grayhill, inc. ? 561 hillgrove avenue ? lagrange, illinois 60525-5997 ? usa ? phone: 708-354-1040 ? fax: 708-354-2820 ? www.gr ayhill.com rotary switches single deck rotary switches solder lug style pc mount style for rear views, see following page. for rear views, see following page. angle of angle throw a 30 105 36 108 dimensions in inches (and millimeters) solder lug common grayhill 21109 .500 ? .015 (12,70 0,38) .203 .003 (5,16 0,08) across bushing flats a pos. 1 .094 .010 (2,39 0,25) .375 .015 (9,53 0,38) .250 .015 (6,35 0,38) ? .125 .002 (3,18 0,06) 1/4-28 unf-2a thread .250 .015 (6,35 0,38) .480 .020 (12,19 0,51) .125 .015 (3,18 0,38) series 56 0.5" diameter, 200ma, .355" behind panel features ? requires minimum distance behind the panel ? adjustable stop types provide prototypes immediately ? industrial quality, economically priced ? rohs compliant pc terminal detail pc common .110 .015 (2,79 0,38) .016 .004 sq. (0,4 0,10) .046 .004 (1,2 0,10) .016 .004 (0,4 0,10) .110 .015 (2,79 0,38) ? .025 .002 (0,64 0,05) angle of angle throw a 30 105 36 108 grayhill part number and date code marked on label. customer part number marked on request. solder lug terminal detail .063 .005 (1,60 0,13) .016 .004 (0,41 0,10) .046 .004 (1,17 0,10) .020 .004 (0,51 0,10) .125 .015 (3,18 0,38) ? .062 .002 (1,58 0,51) grayhill part number and date code marked on label. customer part number marked on request. grayhill 21109 .500 ? .015 (12,70 0,25) .203 .003 (5,16 0,08) across bushing flats a pos. 1 .094 .010 (2,39 0,25) ? .125 .002 (3,18 0,06) .250 .015 (6,35 0,38) .375 .015 (9,53 0,38) .250 .015 (6,35 0,38) 1/4-28 unef-2a thread .377 .020 (9,58 0,51) .110 .015 (2,79 0,38) rotary 11
grayhill, inc. ? 561 hillgrove avenue ? lagrange, illinois 60525-5997 ? usa ? phone: 708-354-1040 ? fax: 708-354-2820 ? www.gr ayhill.com rotary switches single deck rotary switches circuit diagrams and rear views: pc mountable and solder lug terminals rear view circuit as viewed from shaft end 30 angle of throw one pole two poles 36 angle of throw pc mount solder lug dimension terminals terminals a .184 .015 .126 .015 (4,67 0,38) (3,20 0,38) four poles one pole two poles 15 30 typ. .366 .015 (9,30 0,38) dia. circle of centers .190 .015 (4,83 0,38) dia. circle of centers (pc mount and solder lug) common location for 1 pole switch common location for 2 pole switch pos. 1 common location for 1 pole switch 18 36 typ. dimension a dia. circle of centers .340 .015 (8,64 0,38) dia. circle of centers common location for 2 pole switch pos. 1 15 30 typ. .366 .015 (9,30 0,38) dia. circle of centers .190 .015 (4,83 0,38) dia. circle of centers (pc mount and solder lug) pos. 1 7 8 9 10 11 12 1 2 3 4 5 6 c2 c1 6 7 8 9 10 1 2 3 4 5 7 8 9 10 11 12 1 2 3 4 5 6 7 8 9 10 11 12 1 2 3 4 5 6 c3 c4 c2 c1 c2 c1 6 7 8 9 10 1 2 3 4 5 specifications electrical ratings chart shown for non-shorting (break before make) contacts, resistive load. 300 200 0 0 10 20 30 cycles x 1000 115 vac 0r 30 vdc current - milliamps 100 one cycle is 360 rotation clockwise and 360 return. the data for the curve was measured at sea level, 25c and 68% relative humidity with the life limiting criteria which follows. contact resistance: 100 milliohms maximum, (15 milliohms initially). insulation resistance: 10,000 mohms minimum between mutually insulated parts (50,000 mohms initially). voltage breakdown: 600 vac minimum between mutually insulated parts at standard atmospheric pressure. life expectancy: as determined from the load- life curve for the current to be switched. contact grayhill for more information if any of the following is true: the life limiting criteria are more critical than those listed; longer operation is required; a larger make and break current is required; the operating environment includes elevated temperatures or reduced pressures. contact carry rating: switch will carry 6 amperes continuously with a maximum contact temperature rise of 20c. additional characteristics contact type and forces: shorting or non- shorting wiping contacts with over 25 grams of contact force. shaft flat orientation: flat opposite contacting position of pole number one (see circuit diagrams). terminals: switches have the full circle of terminals, regardless of number of active posi tions. stop strength: 7.5 lb-in. minimum rotational torque: 3.5 to 9 oz-in. (21-53 mn- m), depending on the number of poles. bushing mounting: required for switches with stops, and recommended for switches without stops. meets mil-s-3786 for: high and medium shock; vibration (10 to 2,000 hz); thermal shock (-65 to 85 c); salt spray; explosion; stop strength (7.5 