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 10578 .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) DIA213 .050 .002 36 5 (5,41) (1,27 0,05) 36 TYP. TYP096 .003 REF113 (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. SPECIFICAt IONS Detent Balls: Steel, nickel-plated ORDERINg INFORMAtION Shafts: Stainless steel, or plastic Electrical Rating Switches are single deck, one pole Detent: Opposing spring and ball in a hill and Rated: To make and break the following loads: switches of 2 to 10 positions. They have valley raceway. 1 amp at 115 Vac, resistive 0.5 amp at 220 Vac plastic or steel shaft, with solder lug or PC Detent Springs: Tinned music wire terminals resistive 1/4 amp, 115 Vac inductive 1/50 amp, terminals, with either shorting or non-shorting (except common): Brass, tin plated. 115 Vdc inductive 1/10 amp, 6 to 28 Vdc induc- contacts (plastic shaft PC mount in non- Rotor Contact: Steel shaft versionphosphor tive 1/10 amp, 115 Vdc resistive 1 amp, 6 to 28 shorting only). Ten position switches have bronze, silver-plated .0003 minimum. Plastic shaft Vdc resistive to carry 10 amps continuously. continuous rotation fixed stop switch with a versionsilver alloy. Contact Resistance: 10 milliohms initial. metal shaft is available by special order. Base Stator (Base) Contact: Brass, silver- After 25,000 cycles of operation 20 milliohms part numbers are as follows: plated .0003 minimum maximum. Lug style, steel shaft: 24001-X* Common Plate, including Solder Lug or PC Insulation Resistance: 50,000 Mohms Lug style, plastic shaft: 24B36-01-1-X* tab: Brass, silver-plated .0003 minimum Rotor minimum initially PC style, steel shaft: 24878-X* Mounting Plate: Nylon fabric-based laminated voltage Breakdown: 1,000 Vac, (500 Vac, or PC style, plastic shaft: 24P36-01-1-X* phenolic per MIL-T-15047 better after most environmental tests). Mounting Nut: Brass, tin/zinc-plated or s tainless Life Expectancy: 100,000 mechanical cycles The X is replaced with the number of positions steel. of operation normally. NOTE: Actual life is deter- required (02, 03, etc.) Complete the part number mined by a number of factors, including electrical by adding N for non-shorting contacts or S for loading, rate of rotation, and environment, as shorting contacts. Additional Characteristics well as maximum contact resistance, minimum Stop Strength: 12 in-lbs insulation resistance, and minimum voltage Rotational torque: 12 in-ozs RECOMMENDED PANEL CUTOUT breakdown required at the end of life. Shaft Flat Orientation: Opposite point of contact +. (See circuit diagram.) 00 5 . D . 37 IA 5 - .000 Environmental: These switches have passed Materials and Finishes 0 060 the following environmental testing: Altitude and Switch Base: Melamine per (MIL-M-14) + 002 temperature, 100 hour salt spray Vibration 10 to ASTM-D-5948 500 cps Shock 30-G Humidity Fungus. Cover, Stop washers, Bushing: Brass, tin/ Operating Temperature Range: -40 C to +85 C zinc-plated PC Mount: PC Switches are furnished with 10 Contacts: Both shorting and non-shorting base terminals for mounting purposes. wiping contacts have over 300 grams contact force. STANDARD OPTIONS Retaining Rings, Stop Arms, and t hrust + .003 . 1 Special Terminals & RFI Grounding 545 washers: Stainless steel - . 000 Not available through distributors. 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 KEYWAYRotary Switches Multi-Deck Rotary Switches ACCESSORIES .060 .002 .625 .010 Internal Tooth LockwasherFigure A bushing to the panel. The kit consists of four (1,52 0,05) (15,88 0,25) 3 items: a grooved hex nut, a keyed washer, a For a /8 bushing. Approximately 0.500 (12,7) DIA. keyed seal and a non-turn washer. Assembly is .376 + .003 .000 outside diameter, .022 (0,56) thickness. Material .154 (9,55 + 0,08 0,00) described on Page J-53. Dimensions of panel is cadmium-plated steel. Part No. 12Q1272-1 .032 .002 + .004 DIA. 1 seal kit items are shown in Figure C. This kit For a /4 bushing. Approximately (0,81 0,05) .000 .437 .010 (3,91 seals the bushing to the panel it does not seal 0.400 (10,16) outside diameter, .018 (11,10 0,25) + 0,10 the shaft to the bushing. Not usable with (0,46) thickness. Material is steel, tin/ 0,00) .120 .003 .125 .010 adjustable stop switches. Part No. 42-24 zinc plated. DIA. FIGURE A (3,18 0,08) (3,18 0,25) FIGURE B Non-Turn WasherFigure B .625 .010 (15,88 0,25) DIA045 .003 .010 .002 .562 (14,27) Can be ordered as extra hardware for the .032 (1,14 0,08) (0,25 0,05) ACROSS .375 + .004 .000 Series 5000, 24, 42, 43, 44, 54, 71B, 53, 57 and .002 FLATS (9,53 + 0,10) DIA. 59 rotary switches. The internal key of the (0,81 0,05) washer slides into the bushing keyway. The .375 .005 right angle tab locks into a predrilled hole on (9,53 0,13) the back side of the mounting panel. Material is C L brass, tin/zinc plated. Part No. 12C1087-1 .187 .010 .088 (2,24)/ .125 .003 (4,75 0,25) .093 (2,36) (3,18 0,08) Panel Seal KitFigure C Non-Turn Washer Seal Keyed Washer Hex Nut Sold as a separate item to seal the switch FIGURE C Grayhill, Inc. 561 Hillgrove Avenue LaGrange, Illinois 60525-5997 USA Phone: 708-354-1040 Fax: 708-354-2820 www.grayhill.com