Rotary Switches Single Deck Rotary Switches FEAtuRES SERIES 24 Positive Detent Provides 1 Diameter, 1 Amp, Operator Feedback .580 Behind Panel Stainless Steel or Plastic Shaft Option Unsur passed Perfor mance in Numerous Applications DIMENSIONS in inches (and millimeters) Solder Lug PC Mountable Circuit Diagram Solder Lug and PC Mount .312 .020 (7,93 0,51) .250 .020 (Switch is viewed from shaft end.) .109 .015 (6,35 0,51) Note: Common Terminal is (2,77 0,38) located above Base Terminal 10. .578 .030 .250 .020 (14,68 0,76) C (6,35 0,51) 8 L OF 7 BUSHING 9 6 .250 + .001/ .002 KEYWAY APPROX. (6,35 + 0,03/ 0,05) 1.015 .015 5 .750 (19,05) DIA. OVER C DIA. 1 (25,78 0,38) 10 TERMINAL ENDS AT DIA. INSERTION END 4 1 .531 .020 BUSHING KEYWAY 3 2 (13,49 0,51) .066 .002 (1,68 0,05) WIDE .036 .005 (0,91 0,13) DEEP ONE POLE FROM THE .375 (9,53) DIAMETER 3/8-32UNEF-2A t erminal Location (PC Mount) t ypical t erminal Detail (PC THREAD Mount) .363 (9,22) .564 .020 BASE TERMINAL .525 TYP. (14,33 0,51) .020 .002 (13,34) .294 (7,47) (0,51 0,05) .187 .005 TYP. TYP. COMMON TERMINAL (4,75 0,13) .016 .002 .347 (8,81) .937 .020 COMMON (0,41 0,05) TYP. (23,80 0,51) DIA. .213 .050 .002 36 5 (5,41) (1,27 0,05) 36 TYP. TYP. .096 .003 REF. .113 (2,87) (2,44 0,08) .219 .005 TYP. (5,56 0,13) Grayhill part number and date code marked on label. Customer part number marked on request. SPECIFICAtIONS St ANDARD OPtIONS Electrical Rating Special t erminals Rated: To make and break the following loads: Detent Balls: Steel, nickel-plated RFI grounding 1 amp at 115 Vac, resistive 0.5 amp at 220 Vac Shafts: Stainless steel, or plastic Not available through distributors. resistive 1/4 amp, 115 Vac inductive 1/50 amp, Detent: Opposing spring and ball in a hill and valley raceway. 115 Vdc inductive 1/10 amp, 6 to 28 Vdc induc- ORDERINg INFORMAtION tive 1/10 amp, 115 Vdc resistive 1 amp, 6 to 28 Detent Springs: Tinned music wire Switches are single deck, one pole switches Vdc resistive to carry 10 amps continuously. t erminals (except common): Brass, tin of 2 to 10 positions. They have plastic or steel Contact Resistance: 10 milliohms initial. plated. shaft, with solder lug or PC terminals, with either After 25,000 cycles of operation 20 milliohms Rotor Contact: Steel shaft versionphosphor shorting or non-shorting contacts (plastic shaft bronze, silver-plated .0003 minimum. Plastic maximum. PC mount in non-shorting only). Ten position Insulation Resistance: 50,000 Mohms shaft versionsilver alloy. switches have continuous rotation fixed stop minimum initially Stator (Base) Contact: Brass, silver-plated switch with a metal shaft is available by special voltage Breakdown: 1,000 Vac, (500 Vac, or .0003 minimum order. Base part numbers are as follows: better after most environmental tests). Common Plate, including Solder Lug or PC Lug style, steel shaft: 24001-X* t ab: Brass, silver-plated .0003 minimum Life Expectancy: 100,000 mechanical cycles Lug style, plastic shaft: 24B36-01-1-X* of operation normally. NOTE: Actual life is deter- Rotor Mounting Plate: Nylon fabric-based PC style, steel shaft: 24878-X* mined by a number of factors, including electrical laminated phenolic per MIL-T-15047 PC style, plastic shaft: 24P36-01-1-X* loading, rate of rotation, and environment, as Mounting Nut: Brass, tin/zinc-plated or stain- well as maximum contact resistance, minimum less steel. The X is replaced with the number of positions insulation resistance, and minimum voltage required (02, 03, etc.) Complete the part number breakdown required at the end of life. Additional Characteristics by adding N for non-shorting contacts or S for Stop Strength: 12 in-lbs shorting contacts. Rotational t orque: 12 in-ozs Materials and Finishes Switch Base: Melamine per (MIL-M-14) Shaft Flat Orientation: Opposite point of contact Available from your local g rayhill ASTM-D-5948 (See circuit diagram.) Distributor. Cover, Stop washers, Bushing: Brass, tin/ Environmental: These switches have passed For prices and discounts, contact a local zinc-plated the following environmental testing: Altitude and Sales Office, an author ized local temperature, 100 hour salt spray Vibration 10 to Contacts: Both shorting and non-shorting Distributor or Grayhill. wiping contacts have over 300 grams contact 500 cps Shock 30-G Humidity Fungus. force. PC Mount: PC Switches are furnished with 10 Retaining Rings, Stop Arms, and t hrust base terminals for mounting purposes. washers: Stainless steel Grayhill, Inc. 561 Hillgrove Avenue LaGrange, Illinois 60525-5997 USA Phone: 708-354-1040 Fax: 708-354-2820 www.grayhill.com TERMINAL 9 IN LINE WITH KEYWAY