50A Miniature High Power Relay
● 50A switching capability● Low coil power consumption 0.9W
● High dielectric strength type available
● Plastic sealed and flux proofed types available
● Heavy contact load
● Strong anti-shock, anti-vibration and high reliability
● RoHS Compliant
Model:NT90 50A
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Product Description
Features
50A contact switching capability.
The temperature rise is <80K under 70℃ .
Terminal width 1.8mm and 3.3mm available.
PC board mounting available.
PV power, UPS power, charger, electric car, electric equipment,air conditioner, etc.
Ordering Information
1 Part number: NT90
2 Terminal: R:without Pin 6 Nil:with Pin 6 W:3.3mm
3 Load: 50:50A
4 Contact arrangement: A:1A C:1C
5 Enclosure: S: Wash tight E: Flux proof
6 Coil rated voltage(V): DC:5,6,9,12,15,18,24,48; AC:24,110,220,240,277
7 Contact material: S: AgSnO2
8 Resist heat class: F:155℃
9 Coil Power(W): .9:0.9W NIL:1.5W,2.7VA
Contact Data
| Contact Arrangement | 1A(SPSTNO) 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 IEC61810-7 | |
| Operational 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
| Operational Life |
DC |
AC |
|
0.9W 1.5W |
2.7VA |
Coil Parameter
| DC Coil Parameter | ||||||||
| Dash numbers | Rated voltage VDC |
Coil resistance Ω±10% |
Pick-up voltage V(max) (75% of rated voltage) |
Drop-out voltage V(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 purposes 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 | 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 2500V 4000V (Without Pin 6) * |
Item 4.9 of IEC 61810-7 |
| Shock Resistance | Functional: 98m/s² 11ms | Item 4.26 of IEC 61810-7 |
| Destructive: 980m/s² 11ms | ||
| 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 | 27g | Item 4.7 of IEC 61810-7 |
* Please contact the sales representative if 4000V is required.
Safety Approvals
| Safety approval | UL&CUR | TüV | 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.
