NT73 -2 CH0050406—2000 E158859 LR814321 19.5×15.3×15.3 Patent No.: R9858271 95 2 18643.8 Features Small size, light weight, heavy reverse power. Low coil power consumption. PC board mounting. Suitable for automation control, telecommunication equipment, household electrical appliance and machinery electrical facilities. Ordering Information NT73-2 1 C S 10 2 3 DC12V 0.36 4 5 1 Part number：NT73-2 2 Contact arrangement：A:1A；B:1B；C:1C 3 Enclosure：S: Sealed type；NIL: Dust cover 6 4 Contact rating：5A,10A,12A,15A/125VAC 28VDC；6A/277VAC 20A/125VAC 16VDC10A/250VAC（0.8W） ；TüV:6A/250VAC 28VDC 5 Coil rated Voltage(V)：DC:3,5,6,9,12,24,48 6 Coil power consumption：0.36:0.36W；0.45:0.45W；0.8:0.8W 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 1BSPSTNC 1CSPDT(B-M) AgCdO AgSnO2 5A,6A,10A,12A,15A/125VAC,28VDC;20A/125VAC,16VDC; 6A/277VAC;10A/250VAC TüV : 6A/250VAC, 28VDC (15A 0.4W ; 20A 0.8W coil only ) Motor load: 1/3HP 125VAC ; 1/3HP 277VAC 420W 2500VA 110VDC 380VAC Max. Switching Current:20A አ100m Item 3.12 of IEC255-7 105 Item 3.30 of IEC255-7 107 Item 3.31 of IEC255-7 Coil Parameter Pickup release voltage Coil power Operate Release voltage Dash VDC(min) consumpti VDC(max) Time Time numbers (10% of rated on (75%of rated ms ms voltage) W Rated Max. voltage ) 003-360 3 3.9 25 2.25 0.3 005-360 5 6.5 70 3.75 0.5 006-360 6 7.8 100 4.50 0.6 10 5 009-360 9 11.7 225 6.75 0.9 0.36 012-360 12 15.6 400 9.00 1.2 024-360 24 31.2 1600 18.0 2.4 048-360 48 62.4 6400 36.0 4.8 003-450 3 3.9 20 2.25 0.3 005-450 5 6.5 55.6 3.75 0.5 006-450 6 7.8 80 4.50 0.6 10 5 009-450 9 11.7 180 6.75 0.9 0.45 012-450 12 15.6 320 9.00 1.2 024-450 24 31.2 1280 18.0 2.4 048-450 48 62.4 5120 36.0 4.8 003-800 3 3.9 11 2.25 0.3 005-800 5 6.5 31 3.75 0.5 006-800 6 7.8 45 4.50 0.6 10 5 009-800 9 11.7 101 6.75 0.9 0.80 012-800 12 15.6 180 9.00 1.2 024-800 24 31.2 720 18.0 2.4 048-800 48 62.4 2880 36.0 4.8 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. Coil voltage VDC 81 Coil resistance ±10% www.dblectro.com NT73-2 Operation condition Insulation Resistance Dielectric Strength Between contacts Between contact and coil 250M min (at 500VDC) Item 7 of IEC255-5 50Hz 750V 50Hz 1500V Item 6 Item 6 Shock resistance Vibration resistance Terminals strength Solderability Ambient Temperature Relative Humidity Mass 100m/s2 11ms 10~55Hz double amplitude 5N 2352 30.5s -55~85 93% (at 40) 9.5g 1.5mm 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 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 TüV UL 20A/125VAC 16VDC 10A/250VAC 6A/277VAC 1/3HP 125VAC/277VAC InsulationB-class F-class 6A/250VAC 28VDC CCEE 7A/250VAC Dimensions (Unit: mm) Mounting (Bottom views) Dimensions Wiring diagram(Bottom views) NOTES 1).Dimensions are in millimeter. mm >àçÇá 0.3 0.4 0.5 1.0 1.3 1.4 1.0 3.9 6 12 12.2 15.3 16.5 19.5 0.012 0.016 0.020 0.039 0.051 0.055 0.079 0.153 0.236 0.472 0.480 0.602 0.650 0.768 2).Inch equivalents are given for general information only. Reference Data www.dblectro.com