Butt Contact Pushbutton Switches SERIES 39 SPST, 150 mA to 1/2 Amp FEATURES •Requires an Absolute Minimum of Space •Molded-In Terminals in SPST–N.O. • Solder Lug Terminals DIMENSIONS in inches (and millimeters) Economy Version Normally Open–SPST Economy and Standard Version 39-1 39-3 39-601* At 5 Vdc At 20 Vdc 1,000,000 150 mA 20 mA .110 ± .005 (2,79 ± 0,13) DIA. H .036±.005 (0,91±0,13) H = HEX MTG NUT .063 ± .010 (1,59 ± 0,25) THICK .219 ± .010 (5,56 ± 0,25) ACROSS FLATS .068±.005 (1,73±0,13) B E.I.A. DATE CODE LABEL* Momentary .615 (15,62) REF. C 39-601 RED 39-601 BLK Red Black Actuating Mtg. Total Force (oz.) Hole Travel .035 ± .015 +4 11/64" 4 -2 (0,89 ± 0,38) (4,37) DIA. Action A Button Color Standard D Operations at Rated Load Electrical Ratings .250 + .010/ –.005 (6,35 + 0,25/ – 0,13) DIAMETER A = .175 + .025/ –.020 (4,45 + 0,64/ – 0,51) *Label increases B = .125 ± . 010 (3,18 ± 0,25) nominal diameter C = .215 ± .015 (5,46 ± 0,38) to .255 (6,48) D = .100 ± .020 (2,54 ± 0,51) Complete Part Number At 115 Vac At 220 Vac 1,000,000 1 /2 Amp Res. 1/4 Amp Res. Action Momentary Button Color 39-1 Red 39-3 Black Actuating Total Force (oz.) Travel +4 .035 ± .015 4 –2 (0,89 ± 0,38) Mtg. Hole 11/64" (4,37) DIA. Normally Open–SPST with Sealed Bushing and Button 39-351* .110–.005DIA. (2,79–0,13) A=.175+.025/ .020 (4,45+0,64/ 0,51) B=.125–.010 (3,18–0,25) C=.250–.015 (6,35–0,38) D=.100–.020 (1,54–0,51) E.I.A. DATE CODE #8-40UNS-2ATHREAD C HEXMTG.NUT .0625(1,59)TYP. THICKAND .218(5,54)TYP. ACROSSFLATS O B .650 (16,51) REF. E.I.A. DATE CODE LABEL* Rating at 115 Vac Resistive A H B C .755 (19,18) REF. D .250 + .010/ – .005 (6,35 + 0,25/ – 0,13) DIAMETER A = .175 + .025/ –.020 (4,45 + 0,64/ – 0,51) *Label increases B = .125 .010 (3,18 0,25) nominal diameter C = .355 .015 (9,02 0,38) to .255 (6,48) D = .100 .020 (2,54 0,51) Grayhill, Inc. • 561 Hillgrove Avenue • LaGrange, Illinois 39-351 RED 39-351 BLK Red Black Actuating Force (oz.) .035 ± .015 16 ± 8 (0,89 ± 0,38) .110 .005 (2,79 0,13) DIA. 8-40 UNS-2A THREAD .068.005 (1,730,13) Button Color Total Travel Action Momentary *Complete Part Number .072–.005(1,83–0,13) Normally Open–SPST with Overtravel .036.005 (0,910,13) Operations at Rated Load .036–.005(0,91–0,13) ButtonisO-Ring sealedinternally. H = HEX MTG NUT .063 .010 (1,60 0,25) THICK .219 .010 (5,56 0,25) ACROSS FLATS Rating at 220 Vac Resistive /2 Amp 1/4 Amp 250,000 .068–.005(1,73–0,13) D 39-12 39-24 1 O=ORING XXXX .312–.005 (7,92–0,13) ACROSS FLATS .072.005 (1.830,13) Rating at 115 Vac Resistive A 1 Rating at 220 Vac Resistive Operations at Rated Load /2 Amp 1/4 Amp 100,000 Action Total Travel Over Travel Complete Part Number Button Color Red Black 39-12 39-24 Actuating Force (oz.) Mtg. Hole 11/64" .130 ± .025 .015 (0,38) Momentary 5 ± 3 (4,37) (3,30 ± 0,64) Min. DIA. 60525-5997 • USA • Phone: 708-354-1040 • Fax: 708-354-2820 • www.grayhill.com Pushbutton Switches 8-40 UNS-2A THREAD .072±.005 (1.83±0,13) Operations *Complete at Rated Part Load Number Electrical Ratings Butt Contact Pushbutton Switches DIMENSIONS in inches (and millimeters) Normally Closed–SPST 39-2 .105–.005 (2,67–0,13)DIA. 8-40UNS-2A THREAD