t he cole series s3900 miniature p.c. termination rotary switch is designed to provide the ultimate mechanical and electrical reliability in instrumentation, industrial controls, medical equipment, aircraft, computers, communication, weapons, and ground support electronic equipment. this precision switch is designed for high and low level switching, engineered to meet the requirements of mil-s-3786 and tested per mil-std-202 as follows: ? thermal shock per mil-std-202; method 107, test condition b ? vibration per mil-std-202; method 204, test condition b ? medium shock per mil-std-202; method 213 ? high shock per mil-std-202; method 207 ? moisture resistance per mil-std-202; method 106 ? explosion proof per mil-std-202; method 109 ? salt spray per mil-std-202; method 101, condition b the series s3900 is available with 30, 36 and 45 indexing and one to six poles per deck. self cleaning contacts are ideal for low level switching and offer low contact resistance through the life of the switch (25,000 cycles minimum). a hardened steel sprocket and ball bearing detent mechanism provides smooth positive detent action and mechanical life in excess of 100,000 cycles. coles unique terminal design and sealing technique prevents flux contamination during wave soldering and cleaning processes. internal plastic parts are made of fiber filled plastic to prevent degrading and interior contamination by plastic dust. finally, superior construction, in a clean room environment, ensures ultimate performance and reliability from the cole series s3900 rotary switch. s3900 series miniature multi-deck solder-lug rotary switches iso9001 certified
2650 south croddy way p.o. box 25063 santa ana, california 92799-5063 usa phone 714.556.3100 sales fax 714.241.9061 www.cole-switches.com iso9001 certified s3900 series s3900 series miniature multi-deck solder-lug rotary switches s3900 standard C .125 shaft diameter (see page 3) s3900 standard C .250 shaft diameter (see page 4) s3900 screwdriver C .250 shaft diameter (see page 4) s3900 screwdriver C .125 shaft diameter (see page 3) s3900 series/page 2 notes: s3900 standard C .125 shaft dia., .250 ferrule dia., .688 body dia., (see page 3). s3900 screwdriver C .125 shaft dia., .250 ferrule dia., 0.688 body dia., (see page 3). s3900 standard C .250 shaft dia., .375 ferrule dia., .688 body dia., panel seal, (see page 4). s3900 screwdriver C .250 shaft dia., .375 ferrule dia., 0.688 body dia., panel seal, (see page 4).
2650 south croddy way p.o. box 25063 santa ana, california 92799-5063 usa phone 714.556.3100 sales fax 714.241.9061 www.cole-switches.com iso9001 certified s3900 series s3900 series miniature multi-deck solder-lug rotary switches s3900 series/page 3 s3900 series features: ? flux contamination free. ? ball bearing-smooth detent indexing. ? mil-s-3786 qualifed. ? constant low contact resistance. ? 1 amp. power switching. ? rugged, high impact construction. ? 100,000 plus operation life cycle. notes 1. dimensions are in inches. 2. unless otherwise specifed, tolerances are .005 and 2 on angles (non-accumulative). 3. shaft fat opposite position being made. 4. add .218 to the length for each additional deck. 5. for switches with more than 5 decks the stud projection is .312 plus. 6. if more than 12 decks or 48 poles are required, contact the factory . 7. switches are provided with full circle of terminals, regardless of the number of active positions. 8. a .432 dimension, non-turn washer is available for .250 shaft dia. upon request. s3900 series .125 shaft diagram
2650 south croddy way p.o. box 25063 santa ana, california 92799-5063 usa phone 714.556.3100 sales fax 714.241.9061 www.cole-switches.com iso9001 certified s3900 series s3900 series miniature multi-deck solder-lug rotary switches s3900 series/page 4 ordering information multideck switches add the total number of deck required as a dash no. after the part number. sample code switch shown in the sample code is 45 indexing, 2 pole per deck, 4 positions per pole, 3 decks, with shorting type contacts. can be ordered as qpl part no. m3786/39-xxx options the following options can be added to the standard switch. when ordering, simply add the letters after the basic part number. options listed in alphabetical order only. a = adjustable stops. f = fixed stop between the frst and last position on a full turn switch. g = rfi-emi shielding. l = dry circuit (low level). p = panel and shaft seals. q = 1/4 dia. shaft (omit for 1/8 dia. shaft) s = shorting type switch. (available in all confgurations. omit for non-shorting). sd = screwdriver slot. t = pre-tinned terminals. y = optional .432 non-turn washer. z = mounting bushing washer. shorting decks (o mit fo r non -sh orting ) number o f decks numb er of positions per pole numb er of poles degree bet we en positions cole b as ic s wit ch number s39 45 - 2 04 03 s notes 1. dimensions are in inches. 