NT72(4459)&NT72-2

22.3

17.3

15 21.4

16.5

15 (NT72-2)

Ordering Information

NT72 C

S 10 DC12V 0.36

1

2

3

4

5

6

Rated

Max.

Dash

numbers

Coil voltage

VDC

Coil

resistance

10%

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

Coil Parameter

4 Contact current

3A,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

1 Part number

NT72(4459), NT72-2

2 Contact arrangement

A:1A

B:1B

C:1C

3 Enclosure

S:Sealed type

NIL:Dust cover

Contact Arrangement

1A SPSTNO

1B(SPSTNC)

1C(SPDT(B-M))

Contact Material

AgCdO

AgSnO

2

Contact Rating (resistive)

5A,10A,12A/125VAC,28VDC; 6A/300VAC,28VDC

3A,5A,10A/250VAC

Motor load : 1/3HP 120VAC

1/3HP 240VAC

Max. Switching Power

336W 2400VA

Max. Switching Voltage

110VDC 380VAC

Max. Switching Current:15A

Contact Resistance or Voltage drop

50m

Item 4.12 of IEC 61810-7

5

Operation

Electrical

10

Item 4.30 of IEC 61810-7

al

7

life

Mechanical

10

Item 4.31 of IEC 61810-7

2.Pickup and release voltage are for test purposes only and are not to be used as design criteria.

003-360

3

3.9

25

2.25

0.3

005-360

5

6.5

69

3.75

0.5

006-360

6

7.8

100

4.50

0.6

009-360

9

11.7

225

6.75

0.9

012-360

12

15.6

400

9.00

1.2

018-360

18

23.4

900

13.5

1.8

024-360

24

31.2

1600

18.0

2.4

003-450

3

3.9

20

2.25

0.3

005-450

5

6.5

56

3.75

0.5

006-450

6

7.8

80

4.50

0.6

009-450

9

11.7

180

6.75

0.9

012-450

12

15.6

320

9.00

1.2

018-450

18

23.4

720

13.5

1.8

024-450

24

31.2

1280

18.0

2.4

048-610

48

62.4

3800

36.0

4.8

Small size, light weight.

Reliable quality.

PC board mounting.

Suitable for household electrical appliances, automation system, electronic equipment, instrument, meter,

telecommunication facilities and remote control facilities.

0.36

7

4

0.45

7

4

0.61

03001003513

R50142630

E169380

C

US

R

Features

Contact Data

83

Operation condition

Insulation Resistance

500M

min (at 500VDC)

Item 7 of IEC 61810-5

Dielectric Strength

Between contacts

50Hz 1000V

Item 6 of IEC 61810-5

Between contact and coil

50Hz 2500V 4000V(NT72-2)

Item 6 of IEC 61810-5

2

Shock resistance

100m/s

11ms

IEC68-2-27 Test Ea

Vibration resistance

10~55Hz double amplitude 1.5mm

IEC68-2-6 Test Fc

Terminals strength

10N

IEC68-2-21 Test Ua1

Solderability

235

2

3

0.5s

IEC68-2-20 Test Ta method 1

Ambient Temperature

-40~85

Relative Humidity

85% (at 40 )

IEC68-2-3Test Ca

Mass

11g

Safety approvals

Safety approval

UL&CUR

T V

CQC

Reference Data

Dimensions

Mounting (Bottom view)

NOTES 1).Dimensions are in millimeters.

2).Inch equivalents are given for general information only.

Wiring diagram

(Bottom view)

12A/125VAC 28VDC

10A/240VAC 6A/300VAC

1/3HP 120VAC 240VAC

Insulation

B-class F-class

Load

10A/250VAC 28VDC

5A/250VAC

T72

NT72-2

Dimensions

84

NT72(4459)&NT72-2

5- 1.2

U

mm /inch

0.083

0.035

0.020

0.079

0.681max.

0.878max.

0.843max.

0.083

0.650max.

0.079

0.035

0.020

0.047

0.200

0.500

Ningbo Huaguan Electronics Corporation LTD.