø6.35 .250 "L"± 0.8 .031 3.2 .125 13.5 .531 * NOTE : 10.82/.426 DIMENSION BASED UPON USE OF ONE 6.35/.250 SPACE NO SPACERS OR SPACERS OF NUMEROUS LENGTHS ARE AVAILABLE TO PROVIDE PIN SPACINGS AS REQ'D 11.35 .447 10.82 .426 * DIMENSION: mm INC H Detent Only Typical Assembled Switch Available Terminal Styles 36.6 1.44 39.95 .687 5.74 .226 (7) 1.573 26.98 1.062 36.44 1.433 38.0 1.496 3.7 .146 17.44 .687 2.54 .100 (13) 21.0 17.44 26.2 1.03 22.1 .870 .687 .827 17.44 X-Style Y-Style Ø38.76 TO OUTSIDE 1.526 OF TERMINALS 33.32 13.49 .531 Ø1.98 .076 HOLE @ 15° AS REQUIRED 1.312 15° 26.98 1.062 R15.09 .594 2-CLEARANCE HOLES FOR #4-40 PANHEAD SCREWS P.C. BOARD MOUNTING HOLE T-Style Ø2.94±0.05 (2)THR. HOLE .116±.002 7.88 .310 7.09 .279 4.46 .176 4.95 .279 1.28 .050 2.79 .110 U-Style DIMENSION: mm INC H P-Style 2-3 CTS Electronic Components © 2007 CTS Corporation. All rights reserved. Information subject to change. 01/19/07 www.ctscorp.com Ordering Information 212 T 01 02 POLES 01 – 1 POLE 10 – 10 POLES ETC. N CONTACT TYPE N – NON SHORTING S – 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 D – NO LOCATING LUG E – LOCATING LUG RIGHT SIDE 1 INDEX OR ADJUSTABL STOP BLANK – STANDARD 1 – 60° INDEX 2 – 30° INDEX WITH ADJUSTABLE STOP 3 – 60° INDEX WITH ADJUSTABLE STOP (BREAK BEFORE MAKE) MOUNTING STYLE TERMINAL STYLE T – SOLDER LUG X – PC U – PCFORMED TO REAR P – PC WITH .100" (2.54mm) SPACING Y – X STYLE WITH .870" (22.1mm) MEIGHT STAND OFF. 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 .375" X .156" (9.53mm X 4.0mm) K – KNURLED EIA S148(24 TEETH) S – SD SLOT .047" WIDE X .063" DEEP (1.2mm X 1.6mm) M – FLATTED .375” X .218” (9.53mm X 5.54mm) WITH SLOT 3-3 CTS Electronic Components © 2007 CTS Corporation. All rights reserved. Information subject to change. 01/19/07 www.ctscorp.com