The role of place arrester

Arrester Type

Arrester rated KV (rms)

System nominal voltage KV

Continuous nominal voltage KV (RMS)

DC (U1mA) not less than the reference voltage KV

The largest residual voltage KV (peak)

2000μs square wave current A (peak)

4/μs impact of current A (peak)

0.75 DC reference voltage maximum leakage current

Under the steep wave impulse current

Lightning impulse current,

Operating under the impact of current

Station (Z)

Y10W-200/520

200

220

156

290

582

520

442

600

100

50

Y10W-204/532

220

220

159

296

594

532

452

Y10W-216/562

220

220

168.5

314

630

562

478