Ningbo Forward Relay Corp., Ltd.
Ningbo Forward Relay Corp., Ltd.
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Miniature High Power Relay With 50A Rating
  • Miniature High Power Relay With 50A RatingMiniature High Power Relay With 50A Rating

Miniature High Power Relay With 50A Rating

Model:NT99

You can rest assured to buy Miniature High Power Relay With 50A Rating from our factory and we will offer you the best after-sale service and timely delivery.The 50A rated miniature high power relay is a specialized electromechanical switching device designed to handle high current loads in a compact form factor. Typically used in industrial and automotive applications.

● TV-8
● Compatct size
● 50A switching capability
● Small size of 15.7mm height
● 4kV dielectric strength between the coil and contact
● RoHS Compliant

As the professional manufacture, we would like to provide you Miniature High Power Relay With 50A Rating. And we will offer you the best after-sale service and timely delivery. This relay is capable of handling a continuous current of up to 50 amperes. This high current rating makes it suitable for applications where substantial electrical power needs to be switched.

As the professional manufacture, we would like to provide you Ultra Compact Size Low Signal 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.

Features

50A switching capability.

Max. switching power can achieve 13850VA.

Size decreased of 1/3 compared with the same pin relay. 4kV dielectric strength between the coil and contact.

New energy relay.

Operated in machine tool electric appliance, electric equipment, air conditioner and various household appliances.


Ordering Information

1. Part number NT99

2. Common pin and N.O pin width: Nil:stand; W:3.3mm

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

4. Enclosure S: Wash tight E: Flux proof

5. Contact material: S:AgSnO2

6. Coil power: 0.9:0.9W; 1.2:1.2W

7. Coil rated voltage(V): DC:5,6,9,12,24,48


Contact Data

Contact Arrangement 1A(SPSTNO)       1B(SPSTNC)           1C(SPDT(B-M))
Contact Material AgSnO2
Contact Rating (Resistive) 0.9W 1.2W
NO:30A,40A/277VAC,30VDC
NC:20A,30A/277VAC,30VDC
NO:50A/277VAC
NC:35A/277VAC
TV-8 5A/280VAC(Ballast)
Motor load:NO:2HP 250VAC
NC:1½HP 250VAC
Max. Switching Power 1200W 13850VA
Max. Switching Voltage 30VDC 277VAC Max. Switching Current:50A
Contact Resistance ≤ 30mΩ Item 4.12 of IEC 61810-7
Operation Life Electrical NO:50A/277VAC    40℃ 1×104
NC:35A/277VAC    40℃ 1×104
NO:40A/277VAC    40℃ 3×104
NC:30A/277VAC    40℃ 3×104
HP
NO: 2HP 250VAC 3×104
NC: 1½HP 250VAC 3×104
TV-8 250VAC 2.5×104
Mechanical 1×107 Item 4.31 of IEC 61810-7

Note:Remove vent nib after soldering and cleaning.


Coil Parameter

Dash numbers Coil voltage VDC Coil resistance
Ω ± 10%
Pick-up voltage VDC(max) (75%of rated voltage ) Drop-out voltage VDC(min) (10% of rated voltage) Coil power W Operate time ms Release time ms
Rated Max.
005-900 5 6.5 28 3.75 0.5 0.9 ≤15 ≤10
006-900 6 7.8 40 4.50 0.6
009-900 9 11.7 90 6.75 0.9
012-900 12 15.6 160 9.00 1.2
024-900 24 31.2 640 18.00 2.4
048-900 48 62.4 2560 36.00 4.8
005-1200 5 6.5 20.8 3.75 0.5 1.2
006-1200 6 7.8 30 4.50 0.6
009-1200 9 11.7 67.5 6.75 0.9
012-1200 12 15.6 120 9.00 1.2
024-1200 24 31.2 480 18.00 2.4
048-1200 48 62.4 1920 36.00 4.8

CAUTION:

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.


Safety Approvals

Safety approval UL&CUR TüV CQC
Load NO:50A/277VAC
NC:35A/277VAC
NO:40A/277VAC
NC:30A/277VAC
HP
NO: 2HP 250VAC
NC: 1½HP 250VAC
TV-8 250VAC
NO:50A/277VAC
NC:35A/277VAC
NO:40A/277VAC
NC:30A/277VAC
NO:50A/277VAC
NC:35A/277VAC
NO:40A/277VAC
NC:30A/277VAC


Characteristics

Insulation Resistance 1000MΩ min (at 500VDC) Item 4.11 of IEC 61810-7
Dielectric Strength    
Between Contacts 50Hz 1500V Item 4.9 of IEC 61810-7
Between Contact and Coil 50Hz 4000V Item 4.9 of IEC 61810-7
Shock Resistance Functional: 98m/s2 11ms;
Destructive:980 m/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
Temperature Range -40℃~85℃
Relative Humidity 5% to 85% Item 4.16 of IEC 61810-7
Mass 21g Item 4.7 of IEC 61810-7


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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