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50A Latching Relay For Quick-connect and PCB Terminals

50A Latching Relay For Quick-connect and PCB Terminals

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● 50A switching capability
● Single coil and dual coil available
● Energy Saving
● Environmental friendly product

Model:NT91L

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Product Description

The following is the introduction of high quality 50A Latching Relay For Quick-connect and PCB Terminals, hoping to help you better understand 50A Latching Relay For Quick-connect and PCB Terminals. Welcome new and old customers to continue to cooperate with us to create a better future!

Features

Single and double coils magnet latching relay available.

Switching capacity up to 40A.

Energy saving and enviromental friendly product.


Ordering Information

1 Part number NT91L

2 Load 30A,40A/277VAC Resistive load
3000W 240VAC Incandescent Lamp
5A/280VAC Electronic ballast
2HP 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 0.9:0.9W

7 Coil NIL:Single coil; D: Double coils

8 High H:Standard L:Low profile type


Contact Data

Contact Arrangement 1A(SPSTNO) 1B(SPSTNC) 1C(SPDT(B-M))
Contact Material AgSnO2
Contact Rating (Resistive) 30A/277VAC
40A/277VAC
Incandescent Lamp :3000W 240VAC
Electronic Ballast:5A/280VAC
Motor Load:2HP 250VAC
Max. Switching Power 11000VA
Max. Switching Voltage 440VAC Max. Switching Current :20A
Contact Resistance ≤20mΩ Item 4.12 of IEC 61810-7
Operation Electrical 5×104 Item 4.30 of IEC 61810-7
Life Mechanical 1×106 Item 4.31 of IEC 61810-7


Coil Parameter

1 Coil
Dash numbers Rated voltage VDC Coil resistanceΩ±10% Set/Reset voltage VDC
(80%of rated voltage)
Operating voltage range VDC Plus duration ms Coil power W Set time ms Reset time ms
005-900 5 28 4.0 5~6 ≥50 0.9 ≤15 ≤15
012-900 12 160 9.6 12~14.4
024-900 24 640 19.2 24~28.8
048-900 48 2560 38.4 48~57.6
2 Coils
Dash numbers Rated voltage VDC

Coil resistance

Ω±10%

Set/Reset voltage VDC
( 80%of rated voltage)
Operating voltage range VDC Plus duration ms Coil power W Operate time ms Reset time ms
005-1800 5 2×14 4.0 5~6 ≥50 2×1.8 ≤15 ≤15
012-1800 12 2×80 9.6 12~14.4
024-1800 24 2×320 19.2 24~28.8
048-1800 48 2×1280 38.4 48~57.6

CAUTION:

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.


Characteristics

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

Between Contacts 50Hz 1500VAC Item 4.9   of IEC 61810-7
Between Contact and Coil 50Hz 2500V 4000V(Without Pin 6) 1min Item 4.9   of IEC 61810-7
Creepage Distance 8.4mm  
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 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 31g Low profile type 35g Item 4.7 of IEC 61810-7


Safety Approvals

Safety approval UL&CUR CQC
Load 30A 40A/277VAC 30A 40A/277VAC


Dimensions(mm)

CAUTION

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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