apem www.apem.com b-111 1200 series momentary pushbutton switches - round plunger distinctive features and specifications b ? butt action contacts, double break ? nf (en 61058-1), ul and csa approved materials ?case : polyamide ?plunger : polyamide ?bushing : brass, nickel plated ?contacts : a : silver c : copper, silver plated agency approvals models 1233x209 and 1233x209l are standard marked nf. to order switches marked nf, ul or csa, complete appropriate box of ordering format. electrical specifications ?max. current/voltage rating with resistive load : - silver contacts (a) : 4a 250vac - 8a 125vac - 4a 24vdc - 8a 12vdc - silver plated copper contacts. (c) : 2a 250vac - 3a 125vac 2a 24vdc - 3a 12vdc ?initial contact resistance : 10 m ? at 1a 2vdc ?insulation resistance : 1.000 m ? min. at 500vdc ?dielectric strength : 2.000 vrms 50 hz min. between terminals 3.000 vrms 50 hz min. between terminals and frame ?electrical life : 10.000 cycles at full load general specifications ?torque : 1,50 nm (1.10 ft.lb) max. applied to nut ?panel thickness : 5 mm (.196) max. ?total travel : no : 4,5 (.177) +/- 0,3 (.011) nc : 3,5 (.137) +/- 0,3 (.011) ?operating temperature : -20? to +55? dimensions : first dimensions are in mm while inches are shown as bracketted numbers. sealing boots are available to protect the switches against dust and water. they are presented in section h. mounting accessories : standard hardware supplied : - silver contact models : 1 hex nut u166 and 1 knurled nut u411 - copper contact models : 1 hex nut u42 and 1 knurled nut u411 standard and special hardware are presented in section i. packaging unit : 40 pieces, except model 1200.l (50 pieces). about this series 2a 250vac or 4a 250vac, t55/125? (all models, except 1212 and 1213) 4a 250vac - 8a 125vac en 61058-1
b-112 apem www.apem.com 1200 series momentary pushbutton switches - round plunger solder lug/quick-connect terminals - screw terminals b 9.20 6.35x0.80 (.362) (.25x.031) (.122dia) 3.10 4.50 (.177) (.283) (.031) (.118diax0.50) 3.00x0.50 0.80 7.20 6.35 (.25) (.25) 6.35 9.20 0.80 3.00x0.50 (.118diax0.50) (.031) (.362) ? single pole configurations ?approved models : see following pages ?panel cut-out : 12,2 (.480) 9.20 6.35x0.80 (.362) (.25x.031) (.059dia) .50 4.50 (.177) screw terminals solder lug/quick-connect terminals model structure no nc (function 3) (function 2) 1212 normally closed 1213 normally open 1222 normally closed 1223 normally open ? keyway 122. 121. 123. 120. ? keyway ? keyway (.362) (.472) (.413) (.25x0.031) 13.20 (.551) (.669) (.472diax0.75 is) 9.20 12.00 10.50 14.00 6.35x0.80 (.519) 17.00 12.00x0.75 si 7.50 (.295) (.039) 1.00 8.00 (.315dia) 10.50 12.00 (.413) (.472) (.315) 8.00 14.00 (.551) 17.00 (.519) (.669) 13.20 12.00x0.75 si (.472diax0.75 is) (.295) 7.50 (.315dia) 8.00 1.00 (.039) normalized quick-connect terminals 1232 normally closed 1233 normally open (.669) 17.00 7.50 (.295) (.472diax0.75 is) ?2.00x0.75 si 6.35x0.80 (.519) (.25x0.031) (.551) 14.00 13.20 (.039) 1.00 (.472) 12.00 (.362) 9.20 (.413) 10.50 ?.00 (.315dia) (.059dia) ?.50 ? keyway plunger height : no model : 7,50 mm, nc model : 5,80 mm
apem www.apem.com b-113 1200 series momentary pushbutton switches - round plunger b right angle screw terminals + clamp contact materials a silver c copper, silver plated finish luxe chrome plated cap nut u117 instead of knurled nut u411 plunger colours 2 : black - 3 : green - 6 : red - 7/1 : white 1203-7 normally open ? keyway 12.00x0.75 si (.472diax0.75 is) 7.00 (.275) 6.35x0.80 (.25x.031) 10.50 12.00 (.413) (.472) 8.00 (.315dia) 14.00 (.551) 7.50 (.295) (.826) 90? 21.00 1.00 (.039) straight screw terminals + clamp 1202 normally closed 1203 normally open ? keyway (.472diax0.75 is) 12.00x0.75 si (.551) 14.00 (.315dia) 8.00 (.472) (.413) 12.00 10.50 (.519) (.669) 13.20 17.00 (.25x.031) 6.35x0.80 (.283) 7.20 (.295) 7.50 (.039) 1.00 plunger height : no model : 7,50 mm, nc model : 5,80 mm
b-114 apem www.apem.com 1200 series momentary pushbutton switches - round plunger b x209l nf standard marked - silver contacts 1233ax209l normally open special models x209 nf standard marked - silver contacts agency approvals 1233ax209 normally open note : ground connector u187 compulsory on models x209 and x209l if the panel is not metallic or not connected to ground. order separately : see section i. ? keyway ? keyway 10.50 12.00 9.20 (.413) (.472) (.362) 8.00 (.315dia) 6.35x0.80 14.00 (.551) (.25x0.031) (.519) 13.20 17.00 (.669) 12.00x0.75 si (.472diax0.75 is) (.295) 7.50 (.039) 1.00 (.511) 13.00 (.25x0.031) 6.35x0.80 9.20 (.362) 10.50 12.00 (.413) (.472) 12.00x0.75 si (.472diax0.75 is) 14.00 (.551) (.519) 13.20 17.00 (.669) 8.00 (.315dia) 1.00 (.039) nf all models, except 1212 and 1213. ul-csa all models, including x209 and x209l marking : to order switches marked nf, ul or csa, complete above box with desired approvals.
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