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Main Guaranteed Technical Particulars of MOA which have passed KEMA type test | ||||||||
according to IEC60099-4 and ANSI Standard | ||||||||
S.N. | CHARACTERISTICS | VALUE | ||||||
1 | System Nominal Voltage, KV | 220 | ||||||
2 | Type code of MOA | Y10W-198/495 | ||||||
3 | System Highest Voltage, KV | 245 | ||||||
4 | Rated Voltage of Arresters (Ur),KV | 198 | ||||||
5 | Continuous operating voltage(Uc),KV | 156 | ||||||
6 | Nominal discharge current(Ln),KA | 10 | ||||||
7 | High Current 4/10 Impulse withstand, KA | 100 | ||||||
8 | Long duration current impulse withstand upper value 2000Ms,A | 1000 | ||||||
9 | Steep current 1/20 impulse residual voltage at 10KA impulse current, KV | 580 | ||||||
10 | Lightning current 8/20 Impulse Residual Voltage at 500/1000A impulse current,KV | |||||||
5KA | 450 | |||||||
10KA | 485 | |||||||
20KA | 525 | |||||||
11 | Switching Current 30/60 Impulse Residual Voltage at 500/1000A | 455 | ||||||
Impulse Current as applicable,KV | ||||||||
12 | Line Discharge Class | III | ||||||
13 | Pressure Relief class&corresponding fault current,KA | A 40 | ||||||
14 | Arrester Insulation Impulse Withstand Voltage,KV | 1050 | ||||||
15 | Arrester Insulation wet power frequency withstand voltage,KV | 460 | ||||||
16 | Max. External RIV at 1MHZ measured at 1.05 times system highest voltage,V | <=500 | ||||||
17 | Max.Partial discharge in the arrester at 1.05 time continuous | <=10 | ||||||
operating voltage,PC | ||||||||
18 | Creepage distance,MM | 7000 | ||||||
NOTE:If arrester with procelain housing, type code should not include"H". | ||||||||
We can produce both in porcelain housing and polymeric housing. |
198KV Porcelain Surge Arrester