magnet latching relay. high sensitivity & reliability.well anti-shock and anti-vibration. heavy contact load. ne720 ordering information ne720 a z dc12v d 1 2 3 4 5 1 part number ne720 2 contact arrangement a:1a b:1b 3 enclosure z: dust cover 4 coil rated voltage(v) dc:6,12, 24 5 coil:nil:singal coil ;d:double coils dash numbers coil rated voltage vdc coil resistance 10% switching voltage vdc (<80% of rated voltage) operating voltage range vdc coil power consumption w operate time ms rese t tim e ms caution : 1.when latching relays are installed in equipment, the latch and reset coil should not be pulsed simultaneously. coil should not be pulsed with less than the nominal coil voltage and pulse width should be a minimum of three times the specified operate time of the relay. if these conditions are not followed, it is possible for the relay to in be the magnetically neutral position . 2.switching voltage is for test purpose only and are no to be used as design criteria. coil parameter 36 4.5 12 6 contact data contact arrangement 1a spstno 1b spstnc contact material agsno 2 contact rating(resistive) 100a m ax/240vac max. switching power 23000va(cos =1) 2300va(cos =0.4) max. switching voltage 400v ac m ax. switching current:100a contact resistance or voltage drop 1m item 4.12 of iec 61810-7 4 operation life electrical 10 item 4.30 of iec 61810-7 (rated load) 6 mechanical 10 item 4 .31 of iec 61810-7 (no load) pulse magnitude ms 2 coil 006-4500 6 28 <4.8 4.9~10 012-4500 12 23 2 <9.6 9.8~20 024-4500 24 2 130 <19.2 19.7~40 1 coil 006-2250 6 16 <4.8 4.9~10 012-2250 12 64 <9.6 9.8~20 024-2250 24 260 <19.2 19.7~40 36 2.25 12 6 features 60 40 22 03001003498 operation condition insulation resistance 1000m min (at 500vdc) item 7 of iec 61810-5 dielectric strength between contacts 50hz 2000v surge voltage 4kv item 6 and 8 of iec 61810-5 between contact and coil 50hz 4000v surge v oltage 12kv item 6 and 8 of iec 61810-5 safety approvals safety approval cqc load 100a/220vac creepage distance 8.4mm addenda b of iec61810-5 22 shock resistance functional 100m/s ;survival:1000 m/s 11ms iec68-2-27 t est ea vibration resistance 10~55hz double amplitude 1.5mm iec68-2-6 t est fc terminals strength 5n; 2.5n m iec68-2-21 test ua1and ud solderability 235 2 3 0.5s iec68-2-20 t est t a method 1 ambient t emperature -40~85 relative humidity 85% (at 40 ) iec68-2-3test ca mass 82g wiring diagram dimensions mounting (bottom view) notes 1).dimensions are in millimeters. 2).inch equivalents are given for general information only . 3).relays shall have plus(+) or plus(+) and minus(-) signs placed on the circuit diagram as shown. ne720 mm /inch 171 172 3(-) 4(+) 2(-) 4 2(+) 3(-) set reset n o te s a :n c s id e b :n o s id e 2.362 m0.236 0 . 6 3 8 1 . 4 2 5 1 . 7 7 2 0 . 0 5 9 0.028 0.024 0.197 0.197 0 . 2 4 0 0 . 0 1 2 1 . 5 7 5 1 . 8 7 0 2.362 0 . 4 3 3 0 . 0 1 6 1.736 0.012 0 . 8 6 6 0 . 2 4 0 0 . 0 1 2 0.028 0.024 0.197 0.197 1 . 5 7 5 1 . 8 7 0 1 . 4 2 5 1 . 7 7 2 0 . 6 6 2 0.571 dimensions ningbo huaguan electronics corporation l td .
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