Surge Arrester Parameters
| Usage Place | Arrester Model | Rated Voltage (kV) Eff. | System Nominal Voltage (kV) RMS | Continuous Operating Voltage (kV) RMS | DC Ref. Voltage (U1mA) kV (≥) | Max Residual Voltage kV (Peak) – Surge Current | Max Residual Voltage kV (Peak) – Lightning Impulse | Max Residual Voltage kV (Peak) – Operating Impulse | 200μs Wave Current A (Peak) | 4/10μs Impulse Current A (Peak) | Max Leakage Current at 0.75 DC Ref. Voltage μA |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Distribution (S) | HY5WS-12.7/50 | 12.7 | 10 | 6.7 | 25 | 57.5 | 50 | 42.5 | 75 | 40 | 50 |
| Distribution (S) | HY5WS-16.5/50 | 16.5 | 10 | 12.7 | 25 | 57.5 | 50 | 42.5 | 75 | 40 | 50 |
| Distribution (S) | HY5WS-17/50 | 17 | 10 | 13.6 | 25 | 57.5 | 50 | 42.5 | 75 | 40 | 50 |
| Distribution (S) | HY5WS-17.5/50 | 17.5 | 10 | 13.6 | 25 | 57.5 | 50 | 42.5 | 75 | 40 | 50 |
Product Information
General
Key source specifications include Protection Degree: IP65.
Features
Waterproof and dust-resistant protection is specified for harsh indoor or outdoor cable-system environments.
Gapless metal-oxide arrester construction is specified for overvoltage protection in distribution systems.
Application
This surge arrester is intended for overvoltage protection of cables, transformers, switchgear, substations, and medium-voltage distribution equipment.
Product Images
Technical Parameters
| Parameter Category | Item | HY(YH)5WS-12.7/50 | HY(YH)5WS-17/50 |
|---|---|---|---|
| Rated Electrical Parameters | Applicable System Voltage (Un) | 10kV | 10kV |
| Arrester Rated Voltage (Ur, RMS) | 12.7kV | 17kV | |
| Continuous Operating Voltage (Uc, RMS) | 6.6kV | 13.6kV | |
| DC 1mA Reference Voltage (Minimum) | 25kV | 25kV | |
| Maximum Residual Voltage under Steep Current Impulse (Peak) | 57.5kV | 57.5kV | |
| Maximum Residual Voltage under Lightning Current Impulse (Peak) | 50kV | 50kV | |
| Maximum Residual Voltage under Switching Current Impulse (Peak) | 42.5kV | 42.5kV | |
| 2000μs | 75A | 75A | |
| 4/10 CurrentWithstand | 65kA | 65kA | |
| 0.75 DCReferenceVoltageat Current | 50μA | 50μA | |
| Source specification | 645mm | 645mm | |
| Structural and Material Parameters | Main Material | Zinc Oxide Resistor Disc(Core) / Silicone Rubber( ) / Tin-Plated Copper(Terminal | Zinc Oxide Resistor Disc(Core) / Silicone Rubber( ) / Tin-Plated Copper(Terminal |
| Protection Degree | IP65 | IP65 | |
| Structural Form | GaplessMetal OxideSurge Arrester | GaplessMetal OxideSurge Arrester | |
| Terminal | M10 | M10 | |
| Overall Dimensions | Φ85mm×255mm | Φ85mm×255mm | |
| Environmental Parameters | Applicable Altitude | ≤2000m(High-Altitude Version Customizable) | ≤2000m(High-Altitude Version Customizable) |
| Ambient Temperature | -40°C to +90°C(Operating Temperature), -40°C to +70°C(Storage Temperature) | -40°C to +90°C(Operating Temperature), -40°C to +70°C(Storage Temperature) | |
| Relative Humidity | ≤100%(Non-Condensing) | ≤100%(Non-Condensing) | |
| Seismic Grade | 8 Class | 8 Class | |
| Applicable Standard | GB 11032 GaplessMetal OxideSurge Arrester / DL/T 804 SystemMetal OxideSurge ArresterOperation | GB 11032 GaplessMetal OxideSurge Arrester / DL/T 804 SystemMetal OxideSurge ArresterOperation |
Model Code Description
| Model Code | Meaning |
|---|---|
| HY(YH) | Composite HousingMetal OxideSurge Arrester |
| 5 | NominalDischargeCurrentClass(5kA) |
| W | Gapless |
| S | Source specification |
| 10kV | ApplicableSystemVoltageClass, 10kV System |
| 12.7/50 / 17/50 | Surge ArresterRatedVoltage / LightningImpulseResidual Voltage(Peak) |
Order information
Before ordering, confirm protection degree, and the required quantity according to the project drawings and source specification.