features small size, light weight. low price reliable quality. pc board mounting. suitable for household electrical appliance, automation system, electronic equipment, instrument, meter, telecommunication facilities and remote control facilities. ordering information nt72 c s 10 dc12v 0.36 1 2 3 4 5 6 1 part number nt72 4459 nt72-2 2 contact arrangement a:1a b:1b c:1c 3 enclosure s: sealed type nil: dust cover 4 contact current 5a,6a,10a,12a 5 coil rated voltage(v) dc:3,5,6,9,12,18,24,48 6 coil power consumption 0.36:0.36w 0.45:0.45w 0.61:0.61w contact data contact arrangement 1a spstno 1b(spstnc) 1c(spdt(b-m)) contact material ag cdo ag sno 2 contact rating (resistive) ul:5a,10a,12a/125vac,28vdc; 10a/240vac;6a/250vac,28vdc t v : 6a/250vac, 28vdc motor load : 1/3hp 120vac 1/3hp 240vac max. switching power 336w 2400va max. switching voltage 110vdc 380vac max. switching current:15a contact resistance or voltage drop 50m item 3.12 of iec255-7 electrical 10 5 item 3.30 of iec255-7 operation life mechanical 10 7 item 3.31 of iec255-7 coil parameter coil voltage vdc dash numbers rated max. coil resistance 10% pickup voltage vdc(max) (75%of rated voltage ) release voltage vdc(min) (10% of rated voltage) coil power consumption w operate time ms release time ms 003-360 3 3.9 25 2.25 0.3 005-360 5 6.5 69 3.75 0.5 006-360 6 7.8 100 4.50 0.6 009-360 9 11.7 225 6.75 0.9 012-360 12 15.6 400 9.00 1.2 018-360 18 23.4 900 13.5 1.8 024-360 24 31.2 1600 18.0 2.4 0.36 7 4 003-450 3 3.9 20 2.25 0.3 005-450 5 6.5 56 3.75 0.5 006-450 6 7.8 80 4.50 0.6 009-450 9 11.7 180 6.75 0.9 012-450 12 15.6 320 9.00 1.2 018-450 18 23.4 720 13.5 1.8 024-450 24 31.2 1280 18.0 2.4 0.45 048-610 48 62.4 3800 36.0 4.8 0.61 7 4 caution : 1.the use of any coil voltage less than the rated coil voltage will compromise the operation of the relay. 2.pickup and release voltage are for test purposes only and are not to be used as design criteria. 77 nt72(4459)&nt72-2 22.3 17.3 15 21.4 16.5 15 (nt72-2) e158859 ch0077845 r9858273
operation condition insulation resistance 500m min (at 500vdc) item 7 of iec255-5 dielectric strength between contacts between contact and coil 50hz 1000v 50hz 2500v 4000v(nt72-2) item 6 of iec255-5 item 6 of iec255-5 shock resistance 100m/s 2 11ms iec68-2-27 test ea vibration resistance 10~55hz double amplitude 1.5mm iec68-2-6 test fc terminals strength 10n iec68-2-21 test ua1 solderability 235 2 3 0.5s iec68-2-20 test ta method 1 ambient temperature -40~85 relative humidity 85% (at 40 ) iec68-2-3test ca mass 11g qualification inspection: perform the qualification test as specified in the table of iec255-19-1 and minimum sample size 24. safety approvals safety approval ul&cur t v ccee load 12a/125vac 28vdc 6a/250vac 1/3hp 120vac 240vac insulation b-class f-class 6a/250vac 28vdc 10a/250vac 28vdc 5a/250vac dimensions (unit: mm) reference data notes 1).dimensions are in millimeter. 2).inch equivalents are given for general information only. nt72(4459)& nt72-2 dimensions wiring diagram (bottom views) mounting (bottom views) mm >?? 0.4 0.016 0.5 0.020 0.6 0.024 0.9 0.035 1.2 0.047 2.0 0.079 2.1 000 0.083 3.5 0.138 5.08 0.200 7.62 0.300 12.7 0.500 15 0.591 16.5 0.650 17.3 0.681 21.4 0.843 22.3 0.878 nt72-2 nt72
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