MINIATURE SWITCHES Standard Ordering Table - Pushbutton Switches - Panelmount Maintained and Momentary Action (SPDT) HOW TO ORDER YOUR DESIGN (Bold Face Type indicates items normally in Distributor Stock) To determine a part number select the options desired and fill in the boxes in the selection guides illustrated below. Following the table from left to right, the designer is able to specify the options wanted. The options are described and illustrated on pages 15-16. Pushbutton Switch Selection Guide Pushbutton Switch Series Cap Size Circuit + + Base P/N PB PBS Plunger Seal PBW Plunger & Panel Seal Cap Color + + Contact Material + Other + Suffix Numbers & Letters -- Add to Base Catalog Number Circuit Cap Size -123 -- ON-NONE-ON Push to make contact and Push again to reverse action -126 -- ON-NONE-ON* Normally Open or Normally Closed. (For NC circuit use Terminal 2 & 1, for NO. 2 & 3, for NC and NO. 1, 2 & 3) 0 -- No Cap Cap Color 0 -- No Cap 1 -- .200 Dia. 1 -- Black 2 -- .310 Dia. 2 -- White 3 -- 375 Dia. 3 -- Red *Momentary Contact Terminal Type Ratings are 0.4 VA-28 VAC or DC. Epoxy seal standard on all terminal options. Terminal Options Z -- Solder Lugs C -- Printed Circuit Z3 -- Quick Connect W -- .750" Wirewrap W1 -- .964" Wirewrap W3 -- .425" Wirewrap W4 -- 1.0625" Wirewrap A -- Right Angle P.C. AV -- Vertical P.C. .100 Spacing AV2 -- Vertical P.C. .150 Spacing Contact Material-Type B -- Gold/Nickel/ Brass G -- Gold/Nickel/ Silver Q -- Coin Silver K -- L -- M -- Other Options Epoxy Sealed Terminals Same as B, G and Q respectively except terminals brass with tin nickel alloy over nickel plate. Consult factory for availability EXAMPLES: PB-12331ZQ = Maintained (Push-Push) circuit, .375" Black Cap, Solder Lug Terminals, Silver Contacts, 6 Amp Rating and Epoxy Sealed Terminals PBW-12613CB = Plunger & Panel Seal, Momentary circuit, .200" Red Cap epoxy sealed Printed Circuit Terminals and 50 Millionths Gold over Brass contacts. APPROXIMATE DIMENSIONS PB w /.375 CAP MAINTAINED ACTION PBW w /.200 CAP PBS w /.310 CAP MOMENTARY ACTION SPECIFICATIONS MATERIALS Contact Rating - Letter codes G and Q - 6 amp at 125 VAC, 3 amp at 250 VAC (U.L. recognized, CSA certified) or 6 amp at 28 VDC resistive. Letter codes B and G - 0.5. volt-amp (VA) maximum @ 28 V maximum (AC or DC). Base (body) -- Diallyl Phthalate. Bushing -- Brass, nickel plated. Clamp (frame) -- Stainless steel. Switching Contacts and Rockers Letter Code B -- gold/nickel/brass Letter Code G -- gold/nickel/silver Letter Code Q -- Coin silver Center Terminal Letter Codes B, G -- Gold flash/nickel/brass Letter Code Q -- Silver plated brass. Hardware PB and PBS Series (2) W-NU-11 hex nuts (1) W-WA-16 internal tooth lockwasher PBW Series (1) W-NU-11 hex nut (1) W-WA-16 internal tooth lockwasher (1) W-WA-44 neoprene panel seal Life Under Load (Resistive) Alternate Action Suffix - 123; 100,000 make-and break cycles Momentary Action Suffix - 126; 60,000 make-and-break cycles Initial Contact Resistance - 10 milliohms max. 3 VDC, 100 ma for both silver and gold plated contacts. Insulation Resistance - 1,000 MBG. Dielectric Strength - 1,000 volts rms at sea level. Bushing Strength - 12 pound-inches without physical damage to switch. -126 -123 Operating Force 1.5 lb. 1.75 lb. Pretravel .043 Max. .106 Max. Overtravel .009 Min. .008 Min. 14 Litho in U.S.A GG MINIATURE SWITCHES Pushbutton Switches -- Panelmount Maintained and Momentary Action (SPDT) Termination Options C Printed Circuit W Wire-Wrap W1 Wire-Wrap W3 Wire-Wrap W4 Wire-Wrap Z Standard Z3 Quick Connect Mating Receptacle from AMP SPECIAL IND., P.O. Box 984, Paoli, Pa. 19301 Amp P/N single piece 61454 series, strip from 60900 NOTE: Wire-Wrap is a registered trademark of the Gardner-Denver Company. APPROXIMATE DIMENSIONS PB, PBS, PBW SWITCHES w/"A" TYPE RIGHT ANGLE P.C. TERMINALS DIM. "A" "B" PB-123 .561 .108 PB-126 .514 .098 P.C. Mounting EPOXY SEALED P.C. TERMINALS ARE SUPPLIED AS STANDARD FOR THESE OPTIONS PB, PBS, PBW SWITCHES w/ "AV" (.100" TERMINAL SPACING) OR "AV2" (.150" TERMINAL SPACING) TYPE VERTICAL P.C. TERMINALS DIM. "A" "B" PB-123 .561 .108 PB-126 .514 .098 AV2 AV P.C. Mounting EPOXY SEALED P.C. TERMINALS ARE SUPPLIED AS STANDARD FOR THESE OPTIONS Litho in U.S.A GG 15 MINIATURE SWITCHES Pushbutton Switches -- Panelmount Maintained and Momentary Action (SPDT) PUSHBUTTON CAP STYLES FOR PB SERIES SWITCHES ON PAGE 14 PART NUMBER COLOR PART NUMBER COLOR PART NUMBER COLOR W-KN-12 W-KN-12A BLACK WHITE W-KN-31 W-KN-31A BLACK WHITE W-KN-14 W-KN-14A BLACK WHITE W-KN-12B W-KN-12C RED GREEN W-KN-31B W-KN-31C RED GREEN W-KN-14B W-KN-14C RED GREEN W-KN-12D W-KN-12E BLUE DK. GRAY W-KN-31D W-KN-31E BLUE DK. GRAY W-KN-14D W-KN-14E BLUE DK. GRAY W-KN-12F W-KN-12G YELLOW LT. GRAY W-KN-31F W-KN-31G YELLOW LT. GRAY W-KN-14F W-KN-14G YELLOW LT. GRAY Black, white, red are standard. Contact Electroswitch for availability on other colors shown. DECORATIVE FACENUTS FOR PB SERIES AND PS SERIES PART NUMBER W-NU-29A PART NUMBER W-NU-30A (For .310 Dia. Caps) (For .375 Dia. Caps) Part No. W-NU-29A Assembled to PB Series Switch. Part No. W-NU-30A Assembled to PS Series Switch. (See page 4) Finish: Bright chrome plate over brass 16 Finish: Bright chrome plate over brass Litho in U.S.A GG