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Metal Oxide 54KV 5KA Class 2 Surge Polymer Housing Lightning Arrester for High Voltage Circuit
Application:
The zinc oxide arrester is mainly used to protect distribution transformer,cable
connector and electrical equipment from being damaged by lightning impulse
voltage and operating over-voltage.
Technical Specification:
1. The composite-sheath metal-oxide arrester applied in AC system.
1.1 Typical product parameters of composite-sheath metal-oxide arrester used under low-voltage.
( standard: IEC60099-4, GB11032-2000, JB/T8952-1999)
| Type | YH5W5-54/136 |
| Rated voltage---------kV | 54 |
| MCOV ----------------kV | 43.2 |
| Nominal Current-------kA | 5 |
| Residual voltage of steep impulse----at 5kA(kV) | 148 |
| 8/20µS Residual voltage of lightning impulse current kV(Peak value)-----at 5kA(kV) | 136 |
| Residual voltage of switching impulse current kV (peak value)----at 1kA (kV) | / |
| 1mA D.C reference voltage (kV) | 77 |
| Line discharge level | 1 |
| 2mS long duration impulse current A | 400 |
| 4/10µS High current impulse kA | 100 |
| Lightning impulse withstand kV | 250 |
| Power frequency voltage withstand(dry/wet)kV | 140 |
| 0.1S TOV--------------kV | 64.8 |
| 1S TOV----------------kV | 62.1 |
| 10S TOV---------------kV | 59.4 |
| 1200S TOV-------------kV | 54 |
| Creepage distance ----mm | 2070 |
| Material employed in series non-linear resistor | Zinc Oxide |
Ambient condition:
1. Ambient temperature: -40 °c ~40 °c;
2. Sun-rays radiation: the influences of max sun-rays radiation (note: 1.1kW/M2) have been taken into consideration through quality pre-heated method in type test. If existing any other heat sources around arrester, parties shall negotiate to decide whether to use or not;
3. Altitude: not over 1000m;
4. Power supply frequency: 48Hz~62Hz;
5. The P.F. voltage which bring pressure to bear between arrester terminals shall not exceed continuous operation voltage of arrester;
6. Earthquake intensity: not over 7 degree;
7. Wind speed: not over 35m/s.