The **Gigavac G81AB57** is a premium Single Pole Single Throw (SPST) normally open high-voltage relay, specifically engineered for precision and longevity in demanding switching environments. A standout feature of this model is its **Tungsten contacts**, which significantly enhance performance during "hot load" switching by resisting contact erosion. With an ultra-fast operate and release time of just 1ms and a remarkable mechanical life of 100 million cycles, the G81AB57 provides unparalleled reliability. It is designed to perform seamlessly across DC, 60Hz AC, and high-frequency applications, making it a versatile component for sophisticated high-voltage power systems.
| Contact Arrangement | Single Pole Single Throw (SPST-NO) |
|---|---|
| Voltage Rating (Peak) | 3kV Peak (DC or 60Hz) |
| Max Carry Current | 5 Amps (DC or 60Hz) |
| Max. Contact Resistance | 0.10 Ohms |
| Max Operate Time | 1 ms |
| Max Release Time | 1 ms |
| Mechanical Life | 100,000,000 Cycles |
| Contact Material | Tungsten (for Hot Switching) |
Download the official Gigavac G81AB57 datasheet for comprehensive technical documentation, including mounting options, coil voltage variants, and high-frequency performance charts.