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16A High Sensitivity Latching Relay

16A High Sensitivity Latching Relay

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● 20A switching capability
● Product in accordance to IEC60335-1 available
● Product in accordance to EN60669-1 available
● Low height
● RoHS Compliant


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Product Description

You can rest assured to buy customized 16A High Sensitivity Latching Relay from us. We look forward to cooperating with you, if you want to know more, you can consult us now, we will reply to you in time!


Latching relay.

Small size, light weight and low coil power consumption.

Dielectric strength (between contact and coil): 5kV.

The parts are EN60669-1 standard compliance.

The parts with IEC 60335-1 standard is available.

Contact switching capacity is 20A.

PC board mounting.

Ordering Information

1 Part number: NT75L

2 Contact arrangement: A:1A; C:1C

3 Enclosure: S: Wash tight Z: Flux proof

4 Coil: NIL:Single coil D: double coils

5 Polarity Nil: Standard R: Reverse polarity

6 Contact plating: NIL:Standard G:Gold plated

7 Resist heat class F:155℃

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

Contact Data

Contact Arrangement 1A(SPSTNO) 1C(SPDT(B-M))
Contact Material AgSnO2
Contact Rating (Resistive) 16A/250VAC
Motor Load:1HP 240VAC
Incandescent Lamp 1500W 277VAC
TV-5 120VAC(1A)
Max. Switching Power 4000VA
Max. Switching Voltage 440VAC Max. Switching Current :20A
Contact Resistance ≤50mΩ Item 4.12 of IEC 61810-7
Operation Electrical 5×104 (NO:16A/250VAC 85V℃) Item 4.30 of IEC 61810-7
Life Mechanical 2×106 Item 4.31 of IEC 61810-7

Coil Parameter

Dash numbers Rated voltage VDC Coil resistance
Set/Reset voltage VDC
(70% of rated voltage )
Pulse duration ms Coil power W Set time ms Reset time ms
1 Coil
003-400 3 22.5 2.1 ≥30 0.4 ≤10 ≤10
005-400 5 62.5 3.5
006-400 6 90 4.2
009-400 9 202.5 6.3
012-400 12 360 8.4
024-400 24 1440 16.8
2 Coils
003-600 3 2×15 2.1 ≥30 2×0.6 ≤10 ≤10
005-600 5 2×42 3.5
006-600 6 2×60 4.2
009-600 9 2×135 6.3
012-600 12 2×240 8.4
024-600 24 2×960 16.8


1. When latching relays are installed in equipment, the latch and reset coil should not be powered simultaneously. Coil should not be pulsed with less than the nominal coil voltage and pulse width should be a minimum of three times the specified operate time of the relay. If these conditions are not followed, it is possible for the relay to in be the magnetically neutral position .

2. Switching voltage is for test purpose only and are no to be used as design criteria.


Insulation Resistance 1000MΩ min (at 500VDC) Item 4.11 of IEC 61810-7
Dielectric Strength

Between Contacts 50Hz 1000VAC Item 4.9   of IEC 61810-7
Between Contact and Coil 50Hz 5000VAC Item 4.9   of IEC 61810-7
Creepage Distance 8.4mm  
Shock Resistance Functional: 98m/s²                             11ms Item 4.26 of IEC 61810-7
Destructive: 980m/s²                             11ms
Vibration Resistance 10Hz~150Hz 10g/5g Item 4.28 of IEC 61810-7
Terminals Strength 10N Item 4.24 of IEC 61810-7
Ambient Temperature -40℃~85℃
Relative Humidity 5% to 85% Item 4.16 of IEC 61810-7
Mass 13g Item 4.7 of IEC 61810-7

Safety Approvals

Safety approval UL&CUR CQC
Load 16A/250VAC 16A/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.

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