H=HEXMTGNUT .063–.010(1,60–0,25) THICK .219–.010(5,56–0,25) ACROSSFLATS .100±.010 (2,54±0,25) .060±.010 (1,52±0,25) Rating at 115 Vac Resistive A H B E.I.A. DATE CODE LABEL* .780(19,81) REF. 1 Rating at 220 Vac Resistive Operations at Rated Load /4 Amp 1/8 Amp 250,000 C Total Travel Action D .250+.010/ .005 (6,35+0,25/ 0,13) DIAMETER A=.175–.025(4,45–0,64) *Labelincreases B=.125–.010(3,18–0,25) nominaldiameter C=.390–.010(9,91–0,25) to.255(6,48) D=.100(2,54)MAX. Momentary Part Number Cap Color 39-2 Black Actuating Force (oz.) +4 .042 ± .010 4 – 2 (1,07 ± 0,25) Mtg. Hole .172 (4,37) DIA. Normally Closed–SPST with Sealed Bushing and Button Pushbutton Switches 39-352* .110–.005DIA. (2,79–0,13) #8-40UNS-2ATHREAD A A=.165+.035/ .015 (4,19+0,89/ 0,38) B=.125–.007 (3,18–0,18) C=.429–.015 (10,90–0,38) D=.100(2,54)MAX. E=10 TO40 APPROX. H B C O-RING .819 (20,80) REF. E.I.A. DATE CODE LABEL* H=HEXMTG.NUT .0625(1,59)TYP. THICKAND .218(5,56)TYP. ACROSSFLATS D Rating at 115 Vac Resistive 1 .100(2,54)MAX. CIRCUITRY SPSt n.O. SPSt n.C. SPECIFICATIONS Rating Criteria Contact Resistance: 25 milliohms maximum on a new switch Voltage Breakdown: 1,000 Vac between mutually insulated parts Insulation Resistance: 1,000 megohms minimum Operating Temperature: -40°C to +85°C Mounting Torque: 2 inch-pounds Momentary Button Color 39-352 RED 39-352 BLK Red Black Actuating Total Force (oz.) Travel .042 ± .010 8 ± 4 (0,17 ± 0,25) .060–.010(1,52–0,25) *Labelincreasesnominaldiameterto.255(6,48) Materials and Finishes SPST–N.O. WITH OVERTRAVEL Action *Complete Part Number .100–.010(2,54–0,25) .250+.010/ .005 (6,35+0,25/ 0,13) Button is o-ring sealed internally. Operations at Rated Load /4 Amp 1/8 Amp 100,000 E .312–.005 (7,92–0,13) ACROSS FLATS Rating at 220 Vac Resistive Mounting Nut: Brass, tin zinc Housing: Aluminum, clear anodized for 39-351 and 39-352; Brass, zinc trivalent chromate-plated for others Button: Thermoset plastic Base: Thermoset plastic Shorting Bar: Fine silver for 39-2 and 39-352; brass, gold-plated over nickel plate for 39-601; fine silver, gold-plated for others Terminals: Fine silver for 39-2 and 39-352; commercial bronze with gold-plated fine silver contact surface for others Spring: Tinned music wire O-Rings: (39-351 and 39-352) Internal ring is silicone; external ring is buna ‘N’ Accessory Grayhill, Inc. • 561 Hillgrove Avenue • LaGrange, Illinois Button Cap Part No. 30B1012 For use with part numbers 39-351 and 39-352. (Fasten to button with Cyanoacrylate Adhesive) ORDERING INFORMATION Part NumberDescription 39-1 N.O., Red Button 39-2 N.C., Black Button 39-3 N.O., Black Button 39-12 N.O., Overtravel Red Button 39-24 N.O., Overtravel Black Button 39-351 RED N.O., Sealed, Red Button 39-351 BLK N.O., Sealed, Black Button 39-352 RED N.C., Sealed, Red Button 39-352 BLK N.C., Sealed, Black Button 39-601 RED N.O., Economy, Red Button 39-601 BLK N.O., Economy, Black Button Accessory cap may be used with all switches shown except 39-2. Accessory Part NumberDescription 30B1012-5 Red Button Cap 30B1012-9 Black Button Cap 30B1012-8 White Button Cap 60525-5997 • USA • Phone: 708-354-1040 • Fax: 708-354-2820 • www.grayhill.com