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) Following the table from left to right, the designer is able to specify To determine a part number select the options desired and fill in the boxes in the selection guides illustrated below. the options wanted. The options are described and illustrated on pages 15-16. Pushbutton Switch Selection Guide Pushbutton Cap Cap Terminal Contact Switch Series Circuit Size Color Type Material Other ++ + + + + Suffix Numbers & Letters Add to Base Catalog Number Base P/N Circuit Cap Size Cap Color Terminal Options Contact Material-Type Other Options PB -123 ON-NONE-ON 0 No Cap 0 No Cap Z Solder Lugs B Gold/Nickel/ Epoxy Sealed Push to make C Printed Circuit Brass Terminals contact and Push 1 .200 Dia. 1 Black Z3 Quick Connect G Gold/Nickel/ again to reverse W .750 Wirewrap Silver 2 .310 Dia. 2 White action W1 .964 Wirewrap Q Coin Silver PBS -126 ON-NONE-ON* W3 .425 Wirewrap K 3 375 Dia. 3 Red Normally Open or W4 1.0625 Wirewrap L Plunger Seal Normally Closed. A Right Angle P.C. M (For NC circuit AV Vertical P.C. use Terminal 2 & .100 Spacing PBW 1, for NO. 2 & 3, AV2 Vertical P.C. Plunger & Panel for NC and NO. 1, .150 Spacing Seal 2 & 3) *Momentary Contact Ratings are 0.4 VA-28 VAC or DC. Same as B, G and Q respectively except terminals brass with tin nickel alloy over Epoxy seal standard on all terminal options. 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 PBW PBS MAINTAINED ACTION PB w /.200 w /.310 w /.375 CAP CAP CAP MOMENTARY ACTION SPECIFICATIONS MATERIALS Contact Rating Letter codes G and Q 6 amp at 125 VAC, 3 amp Base (body) Diallyl Phthalate. U.L. recognized, CSA certified) or 6 amp at 28 VDC resistive. at 250 VAC ( Bushing Brass, nickel plated. Letter codes B and G 0.5. volt-amp (VA) maximum 28 V Clamp (frame) Stainless steel. maximum (AC or DC). Switching Contacts and Rockers Letter Code B gold/nickel/brass Life Under Load (Resistive) Letter Code G gold/nickel/silver Alternate Action Suffix 123 100,000 make-and break cycles Letter Code Q Coin silver Momentary Action Suffix 126 60,000 make-and-break cycles Center Terminal Initial Contact Resistance 10 milliohms max. 3 VDC, 100 ma for Letter Codes B, G Gold flash/nickel/brass both silver and gold plated contacts. Letter Code Q Silver plated brass. Hardware Insulation Resistance 1,000 MBG. PB and PBS Series Dielectric Strength 1,000 volts rms at sea level. (2) W-NU-11 hex nuts Bushing Strength 12 pound-inches without physical damage to (1) W-WA-16 internal tooth lockwasher switch. PBW Series -126 -123 (1) W-NU-11 hex nut Operating Force 1.5 lb. 1.75 lb. (1) W-WA-16 internal tooth lockwasher Pretravel .043 Max. .106 Max. (1) W-WA-44 neoprene panel seal Overtravel .009 Min. .008 Min. 14 Litho in U.S.A GGMINIATURE 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. PB-123 PB-126 A .561 .514 B .108.098 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) DIM. PB-123 PB-126 TYPE VERTICAL P.C. TERMINALS A .561 .514 B .108.098 AV2 AV P.C. Mounting EPOXY SEALED P.C. TERMINALS ARE SUPPLIED AS STANDARD FOR THESE OPTIONS Litho in U.S.A GG 15