NT73-2, 5-20A PCB micro relay

♦ Current: 5A,6A,10A,12A,15A,20A

♦ Contact Form: 1A,1B,1C

♦ DC: 3v-48v

 

                                                                                                                         
Model                                                                               NT73-2                   
Size                                                                  19.5mm×15.6mm×15.3mm   
Enclosure                                                                   Sealed type              
                                                                                 Dust cover               
Contact current                                                 5A,6A,10A,12A,15A  
Contact Arrangement                                        SPST SPDT              
Max. Switching Voltage                                 110VDC 380VAC          
Max. Switching Current                                           20A                     

 

Product Detail

NT73-2, 5A 6A 10A 12A 15A 20A, micro relay 1A/1B/1C

 

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.

 

Ordering informatin

NT73-2     D      A      S     10      DC12V       0.36
    1              2        3         4        5              6                7
1. Part number  NT73-2
2 Terminals  NIL:Standard                 D:double terminals
3 Contact arrangement  A:1A                     B:1B                 C:1C
4 Enclosure  S: Sealed type                       NIL: Dust cover
5 Contact rating  5A,10A,12A,15A/125VAC 28VDC            6A/277VAC
20A/125VAC 16VDC            10A/250VAC 0.8W           T V:6A/250VAC 28VDC
6 Coil rated voltage(V)  DC:3,5,6,9,12,24,48
7 Coil power consumption  0.36:0.36W              0.45:0.45W                   0.8:0.8W

 

Contact data

Contact Arrangement 1A (SPSTNO), 1B (SPSTNC), 1C (SPDT(B-M))
Contact Material AgCdO                AgSnO2
Contact Rating (resistive) 5A,6A,10A,12A/125VAC,28VDC;           20A/125VAC,16VDC;
6A/250VAC,277VAC;                  10A,12A/250VAC; 15A/125VAC
(15A 0.45W ; 20A 0.8W coil only )
Motor load: 1/3HP 125VAC ;              1/3HP 277VAC
Max. Switching Power 420W 2500VA
Max. Switching Voltage 110VDC 380VAC                              Max. Switching Current: 20A
Contact Resistance or                     Voltage drop ≤100mΩ                                            Item 4.12 of IEC 61810-7
Operational life Electrical 100,000 times                                   Item 4.30 of IEC 61810-7
Mechanical 10,000,000 times                              Item 4.31 of IEC 61810-7

CAUTION:  1.For the intermediate current, it only applies to the room temperature.

Coil parameter

Dash numbers Coil voltage VDC Coil resistance ±Ω10% Pickup
voltage VDC(max)
(75%of rated
voltage )
Release
voltage VDC(min)
(10% of rated
voltage)
Coil power consumption   W Operate Time ms Release Time ms
Rated Max.
003-360
005-360
006-360
009-360
012-360
024-360
048-360
3
5
6
9
12
24
48
3.9
6.5
7.8
11.7
15.6
31.2
62.4
25
70
100
225
400
1600
6400
2.25
3.75
4.50
6.75
7.00
18.0
36.0
0.3
0.5
0.6
0.9
1.2
2.4
4.8
0.36 ≤10 ≤5
003-450
005-450
006-450
009-450
012-450
024-450
048-450
3
5
6
9
12
24
48
3.9
6.5
7.8
11.7
15.6
31.2
62.4
20
55.6
80
180
320
1280
5120
2.25
3.75
4.50
6.75
7.00
18.0
36.0
0.3
0.5
0.6
0.9
1.2
2.4
4.8
0.45 ≤10 ≤5
003-800
005-800
006-800
009-800
012-800
024-800
048-800
3
5
6
9
12
24
48
3.9
6.5
7.8
11.7
15.6
31.2
62.4
11
31
45
101
180
720
2880
2.25
3.75
4.50
6.75
7.00
18.0
36.0
0.3
0.5
0.6
0.9
1.2
2.4
4.8
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.

Operation condition

 Insulation Resistance  250MΩ min (at 500VDC)  Item 7 of IEC 60255-5
 Dielectric Strength
 Between contacts
 Between contact and coil
                                                                                 50Hz 750V
 50Hz 1500V
                                                             Item 6 of IEC 60255-5
 Item 6 of IEC 60255-5
 Shock resistance  100m/s² 11ms  IEC 68-2-27 Test Ea
 Vibration resistance  10Hz~55Hz double amplitude 1.5mm  IEC 68-2-6 Test Fc
 Terminal strength  5N  IEC 68-2-21 Test Ua1
 Solderability  235°C±2°C       3s±0.5s  IEC 68-2-20 Test Ta method 1
 Ambient Temperature  -55°C ~85°C 
 Relative Humidity  93% (at 40°C )  IEC 68-2-3 Test Ca
 Mass  9.5g

 

Safety approvals

Safety approval UL TÜ V CQC
Load 20A/125VAC,16VDC 12A/28VDC
10A/250VAC 6A/277VAC
 1/3HP 125VAC/277VAC
6A/250VAC 28VDC  7A/250VAC
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