Snap Action Miniature Pushbutton Switches SERIES 38C Miniature Pushbutton Switches FEATURES • SPDT and DPDT Circuitry • Choice of Bushings, and Terminations • Caps and Frames Available • UL Recoginized DIMENSIONS IN INCHES (AND MILLIMETERS) Pushbutton Switches KEYWAY SPDT Ø.122 (Ø3.10) .270 (6.86) .205 (5.20) .431 (10.95) KEYWAY THIS SIDE .030 (0.76) .250 (6.35) 3 NC .500 (12.7) 2 NO 01COMM. .218 (5.54) SCHEMATIC NC 3 1 COMM. .185 (4.70) NO 2 .040 (1.02) .225 (5.72) DPDT ()=MOMENTARY .390 (9.93) .030 (0.76) .040 (1.02) .250 (6.35) .500 (12.7) 2 NO 4 NC 6 5 2 NO 1 COMM. .190 (4.83) .051 (1.30) MODEL NO. DP7 SCHEMATIC NC 3 3 NC EPOXY SEAL .040 (1.02) 01COMM. 6 4 .185 (4.70) .218 (5.54) .450 (11.43) TERM. COMM. SWITCH POSITION ON (ON) 1-3 1-2 .256 (6.50) Ø.122 (Ø3.10) FLAT MODEL NO. SP7 EPOXY SEAL 5 NO ()=MOMENTARY TERM. COMM. SWITCH POSITION ON (ON) 1-2, 4-5 1-3, 4-6 BUSHING OPTIONS IN INCHES (AND MILLIMETERS) B10 Thd Std B20 Non-Thd .040 (1.02) B11 Thd Std B21 Non-Thd 1/4-40 UNS-2A .270 (6.90) 1/4-40 UNS-2A .272 (6.90) .250 (6.35) .225 (5.72) .028 (0.72) .040 (1.02) Pushbutton 8 Grayhill, Inc. • 561 Hillgrove Avenue • LaGrange, Illinois .250 (6.35) .040 (1.02) 60525-5997 • USA • Phone: 708-354-1040 • Fax: 708-354-2820 • www.grayhill.com Snap Action Miniature Pushbutton Switches TERMINATION OPTIONS IN INCHES (AND MILLIMETERS) M1 Solder Lug (Std) M2 EPOXY SEAL .189 (4.80) .250 (6.35) .050 (1.27) .047 (1.19) THK. .030 (0.76) WX Wire Wrap DIM."A" EPOXY SEAL .189 (4.80) .080 (2.03) .250 (6.35) EPOXY SEAL .050 (1.27) .062 (1.57) OPTION CODE W1 W2 W3 W4 .030 (0.76) THK. THK. .030 (0.76) .075 (1.91) DIM."A" .750(19.05) .964(24.48) .425(10.80) 1.062(26.97) Pushbutton Switches M6 P. C. Mount, Quick Connect EPOXY SEAL .205 (5.20) .108 (2.75) M3 P. C. Mount Right Angle P. C. Mount, Horizontal .500 (12.7) .202 (5.12) .270 (6.86) EPOXY SEAL .125 (3.17) SPDT 1 Ø.122 (Ø3.10) .185 (4.70) .500 (12.7) .200 (5.08) .048 (1.22) .500 (12.7) .202 (5.12) .500 (12.7) .125 (3.18) .450 (11.43) 1 .030 (0.76) .185 (4.70) M7 .296 (7.53) 5 6 1 2 3 .200 (5.08) .048 (1.22) .150 (3.81) .185 (4.70) .500 (12.7) .050 (1.27) .150 (3.81) P.C. MOUNTING Right Angle P.C. Mount, Vertical .270 (6.86) .202 (5.12) .500 (12.7) .050 (1.27) .500 (12.7) EPOXY SEAL .125 (3.18) SPDT 4 4 .500 (12.7) P.C. MOUNTING .200 (5.08) .185 (4.70) EPOXY SEAL Ø.122 (Ø3.10) .185 (4.69) 2 3 .050 (1.27) .298 (7.57) .030 (0.76) DPDT Ø.073 .200 (Ø1.85) (5.08) .150 (3.81) 3 2 1 1 Ø.122 (Ø3.10) .296 (7.53) 2 3 .030 (0.76) .500 (12.7) Grayhill, Inc. • 