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* 39-601 RED 39-601 BLK Red Black Actuating Force (oz.) Mtg. Hole .035 ± .015 4 + 4 (0,89 ± 0,38) -2 Momentary .615 (15,62) REF. C Total Travel Action A Button Color 11/64" (4,37) DIA. 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 /2 Amp Res. 1/4 Amp Res. 1,000,000 39-1 39-3 Actuating Total Force (oz.) Travel +4 .035 ± .015 4 –2 (0,89 ± 0,38) Action Momentary Button Color Red Black 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. Button Color 39-351 RED 39-351 BLK Red Black Actuating Force (oz.) Total Travel Action Momentary .035 ± .015 16 ± 8 (0,89 ± 0,38) .110 .005 (2,79 0,13) DIA. 8-40 UNS-2A THREAD E.I.A. DATE CODE LABEL* Rating at 115 Vac Resistive A H .068.005 (1,730,13) /4 Amp 250,000 1 *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 .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 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) 1 /2 Amp Action Rating at 220 Vac Resistive Operations at Rated Load /4 Amp 100,000 1 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. Grayhill, Inc. • 561 Hillgrove Avenue • LaGrange, Illinois 60525-5997 • USA • Phone: 708-354-1040 • Fax: 708-354-2820 • www.grayhill.com Pushbutton 41 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 39-4 .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 /4 Amp /8 Amp 250,000 1 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. Operations at Rated Load 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 /4 Amp .100(2,54)MAX. Rating at 220 Vac Resistive Operations at Rated Load /8 Amp 100,000 1 Action Momentary E .312–.005 (7,92–0,13) ACROSS FLATS CIRCUITRY 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. SPST–N.O. WITH OVERTRAVEL SPST N.C. SPECIFICATIONS Rating Criteria Button Color .100–.010(2,54–0,25) .250+.010/ .005 (6,35+0,25/ 0,13) Button is o-ring sealed internally. *Complete Part Number 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 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 Button Cap Part No. 30B1012 For use with part numbers 39-351 and 39-352. (Fasten to button with Cyanoacrylate Adhesive) See page E-XXfor dimensions. ORDERING INFORMATION Part Number 39-1 39-2 39-3 39-4 39-12 39-24 39-351 RED 39-351 BLK 39-352 RED 39-352 BLK 39-601 RED 39-601 BLK Description N.O., Red Button N.C., Black Button N.O., Black Button N.C., Red Button N.O., Overtravel Red Button N.O., Overtravel Black Button N.O., Sealed, Red Button N.O., Sealed, Black Button N.C., Sealed, Red Button N.C., Sealed, Black Button N.O., Economy, Red Button N.O., Economy, Black Button Accessory cap may be used with all switches shown except 39-2. Accessory Part Number Description 30B1012-5 Red Button Cap 30B1012-9 Black Button Cap 30B1012-8 White Button Cap Available from your local Grayhill Distributor. For prices and discounts, contact a local Sales Office, an authorized local Distributor or Grayhill. Pushbutton Grayhill, Inc. • 561 Hillgrove Avenue • LaGrange, Illinois 60525-5997 • USA • Phone: 708-354-1040 • Fax: 708-354-2820 • www.grayhill.com 42