2. unless otherwise specifed, tolerances are .005 and 2 on angles (non-accumulative). 3. shaft fat opposite position being made. 4. add .218 to the length for each additional deck. 5. for switches with more than 5 decks the stud projection is .312 plus. 6. if more than 12 decks or 48 poles are required, contact the factory . 7. switches are provided with full circle of terminals, regardless of the number of active positions. 8. a .432 dimension, non-turn washer is available for .250 shaft dia. upon request. s3900 series .250 shaft diagram
2650 south croddy way p.o. box 25063 santa ana, california 92799-5063 usa phone 714.556.3100 sales fax 714.241.9061 www.cole-switches.com iso9001 certified s3900 series s3900 series miniature multi-deck solder-lug rotary switches s3900 series/page 5 s3900 series C typical features schematic diagram (viewed from shaft end and shown in position #1) 36 indexing 30 indexing 45 indexing 60 indexing 90 indexing 1 pole/deck 2 poles/deck 3 poles/deck 4 poles/deck 6 poles/deck 1 pole/deck 2 poles/deck 1 pole/deck 2 poles/deck 4 poles/deck 1 pole/deck 2 poles/deck 1 pole/deck 2 poles/deck 3 poles/deck
2650 south croddy way p.o. box 25063 santa ana, california 92799-5063 usa phone 714.556.3100 sales fax 714.241.9061 www.cole-switches.com iso9001 certified s3900 series s3900 series miniature multi-deck solder-lug rotary switches s3900 series/page 6 internal tooth lock-washer hex-nut key washers 3/8 ferrule size mounting bushing washer 1/4 ferrule size mounting bushing washer 3/8 ferrule size voltage 115 vac or 30 vdc resistive voltage 30 vdc inductive (250 millihenries) data determined from life tests at 25c, 68% relative humidity at sea level. one cycle is a rotation of 360 and back to postion 1. based on life-limiting criteria specifed in technical data. recommended panel cutout 1/4 ferrule size recommended panel cutout 3/8 ferrule size typical features flatted ferrule life expectancy
2650 south croddy way p.o. box 25063 santa ana, california 92799-5063 usa phone 714.556.3100 sales fax 714.241.9061 www.cole-switches.com iso9001 certified s3900 series s3900 series miniature multi-deck solder-lug rotary switches s3900 series/page 7 internal tooth washer pa ne l se al ( wh en appli cable) .020 c/ l c/ l .020 .37 5 .37 5 .020 .31 2 .020 .25 0 .25 0 3 1946 .004 .21 9 fr om . 37 5 d ia . .036.00 3 dee p .066.00 2 wid e c/ l of po s. # 1 bu sh ing ke yway 3/ 8- 32 un ef -2 b thread 3/ 8- 32 un ef -2 a hex-nut key washe r c/ l 3 1946 po s. # 1 c/ l of 3 1 2 1 c 1 2 .7 50 dia . 4 7 6 5 c 2 c/ l 1 0 1 1 9 8 sh af t' s flat o ppo site po si ti on mad e 0. 09 4 .005 0.687 dia . .015 0. 56 2 .010 .062 dia.. 015 typ. ho le thru se ct io n "a" co nt rol led b y .2 50 dia. sh af t se ct io n "b" co nt rol led b y .1 25 dia. sh af t d im . " c" .050 (conta ct factory ) d im . " d " (c on ta ct fa ct ory) b2 typ. a1 typ. c/ l a1 typ. .2 50 dia . +. 00 1 -. 00 2 .1 25 dia . +. 00 1 -. 00 2 s3900 special C concentric shaft side view rear view front view
2650 south croddy way p.o. box 25063 santa ana, california 92799-5063 usa phone 714.556.3100 sales fax 714.241.9061 www.cole-switches.com iso9001 certified s3900 series s3900 series miniature multi-deck solder-lug rotary switches s3900 series/page 8 s3900 special C add-a-pot key washe r pa ne l se al ( wh en appli cable) internal tooth washer c/ l c/ l 3 1946 fr om . 37 5 di a. .036.00 3 deep .066.00 2 wide bu sh ing ke yway .21 9 .00 4 c/ l of po s. # 1 hex-nut 3/ 8- 32 un ef -2 a 3/ 8- 32 un ef -2 b thread 8 1 1 po s. # 1 c/ l of c 1 1 2 1 2 c/ l 5 3 4 6 7 c 2 c/ l 1 0 9 sh af t' s flat o ppo site po si ti on mad e 0 .0 94 .00 5 0 .6 87 .015 0 .5 62 .010 0 .1 22 .00 5 0 .1 25 +. 00 1 -. 00 2 0 .2 50 +. 00 1 -. 00 2 0 .2 50 .020 0 .2 50 .020 0 .1 40 .062 0 .0 18 .00 5 0 .0 63 .00 5 0 .3 75 .020 0 .3 75 .020 0 .3 12 0.7250 .050 0.5750 .020 0 .7 50 di a. .0 62 dia . .015 typ . ho le thru a 1 b 2 typ. a 1 c/ l side view rear view front view
2650 south croddy way p.o. box 25063 santa ana, california 92799-5063 usa phone 714.556.3100 sales fax 714.241.9061 www.cole-switches.com iso9001 certified s3900 series s3900 series miniature multi-deck solder-lug rotary switches s3900 series/page 9
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