561 Hillgrove Avenue • LaGrange, Illinois .150 (3.81) .048 (1.22) Ø.073 .200 (Ø1.85) (5.08) P.C. MOUNTING .200 (5.08) 60525-5997 • USA • Phone: 708-354-1040 • Fax: 708-354-2820 • www.grayhill.com Pushbutton 9 Snap Action Miniature Pushbutton Switches TERMINATION OPTIONS (CONT.) M7 IN INCHES (AND MILLIMETERS) Ø.122 (Ø3.10) .450 (11.43) .150 (3.81) .202 (5.12) .500 (12.70) DPDT .125 (3.18) .125 (3.17) 4 .296 (7.53) .050 (1.27) .185 (4.70) V2-V3 2 4 1 .200 (5.08) .048 (1.22) .030 (0.76) .500 (12.7) Ø.073 (Ø1.85) P.C. MOUNTING .200 (5.08) .150 (3.81) Pushbutton Switches .290 (7.37) SPDT .202 (5.12) 2 1 .048 (1.22) V2 .460 (11,68) V3 .630 (16,00) .185 (4.70) .020 (0.51) Ø.073 (Ø1.85) .030 (0.76) .185 (4.70) Ø.122 (Ø3.10) P.C. MOUNTING .620 (15.75) .290 (7.37) .125 (3.18) .460 (11.68) .202 (5.12) .450 (11.43) .185 (4.70) Vertical Bracket, P. C. Mount Ø.122 (Ø3.10) DIM."A" .360 (9.14) Ø.073 (Ø1.85) .030 (0.76) .190 (4.83) .202 (5.12) .290 (7.37) OPTION DIM."A" CODE .185 (4.70) .185 (4.70) Grayhill, Inc. • 561 Hillgrove Avenue • LaGrange, Illinois 2 V4 .460 (11,68) V5 .630 (16,00) .250 (3.18) .185 (4.70) .750 (15.75) 3 EPOXY SEAL .020 (0.51) .250 (6.35) P.C. MOUNTING .620 (15.75) 1 .048 (1.22) .620 (15.75) EPOXY SEAL .020 (0.51) .185 (4.70) .320 (8.13) SPDT .185 (4.70) 6 5 4 .125 (3.18) .620 (15.75) 3 .320 (8.13) .048 (1.22) .185 (4.70) EPOXY SEAL .125 (3.18) DPDT .125 (3.18) OPTION DIM."A" CODE DIM. "A" Pushbutton 10 3 5 Vertical Bracket, P. C. Mount Ø.122 (Ø3.10) V4-V5 6 6 5 .185 (4.70) .500 (12.7) EPOXY SEAL .030 (0.76) .750 (19.05) Ø.073 (Ø1.85) P.C. MOUNTING 60525-5997 • USA • Phone: 708-354-1040 • Fax: 708-354-2820 • www.grayhill.com Snap Action Miniature Pushbutton Switches TERMINATION OPTIONS (CONT.) V4-V5 Ø.122 (Ø3.10) DIM."A" IN INCHES (AND MILLIMETERS) .190 (4.83) .202 (5.12) .290 (7.37) .185 (4.70) DPDT 4 5 .360 (9.14) .250 (6.35) V4 .460 (11,68) V5 .630 (16,00) .185 (4.70) .750 (15.75) 6 EPOXY SEAL .020 (0.51) .048 (1.22) .250 (3.18) OPTION DIM."A" CODE .030 (0.76) .185 (4.70) Ø.073 (Ø1.85) .750 (19.05) P.C. MOUNTING S2 Pushbutton Switches Snap-in Termination Options (Snap-in termination options have the same PC layout as M2, M6 and M7 options) S6 BUSHING OPTIONS IN INCHES (AND MILLIMETERS) FOR PANEL MOUNTING AP1 Cap Only AP2 Cap and Frame .460 (11.70) .079 (2.00) .060 (1.52) SPDT INCREASE TO .620/.625(15.75/15.88) FOR .091/.125(2.32/3.18) THK. PANEL .618 (15.70) R.005 (R.130) .763 (19.40) .047 TO .125 (1.19 TO 3.18) PANEL THICKNESS .284 (7.20) 1 2 3 .600 (15.24) PANEL