| Muhimmiya | ROCKWILL | 
| Model NO. | Porcelain Housed Surge Arresters Aayi Porcelain Housed Surge Arresters | 
| Rated Voltage | 72.5kV | 
| Seri kọdẹ | 4 | 
| Siri | HM3/4 | 
A cikin harshe, tushen surge arresters na gine-gine suka zama standard a matsayin 70 shekara. Familiya na surge arresters MVN, MH3 da MH4 sun ci gine-gine wannan al'adu mai karfi, kuma ana amfani da su wajen system voltages daga 2.4 kV zuwa 500 kV (2.52 kV max zuwa 550 kV max). Suke ba da karfin mekaniki mai yawa mafi yawa da polymer housed station class surge arresters.
Duk da haka, familiya na MVN, MH3 da MH4 (zuwa 353 kV MCOV) suna tabbatar da High Seismic Performance kamar yadda aka bayar a IEEE Standard IEEE 693-2018.
Construction:
    Porcelain housing don samun karfin mekaniki mai yawa
    Single column of MOV discs and aluminum spacers (as required) centrally located within housing
    Disc column held under high spring compression between ductile iron end fittings affixed to housing
    Directional pressure relief system built integrated into end fittings
At-a-Glance:
    Operate at altitudes up to 12,000 feet/3,600 meters
    Designed to withstand winds up to 120 mph
    High cantilever strength for windstorms or earthquakes
Technology parameters





