Release

Time

ms

15.7

12.3

14

Small size, light weight.

Low coil consumption.

PC board mounting.

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

telecommunication facilities and remote control facilities.

NT78 C

S 10 DC12V

0.6

1

2

3

4

5

6

Ordering Information

1 Part number NT78

2 Contact arrangement A:1A

B:1B

C:1C

U:1U

3 Enclosure

S: Sealed type NIL: Dust cover

4 Contact rating 5A,10A/14VDC

10A/120VAC 5A/250VAC

5 Coil rated voltage(V)

DC:6,9,12,24

6 Coil power consumption

0.6:0.6W

0.8:0.8W

Contact Data

Contact Arrangement

1A

SPSTNO

1B

SPSTNC

1C

SPDT(B-M)

1U

SPSTNODM

Contact Material

AgCdO AgSnO

AgSnO In O

22

2

3

NO:20A/14VDC 10A/120VAC,5A/250VAC

NC:15A/14VDC,10A/120VAC,5A/250VAC

Motor load : 1/2HP 125VAC

Lamp load : TV-5

Max. Switching Power

280W 1250VA

Max. Switching Voltage

42VDC 380VAC

Max. Switching Current:20A

Contact Resistance or Voltage drop

50m

Item 3.12 of IEC255-7

5

Operation

Electrical

10

Item 3.30 of IEC255-7

al

7

life

Mechanical

10

Item 3.31 of IEC255-7

IU:2

10A/14VDC

Coil Parameter

Dash

numbers

Coil voltage

VDC

Coil

resistance

10%

Pickup

voltage

VDC(max)

(80%of rated

voltage )

Release voltage

VDC(min)

(5% of rated

voltage)

Coil power

consumption

W

Operate

Time

ms

Rated

Max.

006-600

6

6.6

60

4.8

0.30

009-600

9

9.9

135

7.2

0.45

012-600

12

13.2

240

9.6

0.60

024-600

24

26.4

960

19.2

1.20

006-800

6

6.6

45

4.8

0.30

009-800

9

9.9

102

7.2

0.45

012-800

12

13.2

180

9.6

0.60

024-800

24

26.4

720

19.2

1.20

0.6

10

5

0.8

10

5

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

03001003504

E160644

Patent No.: 99206529.1

on Pending

Features

NT78

C

US

R

Operation condition

Insulation Resistance

100M

min (at 500VDC)

Item 7 of IEC255-5

Dielectric Strength

Between contacts

Between contact and coil

50Hz 500V

Item 6 of IEC255-5

50Hz 500V

Item 6 of IEC255-5

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 20 )

IEC68-2-3Test Ca

Mass

6g

Qualification inspection:

Perform the qualification test as specified in the table

of IEC255-19-1 and minimum sample size 24.

Safety approvals

Safety approval

UL&CUR

CQC

Load

NO

20A/14VDC 10A/120VAC

NC

10A/14VDC

1/2HP 125VAC TV-5

5A/250VAC

Dimensions

Wiring diagram (Bottom view)

NOTES 1).Dimensions are in millimeters.

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

Reference Data

NT78

Dimensions

Mounting (Bottom view)

mm /inch

0.055

0.401

0.098

0.043

0.016

0.484max.

0.618max.

0.057

Max.

Max.

Ningbo Huaguan Relay Corporation LTD.

200520013192.6

Contact Rating (resistive)

NHG RELAYS