LAYOUT EPOXY SEAL .460 (11.70) .079 (2.00) .060 (1.52) .500 (12.74) INCREASE TO .620/.625(15.75/15.88) FOR .091/.125(2.32/3.18) THK. PANEL DPDT .618 (15.70) R.005 (R.130) .763 (19.40) .047 TO .125 (1.19 TO 3.18) PANEL THICKNESS Grayhill, Inc. • 561 Hillgrove Avenue • LaGrange, Illinois .284 (7.20) 4 5 6 EPOXY SEAL .600 (15.24) .500 (12.74) PANEL LAYOUT 60525-5997 • USA • Phone: 708-354-1040 • Fax: 708-354-2820 • www.grayhill.com Pushbutton 11 Snap Action Miniature Pushbutton Switches BUSHING OPTIONS IN INCHES (AND MILLIMETERS) FOR PANEL MOUNTING AP3 Cap Only AP4 Cap and Frame .460 (11.70) SPDT .079 (2.00) .618 (15.70) INCREASE TO .620/.625(15.75/15.88) FOR .091/.125(2.32/3.18) THK. PANEL R.005 (R.130) .284 (7.20) .763 (19.40) Pushbutton Switches .047 TO .125 (1.19 TO 3.18) PANEL THICKNESS DPDT 2 1 .600 (15.24) .500 (12.74) EPOXY SEAL 3 PANEL LAYOUT .079 (2.00) .460 (11.70) INCREASE TO .620/.625(15.75/15.88) FOR .091/.125(2.32/3.18) THK. PANEL .618 (15.70) R.005 (R.130) .284 (7.20) .763 (19.40) .047 TO .125 (1.19 TO 3.18) PANEL THICKNESS 4 5 6 .500 (12.74) .600 (15.24) EPOXY SEAL PANEL LAYOUT SPECIFICATIONS RATINGS Contact Rating: Q & G option - 3A with resistive load @ 125 VAC or 28 VDC; 1.5A with resistive load @ 250 VAC. R option - 0.4 VA max @ 20 Vmax (AC or DC) Electrical Life: 50,000 make-and-break cycles at full load Travel: .050 ± .010 Contact Resistance: 20 milliohms max. initial @ 2-4 VDC, 100 mA Insulation Resistance: 1,000 megaohms minimum Dielectic Strength: 1,000 V RMS @ sea level Operating Temperature: -30°C to 85°C MATERIALS Case: Diallyl phthalate (DAP) (UL94V-0) Plunger: Glass filled nylon or glass filled polyester Bushing: Brass, nickel plated Housing: Stainless steel Terminal/Switch Support: Brass, electrotin plated Terminal Seal: Epoxy ORDERING INFORMATION SERIES MODEL NO. 38C SP7 38C = Miniature Pushbutton Switches Options: SP7, DP7 (see models for switching positions) PLUNGER BUSHING B10 Options: Blank=std as shown in dwg 0 = 0.0 (Flush) 1 = .205 (5.02) 2 = .079 (2.00) Pushbutton 12 Grayhill, Inc. • 561 Hillgrove Avenue • LaGrange, Illinois Options: AP1, AP2, AP3, AP4, B10, B11, B21, B21 (see bushing options) TERMINATION CONTACT SEAL M1 Q T Options: M1, M2, M3, M6, M7, S2, S6 V2, V3, V4, V5, W1, W2, W3, W4 (see termination options) R = Copper alloy, gold plate over nickel plate. T = Lead Free and RoHS Compliant Q = Copper alloy, silver plated G=Gold plate over silver plate 60525-5997 • USA • Phone: 708-354-1040 • Fax: 708-354-2820 • www.grayhill.com