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Miniature Power Latching Relay
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Miniature Power Latching Relay

Ningbo Huaguan is a well-know relay manufacturer, the latching relays supported are ideal for electric meter, temperature controller, lighting.etc. The relays are available with monostable and bistable structure. As the professional China Miniature Power Latching Relay factory, we can guarantee the stable performance relay and competitive latching relay quotation.

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


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Product Description

As the professional manufacturer, we would like to provide you Miniature Power Latching Relay. And we will offer you the best after-sale service and timely delivery. Sincerely look forward to cooperating with you in the near future.

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:5,6,9,12,24

Contact Data


1.It only applies to the room temperature. 
2.For gold plated version, the min. Switching current and min. switching voltage is 50mA/6VDC; for non gold plated version (standard type),the min. switching current and min. switching voltage is 100mA/6VDC.

Coil Parameter


1.When latching relays are installed in equipment, the latch and reset coil should not 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 IEC61810-7

Dielectric Strength

Between Contacts

Between Contact and Coil

50Hz 1000V

50Hz 5000V

Item 4.9 of IEC 61810-7

Item 4.9 of IEC 61810-7

Creepage Distance



Shock Resistance

Functional: 98m/s²  11ms

Item 4.26 of IEC 61810-7

Destructive: 980m/s²  11ms

Item 4.26 of IEC 61810-7

Vibration Resistance

10Hz〜150Hz 10g/5g

Item 4.28 of IEC 61810-7

Terminals Strength


Item 4.24 of IEC 61810-7

Ambient Temperature



Relative Humidity

5% to 85%

Item 4.16 of IEC 61810-7



Item 4.7 of IEC 61810-7


Safety Approvals


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