The HY5W-10/27 is a gapless metal-oxide surge arrester designed for 10kV power systems. Featuring zinc oxide varistors with excellent nonlinear characteristics, it provides reliable protection for electrical equipment against lightning overvoltages and switching surges.
Model Designation
HY: Composite housing zinc oxide arrester
5: Nominal discharge current 5kA
W: Gapless type
10: Rated voltage 10kV
27: Maximum residual voltage 27kV
Gapless design for fast response
Composite housing with UV resistance
Compact and lightweight construction
Reliable moisture sealing
Low residual voltage
| Model | HY5W-10/27 10kV | |
|---|---|---|
| System voltage | 6kV |  |
| Rated voltage | 10kV | |
| DC reference voltage | ≥14.4kV | |
| Lightning residual voltage | ≤27kV | |
| 2ms square wave withstand | 150A | |
| Standards | GB11032, IEC 60099-4 | |
Applications
Low voltage distribution cabinets and switchgear panels
Control cabinets and protection panels
Low voltage incoming lines of substations
Industrial and commercial building power distribution
Telecommunications equipment power supply
Renewable energy systems (solar/wind) low voltage side
Residential power distribution
