Miniature High Power Relay With 50A Rating
● TV-8
● Compatct size
● 50A switching capability
● Small size of 15.7mm height
● 4kV dielectric strength between the coil and contact
● RoHS Compliant
Model:NT99
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Product Description
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 |
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|
TV-8 5A/280VAC(Ballast) Motor load:NO:2HP 250VAC NC:1½HP 250VAC |
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| 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.
