Butt Contact Pushbutton Switches SERIES 39 SPST, 150 mA FEATURES •1/4" Diameter •Up to 1,000,000 Cycles of Operation • PC Mount DIMENSIONS in Inches (and millimeters) SPST–Normally Open, without Nut 39-405* 8-40 UNS-2A THREAD .110 ± .005 (2,79 ± 0,13) DIA. Pushbutton Switches A E.I.A. DATE CODE LABEL* B .640 (16,26) REF. C TERMINALS ARE .020 (0,50) SQUARE Rating at 28 Vdc Resistive Operations at Rated Load *Complete Part Number Button Color 150 mA 1,000,000 39-405 RED 39-405 BLK Red Black D .250 +.010/ –.005 (6,35 + 0,25/ – 0,13) .100 ± .010 (2,54 ± 0,25) 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 = .125 ± .010 (3,18 ± 0,25) Action Momentary Actuating Total Force (oz.) Travel + 4 .035 ± .015 4 (0,89 ± 0,38) – 2 SPST–Normally Open, with Nut 39-401* .110 ± .005 (2,79 ± 0,13) DIA. 8-40 UNS-2A THREAD H = HEX MTG NUT .219 ± .010 (5,56 ± 0,25) ACROSS FLATS .063 ± .010 (1,59 ± 0,25) THICK TERMINALS ARE .020 (0,50) SQUARE H E.I.A. DATE CODE LABEL* A B .640 (16,26) REF. C 39-424* *Complete Part Number Button Color 150 mA 1,000,000 39-401 RED 39-401 BLK Red Black Action Momentary Actuating Total Force (oz.) Travel +4 .035 ± .015 4 (0,89 ± 0,38) –2 .110 ± .005 (2,79 ± 0,13) DIA. 8-40 UNS-2A THREAD H = HEX MTG NUT .219 ± .010 (5,56 ± 0,25) ACROSS FLATS .063 ± .010 (1,60 ± 0,25) THICK Operations at Rated Load D .250 +.010/ –.005 (6,35 +0,25/ – 0,13) .100 ± .010 (2,54 ± 0,25) 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 = .125 ± .010 (3,18 ± 0,25) SPST–Normally Open, with Overtravel Rating at 28 Vdc Resistive A H E.I.A. DATE CODE LABEL* TERMINALS ARE .020 (0,50) SQUARE B .780 (19,81) REF. Operations at Rated Load *Complete Part Number Button Color 150 mA 100,000 39-424 RED 39-424 BLK Red Black Action Total Travel C D .250 +.010/ –.005 (6,35 +0,25/ – 0,13) .100 ± .010 (2,54 ± 0,25) 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 = .125 ± .010 (3,18 ± 0,25) Grayhill, Inc. • 561 Hillgrove Avenue • LaGrange, Illinois Rating at 28 Vdc Resistive Momentary Over Travel .130 ± .025 .015 (0,38) (3,30 ± 0,64) Min. Actuating Force (oz.) 5 ± 3 60525-5997 • USA • Phone: 708-354-1040 • Fax: 708-354-2820 • www.grayhill.com Butt Contact Pushbutton Switches DIMENSIONS in Inches (and millimeters) Right Angle, SPST–Normally Open 39-501* 39-503* Mounting Footprint .175 +.025/ –.020 (4,45 +0,64/ – 0,51) .110 (2,79) ± .010 (0,25) DIA. A = .125 ± .010 (3,18 ± 0,25) A B B = .215 ± .015 (5,46 ± 0,38) .600 (15,24) REF. .250 + .010/ –.005 (6,35 + 0,25/ – 0,13) DIA. .050(1,27) .089 (2,26) MIN. .075 ± .010 (1,91 ± 0,25) Rating at 28 Vdc Resistive .300 (7,62) REF. C = .060 ± .005 (1,52 ± 0,13) 150 mA Protective cap (included with 39-503 RED and 39-503 BLK) seals switch during wave soldering. Operations at Rated Load 1,000,000 *Complete Part Number 39-501 RED 39-501 BLK 39-503 RED 39-503 BLK Button Color Red Black Red Black Actuating Total Force (oz.) Travel .035 4 ± .015 +4 (0,89 ± 0,38) –2 Action Momentary SPST–Normally Open, with Panel and Button Seal 39-138* .110 ± .005 DIA. (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=.135±.005 (3,43±0,13) A B .692 REF (17,58) C #8-40 UNS-2A THREAD HEX MTG. NUT .0625 (1,59) THICK .218 (5,54) ACROSS FLATS Rating at 115 Vac Resistive D .020±.002 (,508±,051) SQUARE TYP .312±.005 (7,92±0,13) ACROSS FLATS Specifications Rating Criteria 250,000 39-138 RED 39-138 BLK Red Black Momentary Actuating Total Force (oz.) Travel .035 ± .015 16 ± 8 (0,89 ± 0,38) ORDERING INFORMATION 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 Bushing/Housing: Aluminum, clear anodized for 39-138; Brass, tin zinc for all others Standoff: (39-501 and 39-503) Brass, tin plated over nickel Base and Button: Thermoplastic Shorting Bar: Brass, gold-plated over nickel plate for 39-501and 39-503; fine silver, goldplated for others Terminals: Fine silver, gold-plated for 39-138; Brass, gold-plated over nickel for all others Spring: Tinned music wire Mounting Nut: (39-401 and 39-424) Brass, zinc trivalent chromate-plated CIRCUITRY ACCESSORIES SPST N.O. Button Color Action Materials and Finishes SHH1699 *Complete Part Number ½ Amp E.I.A. DATE CODE .110 ± .005 (2,79 ± 0,13) Operations at Rated Load Part No. Type & Button Color 39-401 RED 39-401 BLK 39-405 RED 39-405 BLK 39-424 RED 39-424 BLK 39-501 RED 39-501 BLK 39-503 RED 39-503 BLK 39-138 RED 39-138 BLK N.O., Red N.O., Black N.O., No Nut, Red N.O., No Nut, Black N.O., Overtravel, Red N.O., Overtravel, Black N.O., Right Angle, Red N.O., Right Angle, Black 39-501 Red & Cap Seal 39-501 Blk & Cap Seal 39-351 PC Mount & Seal 39-351 PC Mount & Seal Accessory Part Number 30B1012-5 30B1012-8 30B1012-9 30B1012-5 30B1012-8 30B1012-9 SHH1699 Description Red Accessory Cap White Accessory Cap Black Accessory Cap Cap Seal Only, Black Available from your local Grayhill Distributor. For prices and discounts, contact a local Sales Office, an authorized Distributor or Grayhill. Grayhill, Inc. • 561 Hillgrove Avenue • LaGrange, Illinois 60525-5997 • USA • Phone: 708-354-1040 • Fax: 708-354-2820 • www.grayhill.com Pushbutton Switches *Label increases nominal diameter to .255 (6,48) .100(2,54) HOLESFOR .020(0,51) SQUAREPINS(4) .200 (5,08) C .050 ± .010 (1,27 ± 0,25) .140 ± .015 (3,56 ± 0,38) .200 ± .005 (5,08 ± 0,13) .300 (7,62) .300 ± .005 (7,62 ± 0,13) E.I.A. DATE CODE LABEL* .100 (2,54) REF. .050 (1,27) REF. .100 (2,54) .315 ± .010 (8,00 ± 0,25)