Butt Contact Pushbutton Switches SERIES 39 Miniature Limit FEATURES • Adjustable Location Setting • Plunger Sealed Version DIMENSIONS In Inches (and millimeters) SPST–Normally Open, With Overtravel E.I.A. DATE CODE .136 ± .005 (3,45 ± 0,13) DIA. 5/16-32 UNEF-2A THREAD 39-101 A HEX. NUT (2) .093 (2,36) THICK .437 (11,10) ACROSS FLATS .287 (7,29) MAX. XXXX B A = .187 ± .015 (4,75 ± 0,38) B = .450 ± .015 (11,43 ± 0,38) Pushbutton Switches Mounting Hole .339 (8,61) Diameter ‘D’ shape per above. .837 .650 ± .032 (21,26) (16,51 REF. ± 0,81) .072 ± .005 (1,83 ± 0,13) .068 ± .015 (1,73 ± 0,38) SPST–Normally Open, With Overtravel, Sealed Actuator 39-102 39-103 39-701 E.I.A. DATE CODE 5/16-32 UNEF-2A THREAD A XXXX 1.050 .800 (26,67) ±.032 REF. (20,32 ± 0,81) B A = .250 ± .015 (6,35 ± 0,38) B = .600 ± .015 (15,24 ± 0,38) .072 ± .005 (1,83 ± 0,13) XXXX A = .187 ± .015 (4,75 ± 0,38) B = .600 ± .015 (15,24 ± 0,38) 39-101 Nat. Nylon Action Total Travel Over Travel Momentary .187 ± .015 (4,75 ± 0,38) .060 (1,52) Min. from top of bushing Rating at 115 Vac Resistive Rating at 220 Vac Resistive 150 mA 150 mA 1 1 .987 .800 (25,07) ±.032 REF. (20,32 ± 0,81) Actuating Force (oz.) +3 5–2 Part Number 75 mA Operations at Rated Load 30,000 39-102 Nat. Nylon 75 mA 100,000 39-701 Nat. Nylon 30,000 39-103 Nat. Nylon /4 Amp Over Travel Total Travel Action Momentary .250 ± .015 39-102 and 39-103: (6,35 ± 0,38) .200 (5,08) Nominal. from top of bushing Momentary .187 ± .015 (4,75 ± 0,38) A B .775 .610 ± .032 (19,69) REF. (15,5 ± 0,81) Rating at 115 Vac Resistive Button Color Actuating Force (oz.) 6.8 ± 5 39-701: .060 (1,52) Min. from top of bushing 8±4 Operations at Rated Load Part Number Button Color 100,000 39-702 Nat. Nylon 1 /4 Amp /8 Amp Action Total Travel Momentary .042 ± .010 (1,07 ± 0,25) .100 (2,54) MAX. .100 ± .005 (2,54 ± 0,13) Rating at 220 Vac Resistive 1 Over Travel Actuating Force (oz.) None 8±4 .060 ± .005 (1,52 ± 0,13) CIRCUITRY STANDARD OPTIONS Materials and Finishes 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 Pushbutton 40 500,000 /4 Amp /2 Amp XXXX .020 (0,51) REF. SPST N.O. Button Color .110 ± .005 (2,79 ± 0,13) DIA. Mounting Nuts per above. .040 (1,02) REF. Part Number .072 ± .005 (1,83 ± 0,13) 5/16-32 UNS-2A THREAD A = .165 +.035 –.015 (4,19 +0,89 –0,38) B = .410 ± .015 (10,41 ± 0,38) Operations at Rated Load 1 /2 Amp .068 ± .015 (1,73 ± 0,38) E.I.A. DATE CODE 39-702 1 A B Mounting Nuts per above. SPST–Normally Closed, Sealed Actuator .110 ± .005 (2,79 ± 0,13) DIA. E.I.A. DATE CODE 5/16-32 UNEF-2A THREAD .068 ± .015 (1,73 ± 0,38) Rating at 220 Vac Resistive Terminals are not oriented to bushing flat SPST–Normally Open, With Extended Overtravel .110 ± .005 (2,79 ± 0,13) DIA. Rating at 115 Vac Resistive Bushing and Mounting Nuts: Brass, tin zinc Insulation Sleeve: Molded polyester for 39-101, 39-102, 39-103 and 39-701: phenolic per MIL-M-14 type CFG for 39-702 Base: Thermoset plastic Terminals: Commercial bronze, gold plated over nickel for 39-101, 39-102, 39-103 and 39701; silver for 39-702 Springs: Tinned music wire Contacts: Commercial bronze, gold-plated for 39-101, 39-102, 39-103 and 39-701; fine silver for 39-702 Button: Thermoplastic O-Ring: (39-701 & 39-702) Silicone Grayhill, Inc. • 561 Hillgrove Avenue • LaGrange, Illinois Optional plating: gold-plated contacts for dry circuit conditions, contact Grayhill. ORDERING INFORMATION Part No. Description 39-101 39-102 39-103 39-701 39-702 SPST, N.O. With Overtravel SPST, N.O. With Extended Overtravel SPST, N.O. With Extended Overtravel SPST, N.O. With Overtravel, Sealed SPST, N.C. Sealed Available from your local Grayhill Distributor. For prices and discounts, contact a local Sales Office, an authorized local Distributor or Grayhill. 60525-5997 • USA • Phone: 708-354-1040 • Fax: 708-354-2820 • www.grayhill.com