Miniature Automotive PCB Relay
● 20A switching capability● Fully automated assembly
● Plastic sealed and fluxed proofed types available
● RoHS Compliant
Model:NT78
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Product Description
Features
Small size, light weight.
Low coil consumption.
PC board mounting.
Suitable for household electrical appliances, automation system, electronic equipment, instrument, meter, telecommunication facilities and remote control facilities.
Ordering Information
1 Part number: NT78
2 Contact arrangement: A:1A B:1B C:1C U:1U
3 Enclosure: S: Wash tight NIL:Flux proof
4 Coil power: 0.6:0.6W 0.8:0.8W
5 Coil rated voltage(V): DC:6,9,12,24
Contact Data
| Contact Arrangement | 1A(SPSTNO) 1B(SPSTNC) 1C(SPDT(B-M)) 1U(SPSTNODM) | |||
| Contact Material | AgSnO2 | |||
| Contact Rating (Resistive) | NO:20A/14VDC 10A/120VAC,5A/250VAC NC:15A/14VDC,10A/120VAC,5A/250VAC | IA:30A/14VDC | IU:2× 10A/14VDC | |
| Motor Load : 1/2HP 125VAC | ||||
| TV-5 | ||||
| Max. Switching Power | 420W 1250VA | |||
| Max. Switching Voltage | 30VDC 277VAC | Max. Switching Current: 30A | ||
| Voltage Drop(Initial) | Typ. 50mV(at 10A) | Item 4.12 of IEC 61810-7 | ||
|
Operational Life |
Electrical | 1×105 | Item 4.30 of IEC 61810-7 | |
| Mechanical | 1×107 | Item 4.31 of IEC 61810-7 | ||
CAUTION:
1.For the intermediate current, it only applies to the room temperature.
Coil Parameter
| Dash numbers | Coil voltage VDC | Coil resistance Ω ± 10% | Pick-up voltage VDC(max) (80%of rated voltage ) | Drop-out voltage VDC(min) (5% of rated voltage) | Coil power W | Operate time ms | Release time ms | |
| Rated | Max. | |||||||
| 006-600 | 6 | 6.6 | 60 | 4.8 | 0.30 | 0.6 | ≤10 | ≤5 |
| 009-600 | 9 | 9.9 | 135 | 7.2 | 0.45 | |||
| 012-600 | 12 | 13.2 | 240 | 9.6 | 0.60 | |||
| 024-600 | 24 | 26.4 | 960 | 19.2 | 1.20 | |||
| 006-800 | 6 | 6.6 | 45 | 4.8 | 0.30 | 0.8 | ≤10 | ≤5 |
| 009-800 | 9 | 9.9 | 102 | 7.2 | 0.45 | |||
| 012-800 | 12 | 13.2 | 180 | 9.6 | 0.60 | |||
| 024-800 | 24 | 26.4 | 720 | 19.2 | 1.20 | |||
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.
Characteristics
| Insulation Resistance | 100MΩ min (at 500VDC) | Item 4.11 of IEC 61810-7 |
| Dielectric Strength |
|
|
| Between Contacts | 50Hz 500V | Item 4.9 of IEC 61810-7 |
| Between Contact and Coil | 50Hz 500V | Item 4.9 of IEC 61810-7 |
| Shock Resistance | 98m/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 | 6g | Item 4.7 of IEC 61810-7 |
Safety Approvals
| Safety approval | UL&CUR | TUV |
| Load |
NO: 20A/14VDC 10A/120VAC NC: 10A/14VDC 1/2HP 125VAC TV-5 |
5A/250VAC |
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.
Reference Data
