Single Deck Rotary Switches
FEAtꢄRES
•ꢀPositiveꢀDetentꢀProvidesꢀ
Operator Feedback
SERIES 24
1" Diameꢀer, 1 Amp,
.580" Behind Panel
•ꢀStainlessꢀSteelꢀorꢀPlasticꢀ
Shaft Option
•ꢀUnsurpassedꢀPerformanceꢀ
in Numerous Applications
DIMENSIONS in inches (and millimeters)
Solder Lug
PC Mounꢀable
Circuiꢀ Diagram
Solder Lug and PC Mount
(Switch is viewed from shaft end.)
Note: Common Terminal is
.312 .020
.250 .020
(7,93 0,51)
.109 .015
(2,77 0,38)
(6,35 0,51)
located above Base Terminal 10.
.578 .030
(14,68 0,76)
.250 .020
(6,35 0,51)
C
L
8
OF
7
BUSHING
KEYWAY
9
6
4
.250 + .001/ – .002
(6,35 + 0,03/ – 0,05)
DIA.
APPROX.
1.015 .015
(25,78 0,38)
DIA.
5
.750 (19,05) DIA. OVER
TERMINAL ENDS AT
INSERTION END
C
1
10
1
.531 .020
(13,49 0,51)
BUSHING KEYWAY
3
2
.066 .002 (1,68 0,05) WIDE
.036 .005 (0,91 0,13) DEEꢀ
FROM THE .375 (9,53) DIAMETER
ONE POLE
3/8-32UNEF-2A
THREAD
terminal Locaꢀion (PC Mount)
typical terminal Deꢀail (PC
Mount)
.363 (9,22)
.564 .020
(14,33 0,51)
BASE TERMINAL
.020 .002
(0,51 0,05)
COMMON TERMINAL
.016 .002
TYP.
.294 (7,47)
TYP.
.347 (8,81)
TYP.
.525
(13,34)
TYP.
.187 .005
(4,75 0,13)
.937 .020
(23,80 0,51)
DIA.
COMMON
36° 5°
(0,41 0,05)
.213
(5,41)
TYP.
.050 .002
(1,27 0,05)
36° TYP.
REF.
.096 .003
(2,44 0,08)
.113 (2,87)
TYP.
.219 .005
(5,56 0,13)
Grayhill part number and date code marked on label. Customer part number marked on request.
SPECIFICAtIONS
Elecꢀrical Raꢀing
StANDARD OPtIONS
Special terminals
RFI ꢃrounding
Not available through distributors.
Raꢀed: To make and break the following loads: Deꢀenꢀ Balls: Steel, nickel-plated
1 amp at 115 Vac, resistive; 0.5 amp at 220 Vac Shafꢀs: Stainless steel, or plastic
resistive;1/4 amp, 115Vac inductive;1/50 amp, Deꢀenꢀ: Opposing spring and ball in a hill and
115 Vdc inductive; 1/10 amp, 6 to 28 Vdc induc- valley raceway.
ORDERINꢃ INFORMAtION
tive;1/10 amp, 115Vdc resistive;1 amp, 6 to 28 Deꢀenꢀ Springs: Tinned music wire
Switches are single deck, one pole switches
of 2 to 10 positions. They have plastic or steel
shaft, withsolderlugorPCterminals, witheither
shorting or non-shorting contacts (plastic shaft
PC mount in non-shorting only). Ten position
switches have continuous rotation; fixed stop
switch with a metal shaft is available by special
order. Base part numbers are as follows:
Lug style, steel shaft: 24001-X*
Vdc resistive; to carry 10 amps continuously.
terminals (excepꢀ common): Brass, tin
Conꢀacꢀ Resisꢀance: 10 milliohms initial. plated.
After 25,000 cycles of operation 20 milliohms Roꢀor Conꢀacꢀ: Steel shaft version—phosphor
bronze,ꢀ silver-platedꢀ .0003"ꢀ minimum.ꢀ Plasticꢀ
Insulaꢀion Resisꢀance: 50,000 Mohms shaft version—silver alloy.
Sꢀaꢀor (Base) Conꢀacꢀ: Brass, silver-plated
volꢀage Breakdown: 1,000 Vac, (500 Vac, or .0003" minimum
maximum.
minimum initially
better after most environmental tests).
Common Plaꢀe, including Solder Lug or PC
Life Expecꢀancy: 100,000 mechanical cycles tab: Brass, silver-plated .0003" minimum
of operation normally.NOTE:Actual life is deter- Roꢀor Mounꢀing Plaꢀe: Nylon fabric-based
minedbyanumberoffactors,includingelectrical laminated phenolic per MIL-T-15047
loading, rate of rotation, and environment, as Mounꢀing Nuꢀ:ꢀBrass,ꢀtin/zinc-platedꢀorꢀstain-
well as maximum contact resistance, minimum less steel.
Lug style, plastic shaft: 24B36-01-1-X*
PC style, steel shaft: 24878-X*
PC style, plastic shaft: 24P36-01-1-X*
The X is replaced with the number of positions
required(02,03,etc.)Completethepartnumber
by adding N for non-shorting contacts or S for
shorting contacts.
insulation resistance, and minimum voltage
breakdown required at the end of life.
Addiꢀional Characꢀerisꢀics
Sꢀop Sꢀrengꢀh: 12 in-lbs
Roꢀaꢀional torque:ꢀ12ꢀin-ozs
Maꢀerials and Finishes
Swiꢀch Base: Melamine per (MIL-M-14) ShafꢀFlaꢀOrienꢀaꢀion:Oppositepointofcontact
Aꢁailable from your local ꢃrayhill
Disꢀribuꢀor.
For prices and discounts, contact a local
SalesꢀOffice,ꢀanꢀauthorizedꢀlocalꢀ
Distributor or Grayhill.
ASTM-D-5948
(See circuit diagram.)
Coꢁer, Sꢀop ꢂashers, Bushing: Brass, tin/ Enꢁironmenꢀal: These switches have passed
zinc-plated
the following environmental testing:Altitude and
temperature, 100 hour salt spray;Vibration 10 to
500 cps; Shock 30-G; Humidity; Fungus.
Conꢀacꢀs: Both shorting and non-shorting
wiping contacts have over 300 grams contact
force.
PC Mounꢀ: PC Switches are furnished with 10
Reꢀaining Rings, Sꢀop Arms, and thrusꢀ base terminals for mounting purposes.
ꢂashers: Stainless steel
Grayhill, Inc.
• 561 Hillgrove Avenue • LaGrange, Illinois 60525-5997 • USA • Phone: 708-354-1040 • Fax: 708-354-2820 • www.grayhill.com