300 & 400 series Miniature pushbutton switches Distinctive features and specifications Dry circuit through power ratings . Compact size. Panel, panel & PC and PC mounting models. ELECTRICAL SPECIFICATIONS * Max. current/voltage rating with resistive load : - gold over nickel plated brass contacts : 0.4VA - 20V Max. - coin silver contacts : 1A 125VAC or 28VDC, 0.5A 250VAC, 3A 125VAC or 28VDC, * Initial contact resistance : 10 milliohms max. at 3VDC, 0.1 Amp. * Insulation resistance : 10,000 M min. * Dielectric strength : 1,000 Vrms min at sea level. * Electrical life : Model Contacts 300 (Q) coin silver 300 (B) gold 300 400 400 400 (Q) coin silver (Q) coin silver (Q) coin silver (B) gold Rating Number of cycles 3A 125VAC or 28VDC 10,000 1A 125VAC or 28 VDC 250,000 0.4VA max. at 20V 250,000 3A 125VAC or 28VDC 10,000 1A 125VAC or 28 VDC 0.4VA max. at 20V MATERIALS * Base: diallyphthalate (DAP) * Actuator: nylon * Bushing: nickel plated brass * Contacts B: Gold Q: Coin silver * Terminal seal: epoxy * Spring bracket: stainless steel * Support bracket: brass or tin plated steel * Bezel and cap: nylon 40,000 40,000 GENERAL SPECIFICATIONS AGENCY APPROVAL *Operating temperature : -30C to +85C Availability: All models with coin silver contacts (Q) only. Marking:: To order switches marked UL, complete appropriate box on ordering format. APEM www.apem.com B 300 & 400 series Miniature pushbutton switches Overview E SERIES Bushing 301 302 305 306 401 402 B T1 2 8 Standard Long (see dwg. - specify for all models with bezels-not available for 306) Bezel color Black White 2 6 Terminations Z Solder lug C Printed circuit board V-1 Right angle p.c. terminals for 301, 302, 305, 401 & 402 only. (see dwg) Red E Bezel & Cap Snap-in Sealing Epoxy Agency approval Cap Color Black J81 B Gold Q Coin Silver None Standard 15/32" thd'd. (see dwg - 301, 303 & 305 only). Actuators S Contact material /UL No approval UL Approval (Q contact material only) ABOUT THIS SERIES On the following pages, you will find successively : - model structure of switches - options in the same order as in above chart Dimensions : first dimensions are in mm while inches are shown as bracketed numbers. NOTICE : please note that not all combinations of above numbers are available. Refer to the following pages for further information. www.apem.com APEM 300 & 400 series Miniature pushbutton switches Terminations * Solder lug or straight PC terminals * Epoxy sealed terminals standard Normally open with overtravel: 301 Normaly Open Normaly Open PC terminals 301CQE Normaly Open 301CBE Normaly Open Normally open no overtravel: 302 302ZQE 302ZBE PC terminals 302CQE 302CBE 305ZQE 305ZBE PC terminals 305CQE 305CBE APEM O9.40 (O.370) 0.38 (.015) Actuation force: 8.5oz. 4oz. 5.13 (.202) O4.06 (O.160) Normaly Open Normaly Open Normaly Open Normaly Open Normally open with greater overtravel: 305 Solder lug terminals Total travel: 2.7 (.110) Over travel: 0.51 (.020) 1/4-40 UNS 5.61 8.10 6.35 3.72 (.221) (.319) (.250) (.146) 301ZBE Solder lug terminals O4.06 (O.160) 5.61 10.90 6.35 4.52 (.221) (.429) (.250) (.178) 301ZQE 1.17 (.046) Actuation force: 10oz. 4oz. www.apem.com 5.13 (.202) O4.06 (O.160) Normaly Open Normaly Open O9.40 (O.370) 0.38 (.015) Total travel: 1.52 (.060) Normaly Open Normaly Open 1/4-40 UNS Total travel: 2.7 (.110) Over travel: 1.20 (.075) Actuation force: 8oz. 4oz. 5.61 10.90 6.35 4.52 (.221) (.429) (.250) (.178) Solder lug terminals 6.86 (.271) 2.03 (.080) 1.27 (.050) 2.54 (.100) 4.80 (.189) 2.54 (.100) C 1.02 (.040) 5.59 (.221) Z 1/4-40 UNS O9.40 (O.370) 0.38 (.015) 5.13 (.202) B 300 & 400 series Miniature pushbutton switches Normally open with sealed contact area: 306 306ZQE Normaly Open PC terminals 306CQE Normaly Open 306CBE Normaly Open O9.40 (O.370) 20.00 (.787) Normaly Open 5/16-24 UNF Total travel: 8.74 (.310) Over travel: 6.35 (.250) Actuation force at full travel: 9oz. 5.61 (.221) 306ZBE 0.38 (.015) 5.13 (.202) Normally open snap-action mechanism:400 MOM - 6.35 5.28 (.250) (.208) OFF OFF Pretravel: 0.66 (.026) Actuation travel: 2.60 (.106) Total traval: 3.48 (.137) Over travel: 0.79 (.031) Actuation force: 22oz. O9.53 (O.375) 0.38 (.015) 5.13 (.202) For complete part number, and full list of options see part number breakdown at the beginning of this section 10.13 (.399) Dim B 301 2.74 (.108) 23.60 (.929) 302 2.16 (.085) 20.75 (.817) 305 2.74 (.108) 23.60 (.929) 401 3.68 (.145) 29.00 (1.142) 402 3.68 (.145) 29.00 (1.142) Right angle terminal with bracket Model no. Dim B Dim C A 17.40 (.685) Dim A 10.13 (.399) Model no. 7.16 (.282) 15.62 (.615) B O1.91 (O.075) Dim D 301 11.15 (.439) 13.97(.550) 16.51 (.650) 302 8.30 (.327) 11.43 (.450) 13.97(.550) 305 11.15 (.439) 13.97(.550) 16.51 (.650) 401 16.59 (.653) 19.05 (.750) 21.59 (.850) 402 16.59 (.653) 19.05 (.750) 21.59 (.850) 2.29 (.090) 5.08 (.200) Snap-in bezel C D 6.15 (.242) 9.40 (.370) www.apem.com B 4.70 (.185) - 11.91 (.469) 402 ON 1/4-40 UNS 5.60 (.221) 401 O4.06 (O.160) 3.18 9.40 (.125) (.370) B 6.35 8.92 (.250) (.351) Solder lug terminals O4.06 (O.160) 1.17 (.046) 5.08 (.200) 0.41 (.016) C D APEM 300 & 400 series Miniature pushbutton switches T1 option with 15/32 bushing 305 6.35 (.250) 9.25 (.365) 6.35 (.250) A 301 O8.40 (.330 DIA) 16.65 (.655) Dim A O11.90-32UNS (15/32-32UNS) O9.40 (.370 DIA) 0.40 (.015) 5.60 (.220) Model no. EPOXY 5.30 (.209) T1 option availible only for 301 and 305 models Option S long actuator O4.06 (O.160) 6.81 (.269) 5.28 (.209) 4.78 (.188) 6.10 (.241) 4.78 (.188) O4.06 (O.160) O4.06 (O.160) 1/4-40 NS 1/4-40 NS 1/4-40 NS 302 301 & 305 401 & 402 Panel cut-outs R0.13 (R.005) MAX. 1/4" threaded bushings 13.00 (.512) O11.89 (O.468) 6.35 ( .251) 15.24 (.600) 15/32" threaded bushings Snap-in bezel UL option UL For power circuits - coin silver RATING: 0.5 Amps at 125 VAC (75% power factor). Underwriter Laboratories file no. E66367. Note - applicable only to terminations with coin silver contacts (Q option). APEM www.apem.com B