series 19 2 diameter, 15 amp features ? ul recognized ? rugged construction ? choice of termination solder lug terminals faston terminals all dimensions not shown are the same as the solder lug terminals. grayhill part number and date code marked on label. customer part number marked on request. dimensions in inches (and millimeters) 1.687 C .030 (42,85 C 0,76) dia. 3/8-32 unef-2a thread .950 C .060 (24,13 C 1,52) .375 C .020 (9,53 C 0,51) .500 C .020 (12,7 C 0,51) bushing keyway .066 C .003 wide (1,68 C 0,08) .036 C .005 deep (0,91 C 0,13) .344 C .010 (8,74 C 0,25) .250 C .005 (6,35 C 0,13) dia. hex mtg nut 9/16 C .010 (14,29 C 0,25) across flat s 3/32 C .010 (2,38 C 0,25) thick .88 (22,4) 2.00 (50,8) solder terminals wire hole .125 (3,18) 1.687 .030 (42,85 0,76) dia. .88 (22,4) 2.28 (57,91) dia. for amp .250 series or equivalent wire hole .080" (2,03) .219 .005 (5,56 0,15) specifications electrical rating rated: ul recognition: file number e35289 15 amps, 120 vac, non-inductive load. one amp, 120 vdc, non-inductive load. additional grayhill rating: 7.5 amps, 220 vac, non-inductive load. this rating is based on the following criteria: overload50 operations at 125% rated ac load and 150% rated dc load. endurance6000 operations at rated load with 900 vac dielectric strength before and after test. temperature risenot to exceed 30c when carrying rated ac load after endurance test. contacts will carry 20 amps at 115 volts ac with 30c maximum temperature rise. contact resistance: (measured at 2 vdc and approximately 100 ma) for new switch approximately 10 milliohms. insulation resistance: approximately 100,000 mohms. between mutually insulated parts. voltage breakdown: approximately 2500 vac between mutually insulated parts. materials and finishes rotor contact: silver alloy stator contact: silver alloy shaft: 303 stainless steel stop rivet: steel, tin/zinc-plated mounting bushing: brass, tin/zinc-plated base and drive hub: heat resistant, electrical grade phenolic. mounting nut: brass, tin/zinc-plated or stain - less steel. detent mechanism: brass, silver-plated faston terminal: brass, silver-plated solder terminal: brass, silver-plated mounting hardware: one mounting nut 9 / 16 " across fats, 3 / 32 " thick and one non-turn washer (see detail) are supplied with each switch. additional characteristics single pole, single deck: 2 to 11 positions plus common 30 indexing. contacts: non-shorting type stops: a rivet provides the fxed stop on all switches. minimum number of positions is 2, and maximum is 11. terminal 12, the common, is isolated from rotation. rotational torque: 12 to 36 ounch- inches on average for new switches. contact force: approximately 12 ounces shaft flat orientation: opposite point of contact (see circuit diagram). circuit diagram viewed from shaft end with switch in position #1 non-turn washer detail .625 .010 (15,88 0,25) dia. .187 .003 (4,75 0,08) .500 .005 (12,7 1,27) .060 .010 (1,52 0,25) .093 + .015/ C .000 (2,36 + 0,38/ C 0,00) .025 .002 (0,64 0,05) accessories screw terminal adapter spring loaded, plug-in adapters for faston terminals provide excellent mechanical ft and electrical contact. adapter material is brass tin-plated. the terminal adapters are available with a 6-32 thread (-1) or 8-32 thread (-2). a 1/4" panhead screw is provided as part of the adapter. part no. sc906-1 .........6-32 thread part no. sc906-2 .........8-32 thread non-turn washer brass, tin/zinc-plated washer, detailed above may be purchased as a separate item. part no. 19c1014. ordering i nformation part numbers: designate as follows, using the 2 digits after the dash to indicate the number of positions. for faston terminal: use 19101-02ul through 19101-11ul for solder terminal: use 19001-02ul through 19001-11UL specials: not available through distributors. for special shafts, bushings, etc. contact grayhill. 12 (common) 3 5 7 8 9 10 2 4 6 1 11 of bushing keyway rotary 15 available from your local grayhill distributor. for prices and discounts, contact a local sales offce, an authorized local distributor or grayhill. grayhill, inc. ? 561 hillgrove avenue ? lagrange, illinois 60525-5997 ? usa ? phone: 708-354-1040 ? fax: 708-354-2820 ? www.grayhill.com rotary switches single deck rotary switches
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