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Presente / Presents:
DB LECTRO Inc. 3755 Place Java, Suite 140, Brossard, Quebec, J4Y 0E4, Canada - T: 1-450-444-1424 / F: 1-450-444-4714 / www.dblectro.com
NHG RELAYS
NT73-2
NT73 -2
R
Operation condition
Insulation Resistance Dielectric Strength Between contacts Between contact and coil Shock resistance Vibration resistance Terminals strength Solderability Ambient Temperature Relative Humidity Mass 250M min (at 500VDC) Item 7 of IEC255-5 Item 6 of IEC255-5 Item 6 of IEC255-5 IEC68-2-27 T Ea est IEC68-2-6 T Fc est IEC68-2-21 Test Ua1 IEC68-2-20 Test Ta method 1 IEC68-2-3Test Ca 50Hz 750V 50Hz 1500V 100m/s2 11ms 10~55Hz double amplitude 1.5mm 5N 235 2 3 0.5s -55~85 93% (at 40 ) 9.5g
03001003508 LR814321
19.5 15.6 15.3
C
US
E158859
R50050438
PATENT NO.: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 appliances and machinery electrical facilities.
Qualification inspection:
Perform the qualification test as specified in the table of IEC255-19-1 and minimum sample size 24. TU V CQC
Safety approvals Ordering Information
Safety approval UL 20A/125VAC,16VDC 12A/28VDC 10A/250VAC 6A/277VAC 1/3HP 125VAC/277VAC Insulation B-class F-class
NT73-2 C S
1 2 3
10 DC12V
4 5
0.36
6
4 Contact rating 5A,10A,12A,15A/125VAC 28VDC 6A/277VAC 20A/125VAC 16VDC10A/250VAC 0.8W T V: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 Load
6A/250VAC 28VDC
7A/250VAC
1 Part number NT73-2 2 Contact arrangement A:1A B:1B C:1C 3 Enclosure S: Sealed type NIL: Dust cover
Contact Data
Contact Arrangement Contact Material Contact Rating (resistive) 1A SPSTNO 1B SPSTNC 1C SPDT(B-M) AgCdO AgSnO2 5A,6A,10A,12A,15A/125VAC,28VDC;20A/125VAC,16VDC; 6A/250VAC,277VAC;10A/250VAC (15A 0.45W ; 20A 0.8W coil only ) Motor load: 1/3HP 125VAC ; 1/3HP 277VAC 420W 2500VA 110VDC 380VAC Max. Switching Current:20A 100m Item 3.12 of IEC255-7 105 Item 3.30 of IEC255-7 107 Item 3.31 of IEC255-7
Dimensions
19.5max. 0.768max. 15.6max. 0.614max. 0.079 15.3max. 0.602max. 0.012 0.480
mm /inch
Max. Switching Power Max. Switching Voltage Contact Resistance or Voltage drop Operational Electrical life Mechanical
0.4 0.016
0.472
0.153
0.236
0.055 0.079 0.480
0.039 0.020 0.039 0.016 0.472
5- 1.3 0.051
Coil Parameter
Dash numbers Coil voltage VDC Rated 003-360 005-360 006-360 009-360 012-360 024-360 048-360 003-450 005-450 006-450 009-450 012-450 024-450 048-450 003-800 005-800 006-800 009-800 012-800 024-800 048-800 3 5 6 9 12 24 48 3 5 6 9 12 24 48 3 5 6 9 12 24 48 Max. 3.9 6.5 7.8 11.7 15.6 31.2 62.4 3.9 6.5 7.8 11.7 15.6 31.2 62.4 3.9 6.5 7.8 11.7 15.6 31.2 62.4 25 70 100 225 400 1600 6400 20 55.6 80 180 320 1280 5120 11 31 45 101 180 720 2880 Coil resistance 10% Pickup voltage VDC(max) (75%of rated voltage ) 2.25 3.75 4.50 6.75 9.00 18.0 36.0 2.25 3.75 4.50 6.75 9.00 18.0 36.0 2.25 3.75 4.50 6.75 9.00 18.0 36.0 Release voltage Coil power VDC(min) (10% of rated consumption W voltage) 0.3 0.5 0.6 0.9 1.2 2.4 4.8 0.3 0.5 0.6 0.9 1.2 2.4 4.8 0.3 0.5 0.6 0.9 1.2 2.4 4.8 Operate Time ms Release Time ms
Mounting (Bottom view)
Dimensions
0.36
10
5 NOTES 1).Dimensions are in millimeters. 2).Inch equivalents are given for general information only. Wiring diagram(Bottom view)
Reference Data
0.45 10 5
10 8 6 4 2
0.80
10
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.
Ningbo Huaguan Relay Corporation LTD.

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