NT77

Super light in weight.

High sensitivity.

Switching capacity up to 12A.

PC board mounting.

18.4

15.2

10.2

Ordering Information

NT77 A S 10

DC12V

1

2

3

4

5

E158859

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

Rated

Max.

Dash

numbers

Coil voltage

VDC

Coil

resistance

10%

Pickup

voltage

VDC(max)

(75%of rated

voltage )

Release voltage

VDC(min)

(5% of rated

voltage)

Coil power

consumption

W

Operate

Time

ms

Release

Time

ms

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

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

0.45

8

5

Contact Data

Contact Arrangement

1A

SPSTNO

Contact Material

AgCdO AgSnO

2

Contact Rating (resistive)

10A/277VAC,30VDC; 12A/125VAC

Max. Switching Power

300W 2770VA

Max. Switching Voltage

30VDC 300VAC

Max. Switching Current:12A

Contact Resistance or Voltage drop

50m

Item 3.12 of IEC255-7

5

Operational

Electrical

10

Item 3.30 of IEC255-7

7

life

Mechanical

10

Item 3.31 of IEC255-7

Coil Parameter

E9930952E01

US

R

Features

Operation condition

Insulation Resistance

100M

min (at 500VDC)

Item 7 of IEC255-5

Dielectric Strength

Between contacts

50Hz 1000V

Item 6 of IEC255-5

Between contact and coil

50Hz 2500V

Item 6 of IEC255-5

2

Shock resistance

100m/s

11msIEC68-2-27 Test Ea

Vibration resistance

10~55Hz double amplitude 1.5mm

IEC68-2-6 Test Fc

Terminals strength

5N

IEC68-2-21 Test Ua1

Solderability

235

2

3

0.5s

IEC68-2-20 Test Ta method 1

Ambient Temperature

-40~70

Relative Humidity

85% (at 40

)

IEC68-2-3Test Ca

Mass

7g

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

T V

CQC

Load

12A/125VAC 10A/277VAC 30VDC

12A/250VAC;30VDC

12A/250VAC

NOTES 1).Dimensions are in millimeters.

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

Dimensions

Dimensions

Mounting (Bottom view)

Wiring diagram

(Bottom view)

Reference Data

NT77

18.4max.

2.7

2-1

0.4

15.2max.

2- 0.5

4- 1.3

10.15

0.35

13.7

U

04001010694

mm /inch

0.724max.

0.598max.

0.106

0.039

0.016

0.020

0.051

0.400

0.539

0.014

Ningbo Huaguan Relay Corporation LTD.

NHG RELAYS