b124 general specifcations electrical capacity (resistive load) power level: 15a @ 125/250v ac or 15a @ 30v dc other ratings contact resistance: 10 milliohms maximum for solder lug, screw & quick connect terminal models 30 milliohms maximum for wire lead terminal models insulation resistance: 200 megohms minimum @ 500v dc dielectric strength: 1,250v ac minimum between contacts for 1 minute minimum 3,750v ac minimum between contacts & case for 1 minute minimum mechanical life: 30,000 operations minimum electrical life: 15,000 operations minimum for circuit 11 and 12 models 10,000 operations minimum for circuit 13, 15, 18, 19 models a ngle of throw: 24 materials & finishes rocker: phenylene oxide outer housing: polyamide (ul94v-0) inner case: melamine (ul94v-0) cover for wire lead models: glass fber reinforced polyamide (ul94v-0) flange gasket: nitrile butadiene rubber movable contactor: copper with silver plating movable contacts: silver alloy plus copper with silver plating stationary contacts: silver alloy plus copper with silver plating terminals: brass with tin plating wire lead covers: heat resistant polyvinyl chloride (leads are awg 14) environmental data operating temp range: C25c through +85c (C13f through +185f) humidity: 90 ~ 95% humidity for 96 hours @ 40c (104f) vibration: 10 ~ 55hz with peak-to-peak amplitude of 1.5mm traversing the frequency range & returning in 1 minute; 3 right angled directions for 2 hours shock: 50g (490m/s 2 ) acceleration (tested in 6 right angled directions, with 5 shocks in each direction) front panel seal: ip67 of iec60529, dust tight & water protected during temporary immersion for all models behind panel seal: ip60 of iec60529, dust tight but not water protected for solder lug, screw & quick connect models ip67 of iec60529, dust tight & water protected during temporary immersion for wire lead models installation soldering time & temp: manual soldering: see profle a in supplement section. cleaning: hand clean locally using alcohol based solution. standards & certifications flammability standards: ul94v-0 outer housing, inner case, & outer cover on wire lead models ul: file no. e44145 - recognized only when ordered with marking on switch. add /u or /cul to end of part number to order ul recognized switch. all models approved at 15a @ 125/250v ac & 15a @ 30v dc. vde: license no. 40028806 - approved only when ordered with marking on switch. add /v to end of part number to order vde approved switch. all models approved at 15a @ 250v ac (pending for quick connect). en: no. 61058-1 wr11 & wr12 models meet european norm for 3mm contact gap to prevent contact welds. wiring material standards: ul awm 1015 recognized at flammability vw-1. temperature range C20c ~ +105c; maximum load 600v; awg 14. cs a tew 105 certifed at temperature range C20c ~ +105c; maximum load 600v. series wr environmentally sealed rockers indicators accessories supplement tactiles keylocks rotaries pushbuttons illuminated pb slides programmable b rockers touch tilt toggles www.nkkswitches.com
b125 distinctive characteristics single unit construction of the fange and outer housing gives added protection from environmental elements. specially designed contact mechanism for breaking light welds. minimal contact bounce achieved with specially designed interlocked switching mechanism. heat resistant resin used for outer housing, inner case, and cover on wire lead models meets ul94v-0 fammability standard and provides high arc and tracking resistance. available with solder lug, screw, quick connect, and wire lead terminations. actual size sealed construction meets ip60 & ip67 standards solder lug, screw, and quick connect terminal models meet ip67 of iec60529 standards at front panel (dust tight and water protected for temporary immersion, patent pending). behind panel standard is ip60 (dust tight but not water protected). wire lead models conform fully to ip67 of iec60529 standards at front and behind panel (dust tight and water protected for temporary immersion). switch base is epoxy sealed and covered by an outer case for further protection from dust and water. (switches cannot be operated under water. contact factory for further details regarding operating environment.) series wr environmentally sealed rockers indicators accessories supplement tactiles keylocks rotaries pushbuttons illuminated pb slides programmable toggles b rockers touch tilt www.nkkswitches.com
