N T 7 7 E9930952E01 R2033977.04 18.4×15.2×10.2 E158859 Features Super light in weight. High sensitivity. Switching capacity up to 12A. PC board mounting. Ordering Information NT77 A S 10 1 2 3 4 DC12V 5 4 Contact current:5:5A;10:10A;12:12A 5 Coil rated Voltage(V):DC:3,5,6,9,12,18,24 1 Part number:NT77 2 Contact arrangement:A:1A 3 Enclosure:S: Sealed type;NIL: Dust cover Contact Data Contact Arrangement 1ASPSTNO Contact Material Contact Rating (resistive) AgCdO Max. Switching Power 300W Max. Switching Voltage 30VDC 300VAC Max. Switching Current:12A Contact Resistance or Voltage drop Operation Electrical life Mechanical አ50m Item 3.12 of IEC255-7 AgSnO2 10A/277VAC,30VDC; 12A/125VAC 2770VA 5 Item 3.30 of IEC255-7 107 Item 3.31 of IEC255-7 10 Coil Parameter Dash numbers Coil voltage VDC Rated Coil resistance ±10% Pickup voltage VDC(max) (75%of rated voltage ) release voltage VDC(min) (5% of rated voltage) Max. 003-450 3 3.3 20 2.25 0.15 005-450 5 5.5 56 3.75 0.25 006-450 6 6.6 80 4.50 0.30 009-450 9 9.9 180 6.75 0.45 012-450 12 13.2 320 9.00 0.60 018-450 18 19.8 720 13.5 0.90 024-450 24 26.4 1280 18.0 1.20 Coil power consumption W Operate Time ms Release Time ms 0.45 8 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. 89 www.dblectro.com NT77 Operation condition Insulation Resistance Dielectric Strength Between contacts Between contact and coil 100M min (at 500VDC) Item 7 of IEC255-5 50Hz 1000V 50Hz 2500V 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 -40~70 85% (at 40) 7g 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 UL&CUR 12A/125VAC 10A/277VAC 30VDC TüV 12A/250VAC;30DC Dimensions (Unit: mm) Dimensions Mounting (Bottom views) mm >àçÇá 0.3 0.35 0.4 0.5 1.0 1.3 2.7 4.0 10.15 10.2 11.8 13.7 15.2 18.4 0.012 0.014 0.016 0.020 0.039 0.051 0.106 0.157 0.400 0.401 0.456 0.539 0.598 0.724 Wiring diagram (Bottom views) NOTES 1).Dimensions are in millimeter. 2).Inch equivalents are given for general information only. Reference Data www.dblectro.com