features small size, light weight. low coil consumption. pc board mounting. suitable for household electrical appliance, automation system, electronic equipment, instrument, meter, telecommunication facilities and remote control facilities. ordering information nt78 c s 10 dc12v 0.6 1 2 3 4 5 6 1 part number nt78 2 contact arrangement a:1a b:1b c:1c u:1u 3 enclosure s: sealed type nil: dust cover 4 contact rating 5a,10a/14vdc 10a/120vac 5a/250vac 5 coil rated voltage(v) dc:6,9,12,24 6 coil power consumption 0.6:0.6w 0.8:0.8w contact data contact arrangement 1a spstno 1b spstnc 1c spdt(b-m) 1u spstnodm contact material ag cdo ag sno 2 ag sno 2 i n 2 o 3 contact rating (resistive) no:20a/14vdc 10a/120vac,5a/250vac nc:15a/14vdc,10a/120vac,5a/250vac iu:2 10a/14vdc motor load : 1/2hp 125vac lamp load : tv-5 max. switching power 280w 1250va max. switching voltage 42vdc 380vac max. switching current:20a 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) (80%of rated voltage ) release voltage vdc(min) (5% of rated voltage) coil power consumption w operate time ms release time ms 006-600 6 6.6 60 4.8 0.30 009-600 9 9.9 135 7.2 0.45 012-600 12 13.2 240 9.6 0.60 024-600 24 26.4 960 19.2 1.20 0.6 10 5 006-800 6 6.6 45 4.8 0.30 009-800 9 9.9 102 7.2 0.45 012-800 12 13.2 180 9.6 0.60 024-800 24 26.4 720 19.2 1.20 0.8 10 5 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. 91 nt78 15.7 12.3 14 e160644 on pending patent no. 99206529.1 ch0054067-2000
operation condition insulation resistance 100m min (at 500vdc) item 7 of iec255-5 dielectric strength between contacts between contact and coil 50hz 500v 50hz 500v 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 20 ) iec68-2-3test ca mass 6g 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 ccee load no 20a/14vdc 10a/120vac nc 10a/14vdc 1/2hp 125vac tv-5 5a/250vac dimensions (unit: mm) notes 1).dimensions are in millimeter. 2).inch equivalents are given for general information only. reference data nt78 dimensions wiring diagram (bottom views) mm >?? 0.4 0.016 0.5 0.020 1.1 0.043 1.3 0.051 1.4 0.055 1.45 0.057 2.5 0.098 3.5 0.138 5.0 0.197 10.2 0.401 12.3 0.848 14 0.551 15.7 0.618 mounting (bottom views)
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