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Low Height Power Relay

Low Height Power Relay

You can rest assured to buy Low Height Power Relay from our factory and we will offer you the best after-sale service and timely delivery. We always feel that all success of our company is directly related to the quality of the products we offer.

● 12A switching capability
● Super light in weight
● Low height:10.2mm
● RoHS Compliant


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Product Description

As the professional manufacture, we would like to provide you Low Height Power Relay. We do everything we can to add value to our customers' experiences, allowing us to be their best option.


Super light in weight.

High sensitivity.

Switching capacity up to 12A.

PC board mounting.

Ordering Information

1 Part number NT77

2 Contact arrangement A:1A

3 Enclosure S: Wash tight Z: Flux proof

4 Contact current 10:10A 12:12A

5 Coil rated voltage(V) DC:3,5,6,9,12,18,24

Contact Data

Contact Arrangement 1A(SPSTNO)
Contact Material AgSnO2
Contact Rating(Resistive)

10A/277VAC,30VDC; 12A/125VAC,250VAC,30VDC

Max. Switching Power 300W 3000VA
Max. Switching Voltage 30VDC 277VAC Max. Switching Current: 12A
Contact Resistance ≤100mΩ Item4.12 of IEC61810-7
Operational Life Electrical 1×105
Item 4.30 of IEC 61810 -7
Mechanical 1×107 Item 4.31 of IEC 61810-7


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

Coil Parameter

Dash numbers Coil voltage VDC Coil resistance
Pick-up voltage VDC(max) (75%of rated voltage ) Drop-out voltage VDC(min) (5% of rated voltage) Coil power W Operate time ms Release time ms
Rated Max.
003-450 3 3.3 20 2.25 0.15 0.45 ≤8 ≤5
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


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.


Insulation Resistance 100MΩ min (at 500VDC) Item 4.11 of IEC 61810-7
Dielectric Strength

Between Contacts

50Hz 1000V

Item 4.9   of IEC 61810-7
Between Contact and Coil 50Hz 2500V Item 4.9   of IEC 61810-7
Shock Resistance 98m/s²                            11ms Item 4.26 of IEC 61810-7
Vibration Resistance 10Hz~55Hz Double amplitude 1.5mm Item 4.28 of IEC 61810-7
Terminals Strength 5N Item 4.24 of IEC 61810-7
Ambient Temperature -40℃~85℃
Relative Humidity 5% to 85% Item 4.16 of IEC 61810-7
Mass 7g Item 4.7 of IEC 61810-7

Safety Approvals

Safety approval UL&CUR TüV CQC
Load 12A/125VAC; 10A/277VAC,30VDC
12A/250VAC,30VDC 12A/250VAC



In case of no tolerance shown in outline dimension: outline dimension ≤1mm tolerance should be ±0.2mm outline dimension >1mm and ≤5mm, tolerance should be ±0.3mm; outline dimension >5mm, tolerance should be ±0.4mm.

Reference Data

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