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Miniature High Power Latching Relay
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Miniature High Power Latching Relay

You are welcomed to come to our factory to buy the latest selling, low price, and high-quality Miniature High Power Latching Relay. We look forward to cooperating with you.Huaguan continually strives to offer competitive pricing and on-time delivery while maintaining stringent standards of quality.

◉ Energy Saving
◉ 50A switching capability
◉ Environmental friendly product
◉ Single coil and dual coil available
◉ RoHS Compliant

Model:NT90L 50A

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Product Description

As the professional manufacturer, we would like to provide you Miniature High 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.

Single and double coils magnet latching relay available

Switching capacity up to 50A.

Energy saving and enviromental friendly product.

Ordering Information

1 Part number:NT90L

2 Load:50A/277VAC (Resistive load)

3000W 240VAC (Incandescent Lamp)

16A/280VAC (Electronic ballast)

5HP 250VAC (Motor load)

3 Contact arrangement:A:1A; B:1B; C:1C

4 Enclosure:S: Wash tight; E: Flux proof 
5 Coil rated voltage(V):5,12,24,48
6 Coil power:1.5:1.5W

7 Coil:NIL:Single coil; D: Double coils

Contact Data

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.

Safety Approvals


Insulation Resistance

1000MΩ min (at 500VDC)

Item 4.11 of IEC61810-7

Dielectric Strength

Between Contacts

Between Contact and Coil

50Hz 1500V 1min

50Hz 2500V 4000V (Without Pin 6)1 min

Item 4.9 of IEC 61810-7

Item 4.9 of IEC 61810-7

Shock Resistance

196m/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


Item 4.24 of IEC 61810-7

Ambient Temperature



Relative Humidity

5% to 85%

Item 4.16 of IEC 61810-7


27g (Unenclosed) 31g

Item 4.7 of IEC 61810-7



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