The HY5WR-24/48 is a gapless metal-oxide surge arrester specifically designed for protection of shunt capacitor banks in 24kV power systems. Featuring zinc oxide varistors enclosed in a silicone rubber housing, it provides reliable protection against switching overvoltages and lightning surges during capacitor bank operations.
Model Designation
HY: Composite housing zinc oxide arrester
5: Nominal discharge current 5kA
W: Gapless type
R: Capacitor bank protection (D: DC application (HVDC and traction systems))
24: Rated voltage 24kV
48: Maximum residual voltage 48kV
Gapless design for fast response
Silicone rubber housing with UV resistance
High energy absorption for switching surges
Compact and lightweight construction
Reliable moisture sealing
| Model | HY5WR-24/48 | |
|---|---|---|
| Rated voltage | 24kV | ![]() |
| DC reference voltage | ≥33.6kV | |
| Lightning residual voltage | ≤48kV | |
| 2ms square wave withstand | 400A | |
| Standards | GB11032, IEC 60099-4 | |
Applications
Shunt capacitor bank protection
Switching surge suppression
Reactive power compensation equipment
24kV power distribution systems
Power factor correction installations