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t he cole series p3900 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 p3900 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. cole?s 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 p3900 rotary switch. p3900 series miniature multi-deck flux-proof rotary switches iso9001 certified
p3900 series p3900 series miniature multi-deck flux-proof rotary switches 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 p3900 series/page 2 p3900 standard ? .250 shaft diameter (see page 4) notes: p3900 standard ? .125 shaft dia., .250 ferrule dia., .688 body dia., (see page 3). p3900 screwdriver ? .125 shaft dia., .250 ferrule dia., 0.688 body dia., (see page 3). p3900 standard ? .250 shaft dia., .375 ferrule dia., .688 body dia., panel seal, (see page 4). p3900 screwdriver ? .250 shaft dia., .375 ferrule dia., 0.688 body dia., panel seal, (see page 4). p3900 screwdriver ? .250 shaft diameter (see page 4) p3900 standard ? .125 shaft diameter (see page 3) p3900 screwdriver ? .125 shaft diameter (see page 3)
p3900 series p3900 series miniature multi-deck flux-proof rotary switches 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 p3900 series/page 3 p3900 series features: flux contamination free. ball bearing-smooth detent indexing. mil-s-3786 quali ed. 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 speci ed, tolerances are .005 and 3 on angles (non-accumulative). 3. shaft at 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. with 2 or more decks, spacing decks are available. the spacers are the same thickness as a deck (.218) figure a .125 shaft diagram
p3900 series p3900 series miniature multi-deck flux-proof rotary switches 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 p3900 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. notes: 1. dimensions are in inches. 2. unless otherwise speci ed, tolerances are .005 and 3 on angles (non-accumulative). 3. shaft at opposite position being made. 4. add .218 to the length for each additional deck. 5. for standard, shaft at is .250 6. for standard, shaft length is .375 .020 7. for switches with more than 5 decks, the stud projection is .312 8. switches are provided with full circle of terminals, regardless of the number of active positions. 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 rst 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 con gurations. omit for non-shorting). sd = screwdriver slot. t = pre-tinned terminals. y = optional .432 non-turn washer. z = mounting bushing washer. figure b .250 shaft diagram shorting decks (omit for non-shorting) number of decks number of positions per pole number of poles degree between positions cole basic switch number s39 45 - 2 04 03 s
p3900 series p3900 series miniature multi-deck flux-proof rotary switches 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 p3900 series/page 5 p3900 specials ? concentric shaft side view front view rear view
p3900 series p3900 series miniature multi-deck flux-proof rotary switches 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 p3900 series/page 6 p3900 specials ? add-a-pot side view front view rear view
p3900 series p3900 series miniature multi-deck flux-proof rotary switches 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 p3900 series/page 7 terminal pin location
p3900 series p3900 series miniature multi-deck flux-proof rotary switches 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 p3900 series/page 8 terminal pin location
p3900 series p3900 series miniature multi-deck flux-proof rotary switches 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 36 indexing 45 indexing 30 indexing p3900 series/page 9
p3900 series p3900 series miniature multi-deck flux-proof rotary switches 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 p3900 series/page 10 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 postio n 1. based on life-limiting criteria speci ed in technical data. recommended panel cutout 1/4 ferrule size recommended panel cutout 3/8 ferrule size typical features flatted ferrule life expectancy
p3900 series p3900 series miniature multi-deck flux-proof rotary switches 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 p3900 series/page 11

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