A Surge Arrester is a protective device designed to shield electrical equipment from voltage spikes caused by lightning strikes, switching surges, or other transient events. It diverts excessive voltage safely to the ground, protecting the electrical system.
| Feature | Details |
|---|---|
| Voltage Rating | Available in ratings from 3 kV to 800 kV for various applications |
| Discharge Current | 5 kA to 20 kA for medium and high-voltage systems |
| Response Time | Less than 100 nanoseconds for rapid protection |
| Material Type | Metal Oxide Varistor (MOV) or Silicon Carbide (SiC) for enhanced durability |
| Insulation Housing | Porcelain, polymer, or composite housing for outdoor and indoor use |
| Energy Absorption Capacity | Designed to handle high energy surges without degradation |
| Protection Level | Low residual voltage for improved equipment safety |
| Mounting Type | Station class, distribution class, or line arresters for flexible installation |
| Compliance Standards | Meets IEC 60099, IEEE C62.11, and IS standards for surge protection |
| Lightning Arrester | 39kV Heavy Duty, Class-III for For 25kV AC Single & Three Phase System |
| Surge Arrester | LTCA (Secondary surge arester), ETTFP type 1.5kV, 2.5kA for Cattery fed low voltage, Main Line voltage |
| Standard | IEC 60099-4, ANSI IEEE Std C62.11 |
| Type | Gapless, Station Class |
| Rated Voltage | Upto 144kV |
| MCOV | 2.3 to 115 |
| Frequency | 48-62 Hz |
| Creepage Distance | Upto 3625 mm |
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