nvf4-3&nvf4-4 small size. contact load capacity up to 80a. suitable for automobile. pc board mounting and direct insert mounting available. 1 part number nvf4-3,nvf4-4(insulation bracket), nvf4-4a( metal bracket)2 contact arrangement a:1a b:1b c:1c u:1u 3 enclosure s: sealed type z: dust cover 4 contact current a form:50a,80a b form:40a,70a c form:40,50a,70a,80a u form:2 25a 5 t erminals b: pcb type a: plug in type 6 coil rated voltage(v) dc:6,12,24 7 contact material c:agcdo n:agni nil: agsno 2 8 coil transient suppression: d: with diode.; 2d:with two diodes.;. r: with resistance.; dr: with diode and resistance; nil: standard ordering information nvf4-3 c z 30 b dc12v c d 1 2 3 4 5 6 7 8 contact data contact arrangement 1a spstno , 1b spstnc ,1c spdt(b-m) ,1u spstnodm contact material agsno , agni, agcdo 2 contact rating (resistive) 1a 1 b 1c 1u no:50a,80a/14vdc nc:40a,70a/14vdc max. switching power 980w max. switching v oltage 75vdc max. switching current:80a contact resistance or voltage drop 30m item 4.12 of iec 61810-7 5 operation electrical 10 item 4.30 of iec 61810-7 7 life mechanical 10 item 4.31 of iec 61810-7 50a,80a/14vdc 40a,70a/14vdc 2 25a/14vdc coil parameter dash numbers coil voltage vdc coil resistance 10% pickup voltage vdc(max) (65%of rated voltage ) release voltage vdc(min) (10% of rated voltage) coil power consumption w operate time ms release time ms rated max. 006-1800 6 7.8 20 3.9 0.6 012-1800 12 15.6 80 7.8 1.2 024-1800 24 31.2 320 15.6 2.4 1.8 7 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. features nvf4-3 nvf4-4 29 29 26.5 29 29 26.5(+16) operation condition 1) insulation resistance 100m min (at 500vdc) item 7 of iec 61810-5 1) dielectric strength between contacts between contact and coil 50hz 500v item 6 of iec 61810-5 50hz 500v item 6 of iec 61810-5 2 shock resistance 147m/s 11ms iec68-2-27 t est ea vibration resistance 10~40hz double amplitude 1.5mm iec68-2-6 test fc terminals strength 8n 4n(pc type) solderability 235 2 3 0.5s ambient t emperature -40~125 relative humidity 85% (at 40 ) mass 46g(nvf4-3);48g(nvf4-4) note: 1). when testing, coil terminals ,if coil transient suppression is installed in relay . should be connected dimensions dimensions note: t erminals as shown above are also available. 40a 50a pcb type 70a 80a pcbtype mounting (bottom view) wiring diagram (bottom view) notes 1).dimensions are in millimeters. 2).inch equivalents are given for general information only . reference data nvf4-3&nvf4-4 iec68-2-3 test ca iec68-2-20 test ta method 1 iec68-2-21 test ua 2 30 87a 87 8 85 1 6 . 8 8.4 17.9 1 . 4 86 8.0 8 . 4 87a 87 2.6 30 85 8.4 17.9 9- 2.18 3.8 3.8 17.9 8.4 8 3 . 8 3 . 8 8 . 5 1 7 2- 1.93 mm /inch 0.709 0.150 0.150 0.331 0.076 0.086 0.315 0 . 6 6 9 0 . 1 5 0 0 . 3 3 5 0 . 1 5 0 0 . 0 8 6 0 . 6 6 1 1 6 . 8 0.086 0.086 0.315 0 . 0 5 5 0 . 3 3 1 0.102 0.086 0.086 0.315 plug in type 86 40a 50a pcb mode 139 140 0 . 0 9 8 0.031 0.248 0.102 0 . 1 2 6 70a 80a pcb 1 . 5 3 . 0 3 . 8 0 . 1 1 8 0 . 0 5 9 0 . 1 5 0 0.031 0.8 0.063 1.6 0.374 9.5 0.059 1.5 6.3 0.248 0.047 1.2 0.079 1 . 1 8 1 0 . 6 3 0 0.150 1.142max. max. 0.287 0 . 1 8 1 0 . 6 3 0 0 . 3 8 6 0.866 0.748 0.217 0 . 4 7 2 0.374 0 . 5 9 8 0 . 0 1 2 0.031 1.142max. max. 0 . 4 5 3 0 . 0 1 2 0.031 0.079 1 . 1 8 1 0.248 1.142max. 1 . 0 4 3 m a x . 0 . 2 0 5 m a x . max. 0.248 0 . 1 8 1 0.047 0.150 0.217 0 . 4 7 2 0 . 4 5 3 0 . 0 1 2 0.031 0.866 0.748 0 . 3 8 6 1 . 0 4 3 m a x . m a x . 0.248 1.142max. max. 0.129 0 . 3 9 4 0 . 5 9 1 0.591 nvf4-4a 0.150 nvf4-3&nvf4-4(70a 80a) nvf4-3&nvf4-4(40a 50a) ningbo huaguan electronics corporation l td .
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