Grayhill Pushbutton switches: Wiping Contacts 23 Series - Manual

Pushbutton Switches
Grayhill, Inc. • 561 Hillgrove Avenue • LaGrange, Illinois 60525-5997 • USA • Phone: 708-354-1040 • Fax: 708-354-2820 • www.grayhill.com
Wiping Contact Pushbutton Switches
SerieS 23
SPSt, 1/4 amp
FeatureS
• Momentary Contact
• 100,000 Cycles of Operation
normally Open–SPSt
23-1
23-4
diMenSiOnS in inches (and millimeters) CirCuitry
aCCeSSOry
decorative Mounting nut
Part No. 23C1024
terminals: Brass, silver-plated.
Spring: Tinned music wire
Shorting Bar: Phosphor bronze, silver-plated.
Operating temperature: -40° to +85°C
Operating Features
total Button travel: .095 ± .010 (2,41 ± 0,25)
Overtravel: .005 (0,13) minimum
actuating Force: 16 ± 4 ounces
Mounting Hole: 21/64" (8,33)
SPeCiFiCatiOnS
rating Criteria
rated: To-Make-and-Break: 1/4 Amp at 115
Vac, or 1/8 Amp at 220 Vac resistive.
Contact resistance: 25 milliohms maximum
on a new switch.
Voltage Breakdown: 1,000 Vac between
mutually insulated parts.
insulation resistance: 1,000 megohms
minimum.
Materials and Finishes
Mounting nut and Cover Bushing: Brass,
tin zinc
Base: Phenolic per MIL-M-14, Type CFG.
Button: Polycarbonate
description & Button Color Part no.
SPST, N.O., Red
23-1
SPST, N.O., Black 23-4
Accessory Nut 23C1024-1
OrderinG inFOrMatiOn
C
.187 – .005
(4,75 – 0,13)
DIA.
A
1.059
(26,90)
REF.
5/16-32 UNEF-2A
THREAD
.468
– .010
(11,89 – 0,25)
DIA.
D
B
A = .146 – .015
(3,71 – 0,38)
B = .250 – .010
(6,35 – 0,25)
C = .476 –.015
(12,09 – 0,38)
D = .187 – .015
(4,75 – 0,38)
LABEL*
*PART NUMBER
AND E.I.A. DATE
CODE LABEL
SPSt n.O.