Extra-high Voltage Outdoor Power Station Surge Protection Device
Description:
Porcelain Surge Arrester
Main features: It adopts double sealing structure, the core encapsulates by molded silicone rubber which completely solves the sealing problem of porcelain housed products.
It has a two-way pressure release structure.
Its core component ZnO varistor has good pressure ratio, consistency, large flow capacity and high reliability.
E creepage distance of porcelain housed products is wide which is suitable for IV level heavy pollution areas.
Specifications:
Rated voltage: 444KV
Nominal discharge current: 20KA
Type | Nominal System Voltage | Rated Voltage | Continuous Operating Voltage | MRV under 1/5 μ s Steeo Discharge Current | MRV under 8/20 μ s Lightning Discharge Current | MRV under 30/60 μ s Operating Discharge Current | Minmum Reference Voltage under 1 mA DC | 4/10 μ s High Current Impulse Twice (KA) | 2mS SW through-flow capacity A/18 | Line Discharge Class | 10KA | 20KA | 10KA | 20KA | 0.5KA | 2KA | Y10W5-420/960 | 500 | 420 | 318 | 1075 | | 960 | | 852 | | 565 | 100 | 1500 | 4 | Y20W5-420/1046 | 500 | 420 | 318 | | 1070 | | 1046 | | 858 | 565 | 100 | 2000 | 5 | Y10W5-444/1015 | 500 | 444 | 324 | 1137 | | 1015 | | 900 | | 597 | 100 | 1500 | 4 | Y20W5-444/1106 | 500 | 444 | 324 | | 1238 | | 1106 | | 907 | 597 | 100 | 2000 | 5 | Y10W5-468/1070 | 500 | 468 | 330 | 1198 | | 1070 | | 950 | | 630 | 100 | 1500 | 4 | Y20W5-468/1166 | 500 | 468 | 330 | | 1306 | | 1166 | | 956 | 630 | 100 | 2000 | 5 | |