in-lbs. minimum (.85 n-m); terminal strength; sealed styles withstand water pressure of 15 psi minimum (103 kpa) without leakage. materials and finishes housing: zinc die cast, tin zinc plated mounting nut: brass, zinc plated lockwasher: spring steel, zinc plated panel seal: silicone rubber shaft and stop arm: zinc die cast retaining ring: 302 stainless steel, passivated shaft seal: silicone rubber stop pins: 303 stainless steel, passivated detent rotor: molded thermoplastic detent spring: tinned music wire detent balls: steel, nickel-plated contact spring: stainless steel, passivated rotor contact: brass, silver over nickel plate common ring: brass, gold over silver over nickel plate terminals: brass, gold over silver over nickel plate switch base: molded thermoset plastic mounting hardware: one mounting nut .089" thick by .375" across flats and one internal tooth lockwasher are supplied with the switch. rotary 12
grayhill, inc. ? 561 hillgrove avenue ? lagrange, illinois 60525-5997 ? usa ? phone: 708-354-1040 ? fax: 708-354-2820 ? www.gr ayhill.com rotary switches single deck rotary switches shaft and panel seal: style s screwdriver slotted shaft: option adjustable stop switches suggested adjustable stop substitution guide fixed stop adjustable stop fixed stop adjustable stop style style equivalent style style equivalent 56a 56d 56b 56bd 56s 56sd 56bs 56bsd 56p 56dp 56bp 56bdp 56sp 56sdp 56bsp 56bsdp adjustable stop pins adjustable stop pins removable sticker for adjustment of stops removable seal washer for adjustment of stops panel is sealed by a flat rubber seal washer at the base of bush- ing. shaft is sealed by an o- ring inside the bushing. after the switch is mounted, seals do not alter the dimensions of the unsealed style. series 56 rotary switches are available with a screwdriver slotted shaft with dimensions as shown. available in the styles, angles of throw and pole/ positions combinations shown in the choice and limitations chart. seal two stop pins and an adhesive backed sticker or seal washer are provided. sticker is temporarily removed to locate stop pins as desired to limit the shaft rotation. all dimensions are identical to the fixed stop switch counterpart. in inches (and millimeters) cut round hole for the bushing and for the non-turn tab. washer fits the double d bushing flats. washer is sold only when accompanied by an order for a like number of switches. washer is 302 stainless steel. part no. 50j1066 accessory: non-turn washer .250 .003 (6,35 0,08) .060 .001 (1,52 0,25) .400 .005 dia. (10,16 0,13) 90 1 .125 .005 (3,16 0,13) .015 (0,38) radius max. .025 .001 (0,64 0,03) adjustable stop screwdriver slotted shaft shaft and panel seal a .032 .005 (0,81 0,13) .125 .015 (3,18 0,38) .050 .005 (1,27 0,13) rotary 13
grayhill, inc. ? 561 hillgrove avenue ? lagrange, illinois 60525-5997 ? usa ? phone: 708-354-1040 ? fax: 708-354-2820 ? www.gr ayhill.com rotary switches single deck rotary switches angle number number of shorting or of of positions non-shorting throw poles per pole contacts choices and limitations: series 56 30 36 screwdriver slotted shaft equivalent adjustable stops 1 shaft/panel seal pc mount terminals solder lug terminals style designation features ax b sx x bs px bp sp x x bsp dx xbd sd x x x bsd dp x x bdp sdp x x x bsdp 1 adjustable stop versions allow selection of 2 positions to the maximum number of positions per pole. ordering information 1 02 thru 12 n or s 2 02 thru 06 n or s 4 02 or 03 n or s 1 02 thru 10 n or s 2 02 thru 05 n or s series style: letters from choices chart angle of throw: 30 or 36 56a36C01C1C10nCf stop arrangement: the suffix c or f must be added to a one pole per deck switch with the maximum number of positions to indicate continuous rotation (c) or fixed stops (f) between position 1 and the last position. type of contacts: n = non-shorting, s = shorting positions per pole: 02 as a minimum to the maximum allowable for the angle of throw and number of poles per the choices chart. use the letters aj in this location if adjustable stop switch is to be ordered. poles per deck: limited by angle of throw. see chart number of decks: 01 only standard options available from your local grayhill distributor for prices and discounts, contact a local sales office, an authorized local distributor, or grayhill. not available thru distributors when intermixing of shorting and non-shorting contacts. contact grayhill. a = standard, 1/8" shaft b = screwdriver slot shaft d = adjustable stop (adj. stop) p = pc mount terminals s = shaft/panel seal (s/p seal) rotary 14
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