50A Miniature High Power Relay For Quick-connect and PCB Terminals
● 50A switching capability● Low coil power consumption
● Heavy contact load
● Plastic sealed and flux proofed types available
● Strong anti-shock, anti-vibration and high reliability
● RoHS Compliant
Model:NT90T 50A
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Product Description
Features
50A contact switching capability.
Available for DC Coil 1.2W and 1.5W.
2.7VA available for AC Coil.
Suitable for automobile, machine, electronic equipment, air conditioner and household appliances applications
Ordering Information
1 Part number NT90T
2 Load 50:50A
3 Contact arrangement A:1A C:1C
4 Enclosure S: Wash tight E: Flux proof
5 Coil rated voltage(V) DC:5,6,9,12,15,18,24,48; AC:24,110,220,240,277
6 Contact material S: AgSnO2
7 Resist heat class F: 155
8 Coil power .9:0.9W Nil:1.5W,2.7VA
Contact Data
| Contact Arrangement | 1A(SPSTBNO) 1C(SPDT(B-M)) | ||
| Contact Material | AgSnO2 | ||
| Contact Rating(Resistive) |
NO:50A/240VAC NC:35A/240VAC Motor Load 2HP 250VAC TV-8 |
||
| Max. Switching Power | 12000VA | ||
| Max. Switching Voltage | 280VAC | Max. Switching Current:50A | |
| Contact Resistance | ≤30mΩ | Item 4.12 of IEC 61810-7 | |
|
Operation Life |
Electrical |
3×104(50A/277VAC,Resistive load,40℃,1s on 9s off) 6×103(50A/277VAC,Resistive load,85℃,1s on 9s off) |
Item 4.30 of IEC 61810-7 |
| Mechanical | 1×107 | Item 4.31 of IEC 61810-7 | |
Coil Parameter
| DC 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 | ||||
| 015-900 | 15 | 19.5 | 250 | 10.25 | 1.5 | ||||
| 018-900 | 18 | 23.4 | 360 | 13.50 | 1.8 | ||||
| 024-900 | 24 | 31.2 | 640 | 18.00 | 2.4 | ||||
| 048-900 | 48 | 62.4 | 2560 | 36.00 | 4.8 | ||||
| 005-1500 | 5 | 6.5 | 16.7 | 3.75 | 0.5 | 1.5 | ≤15 | ≤10 | |
| 006-1500 | 6 | 7.8 | 24 | 4.50 | 0.6 | ||||
| 009-1500 | 9 | 11.7 | 54 | 6.75 | 0.9 | ||||
| 012-1500 | 12 | 15.6 | 96 | 9.00 | 1.2 | ||||
| 015-1500 | 15 | 19.5 | 150 | 10.25 | 1.5 | ||||
| 018-1500 | 18 | 23.4 | 216 | 13.50 | 1.8 | ||||
| 024-1500 | 24 | 31.2 | 384 | 18.00 | 2.4 | ||||
| 048-1500 | 48 | 62.4 | 1536 | 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 purpose only and are not to be used as design criteria.
Coil Parameter
| AC Coil Parameter | |||||||||
| Dash numbers | Coil voltage VDC | Rated current mA |
Coil resistance Ω±10% |
Pick-up voltage V(max) (75%of rated voltage) | Drop-out voltage V(min) (10%of rated voltage) | Coil power VA | Operate time ms | Release time ms | |
| Rated | Max | ||||||||
| 024AC-2700 | 24 | 28.8 | 112.5 | 96 | 18 | 7.2 | 2.7VA | ___ | ___ |
|
110AC-2700 |
120 |
132 |
22.5 |
2320 |
90 |
36 | |||
| 220AC-2700 | 220 | 264 | 12.3 | 9500 | 165 | 66 | |||
| 240AC-2700 | 240 | 288 | 11.3 | 11600 | 180 | 72 | |||
| 277AC-2700 | 277 | 332 | 9.7 | 15600 | 208 | 83 | |||
Characteristics
| Insulation Resistance | 100MΩ 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 2500V | Item 4.9 of IEC 61810-7 |
| Shock Resistance | Functional: 98m/s² 11ms | tem 4.26 of IEC 61810-7 |
| Destructive: 980m/s² 11ms | tem 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 | -55℃~85℃ | |
| Relative Humidity | 5% to 85% | Item 4.16 of IEC 61810-7 |
| Mass | 35g | Item 4.7 of IEC 61810-7 |
Safety Approvals
| Safety approval | UL&CUR | TV | CQC |
| Load |
NO: 50A/240VAC,277VAC 85℃ NC: 35A/240VAC,277VAC 40℃ |
NO:50A/240VAC 40℃ NC:35A/240VAC 40℃ |
NO:50A/240VAC 40℃ NC:35A/240VAC 40℃ |
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.