b126 terminals s solder lug with epoxy seal sn solder lug without epoxy seal t screw lug with epoxy seal tn screw lug without epoxy seal f .250 (6.35mm) quick connect with epoxy seal fn .250 (6.35mm) quick connect without epoxy seal l wire lead typical switch ordering example s wr spdt on-none-on circuit circuits 1 on none off 2 on none on 3 on off on 5 on none (on) 8 (on) off (on) 9 on off (on) ( ) = momentary description for typical ordering example wr12bs b solder lug terminals with epoxy seal poles 1 spst spdt 2 1 ivory rocker rockers a black b ivory contact factory for quick connect with ivory rocker * * important: switches are supplied without ul, culus & vde marking unless specifed. ul, culus & vde recognized only when ordered with marking on the switch. specifc models, ratings and ordering instructions are noted on the general specifcations page. series wr environmentally sealed rockers indicators accessories supplement tactiles keylocks rotaries pushbuttons illuminated pb slides programmable b rockers touch tilt toggles www.nkkswitches.com
b127 rocker position ( ) = momentary connected terminals throw & schematics pole model down center up down center up note: terminal numbers are not actually on wire lead models. sp wr11 on none off 1a-1b open open spst sp wr12 wr13 wr15 wr18 wr19 on on on (on) on none off none off off on on (on) (on) (on) 1-1b open 1-1a spdt poles & circuits 1a (com) 1b 1 (com) 1b 1a typical switch dimensions wr11 model does not have terminal 1. wr12as screw lug terminals solder lug terminals wr11 model does not have terminal 1. wr12at panel thickness .039 ~ .157 (1.0mm ~ 4.0mm) (28.8) 1.134 (34.2) 1.346 (11.2) ty p .441 (38.9) 1.531 (25.4) 1.00 (7.8) .307 (8.3) .327 m3.5 x 5 ty p 24 (2.5) .098 (1.0) ty p .039 (41.0 ) 1.614 (30.0) 1.181 (12.9) .508 (24.0) .945 nkk p/n this side (34.2) 1.346 (28.8) 1.134 (35.4) 1.394 24 (25.4) 1.00 (4.8) .189 (11.3) ty p .445 (7.8) .307 (2.5) .098 (0.8) ty p .031 (2.4) dia ty p .094 (41.0 ) 1.614 (30.0) 1.181 (12.9) .508 (24.0) .945 nkk p/n this side panel thickness .039 ~ .157 (1.0mm ~ 4.0mm) (15.8) .622 (17.2) .677 1a 1b 1 (4.8) ty p .189 (15.8) .622 (17.2) .677 1a 1b 1 (6.6) ty p .260 (17.2) .677 (34.2) 1.346 + 0.3 ? 0.0 + 0.3 ? 0.0 (17.2) .677 (34.2) 1.346 + 0.3 ? 0.0 + 0.3 ? 0.0 series wr environmentally sealed rockers indicators accessories supplement tactiles keylocks rotaries pushbuttons illuminated pb slides programmable toggles b rockers touch tilt www.nkkswitches.com
series wr environmentally sealed rockers b128 indicators accessories supplement tactiles keylocks rotaries pushbuttons illuminated pb slides programmable b rockers touch tilt toggles www.nkkswitches.com typical switch dimensions wr13af wr11 model does not have terminal 1. .250 (6.35mm) quick connect terminals wr15bl wr11 model does not have terminal 1. wire lead terminals panel thickness .039 ~ .157 (1.0mm ~ 4.0mm) panel thickness .039 ~ .157 (1.0mm ~ 4.0mm) standard wire color scheme terminal numbers & wire colors 1a 1 1b wr11 black white wr12-19 white black red wire leads are covered with heat resistant vinyl in accordance with ul 1015 and csa tew 105 standards for appliance wiring material (awm). (34.2) 1.346 (25.4) 1.00 (39.5) 1.555 (200.0) 7.874 (10.0) .394 (20.0) 24 (2.5) .098 + ? (7.8) .307 (41.0 ) 1.614 (30.0) 1.181 (12.9) .508 (24.0) .945 nkk p/n this side (17.2) .677 1a 1b 1 (17.2) .677 (34.2) 1.346 + 0.3 ? 0.0 + 0.3 ? 0.0 (17.2) .677 (34.2) 1.346 + 0.3 ? 0.0 + 0.3 ? 0.0 (34.2) 1.346 (41.35) 1.628 (2.5) .098 (7.8) .307 24? (10.75) .423 (25.4) 1.00 (1.65) .065 dia typ (0.8) .031 typ (7.95) .313 (6.35) .250 (7.5) .295 (3.95) .156 (28.8) 1.134 (15.8) .622 (17.2) .677 1a 1b (22.6) .890 (3.6) .142 1 (41.0 ) 1.614 (30.0) 1.181 (12.9) .508 (24.0) .945 nkk p/n this side
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