Butt Contact Pushbutton Switches Series 30 Sealed, Front Panel Mounting FEATURES Pushbutton Switches • • • • • • Threaded bushing Choice of 6 button colors SPST (momentary contact) Gold plated contacts Strong, lightweight aluminum housing Sealed against dust and moisture to IP67 (to IP67 with silicone boot*) Dimensions in inches (and millimeters) RATING .298 [ 7,58 ] .220 [ 5,59 ] .050 [ 1,27 ] .182 [ 4,62 ] Ø .530 ±.003 [ 13,46 ] .503 [ 12,78 ] RECOMMENDED PANEL CUTOUT Ø.522 [ 13,26 ] .510 ±.003 [ 12,95 ] .110 [ 2,79 ] 1/2-32 UNEF THREADS Ø.689 [ 17,51 ] Cycles: 500,000 actuations Operating Temperature: -40ºC to +80ºC Shock: 100 G's/6 milliseconds Travel: .090 nominal Travel Before Make: .035 nominal Rating at 24 VDC: 150 milliamps Voltage Breakdown: 1000 Vac Contact Resistance: 25 Megaohms max (initial) Insulation Resistance: 1,000 Megaohms minimum .780 REF. [ 19,81 ] MATERIAL Housing: Aluminum, black chrome finish Button, Base, and Plunger: Nylon, 45% glass-filled Terminal: Brass, gold-plated over nickel Shorting Bar: Brass, gold-plated over nickel Internal Seal: Silicone rubber O-ring panel Seal: Silicone Spring: Tinned music wire Hex Nut: 1/2-32, Brass with Nickel Plating, P/N 635201 Lockwasher: Internal,1/2 dia. , Steel with Zinc plating, P/N 635401 Cable Options * Switch meets IP67 without boot if not actuated during immersion CIRCUITRY: SPST N.O. ORDERING INFORMATION 30-201B-1S Series Threaded Bushing Strain Relief: Blank = shrink tubing, S = strain relief Connection: Blank = terminals, E = epoxy rear seal 1 = 6" leads, 2 = 12" leads, 3 = 36" leads Silicone Boot: Blank = no boot, B = black boot, C = clear boot Cap Color: 0 = black, 1 = red, 2 = green 3 = yellow, 4 = orange, 5 = blue Grayhill, Inc. • 561 Hillgrove Avenue • LaGrange, Illinois pictured with clear silicone boot 60525-5997 • USA • Phone: 708-354-1040 • Fax: 708-354-2820 • www.grayhill.com