NT72(4459)&NT72-2 E158859 CH0077845 R9858273 22.3×17.3×15 21.4×16.5×15 (NT72-2) 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 1 2 3 DC12V 0.36 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 Contact Material Contact Rating (resistive) Max. Switching Power Max. Switching Voltage Contact Resistance or Voltage drop Operation Electrical life Mechanical 1ASPSTNO 1B(SPSTNC)1C(SPDT(B-M)) AgCdO AgSnO2 UL:5A,10A,12A/125VAC,28VDC; 10A/240VAC;6A/250VAC,28VDC TüV : 6A/250VAC, 28VDC Motor load : 1/3HP 120VAC；1/3HP 240VAC 336W 2400VA 110VDC 380VAC Max. Switching Current:15A አ50m Item 3.12 of IEC255-7 105 Item 3.30 of IEC255-7 107 Item 3.31 of IEC255-7 Coil Parameter Coil voltage VDC Dash Numbers 003-360 005-360 006-360 009-360 012-360 018-360 024-360 003-450 005-450 006-450 009-450 012-450 018-450 024-450 048-610 Rated Max. 3 5 6 9 12 18 24 3 5 6 9 12 18 24 48 3.9 6.5 7.8 11.7 15.6 23.4 31.2 3.9 6.5 7.8 11.7 15.6 23.4 31.2 62.4 Coil resistance ±10% Pickup voltage VDC(max) (75%of rated voltage ) release voltage VDC(min) (10% of rated voltage) 25 69 100 225 400 900 1600 20 56 80 180 320 720 1280 3800 2.25 3.75 4.50 6.75 9.00 13.5 18.0 2.25 3.75 4.50 6.75 9.00 13.5 18.0 36.0 0.3 0.5 0.6 0.9 1.2 1.8 2.4 0.3 0.5 0.6 0.9 1.2 1.8 2.4 4.8 Coil power consumption W Operate Time ms Release Time ms 0.36 7 4 0.45 7 4 0.61 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 www.dblectro.com NT72(4459)& NT72-2 Operation condition Insulation Resistance Dielectric Strength Between contacts Between contact and coil 500M min (at 500VDC) Item 7 of IEC255-5 50Hz 1000V 50Hz 2500V 4000V(NT72-2) Item 6 Item 6 Shock resistance Vibration resistance Terminals strength Solderability Ambient Temperature Relative Humidity Mass 100m/s2 11ms 10~55Hz double amplitude 10N 2352 30.5s -40~85 85% (at 40) 11g of IEC255-5 of IEC255-5 IEC68-2-27 Test Ea IEC68-2-6 Test Fc IEC68-2-21 Test Ua1 IEC68-2-20 Test Ta method 1 1.5mm IEC68-2-3Test Ca Qualification inspection: Perform the qualification test as specified in the table of IEC255-19-1 and minimum sample size 24. Safety approvals Safety approval Load UL&CUR 12A/125VAC 28VDC 6A/250VAC 1/3HP 120VAC 240VAC InsulationB-class F-class CCEE TüV 6A/250VAC 28VDC 10A/250VAC 28VDC 5A/250VAC Dimensions (Unit: mm) NT72 NT72-2 Mounting (Bottom views) Dimensions Wiring diagram (Bottom views) NOTES 1).Dimensions are in millimeter. 2).Inch equivalents are given for general information only. mm >àçÇá 0.4 0.5 0.6 0.9 1.2 2.0 2.1000 3.5 5.08 7.62 12.7 15 16.5 17.3 21.4 22.3 0.016 0.020 0.024 0.035 0.047 0.079 0.083 0.138 0.200 0.300 0.500 0.591 0.650 0.681 0.843 0.878 Reference Data www.dblectro.com