Surge Arrester Technical Parameters (Distribution System)
| Application | Arrester Model | Rated Voltage of Arrester (kV, RMS) | System Nominal Voltage (kV, RMS) | Continuous Operating Voltage (kV, RMS) | DC Reference Voltage (U1mA) ≥ kV | Lightning Impulse Residual Voltage (kV, Peak) | Switching Impulse Residual Voltage (kV, Peak) | Operating Impulse Residual Voltage (kV, Peak) | 200 μs Square Wave Current (A, Peak) | 4/10 μs Impulse Current (A, Peak) | Max. Leakage Current at 0.75×DC Ref. Voltage (μA) |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Distribution (S) | HY5WS12.7/50L | 12.7 | 10 | 6.6 | 25 | 57.5 | 50.0 | 42.5 | 75 | 40 | 50 |
| Distribution (S) | HY5WS-16.5/50L | 16.5 | 10 | 12.7 | 25 | 57.5 | 50.0 | 42.5 | 75 | 40 | 50 |
| Distribution (S) | HY5WS-17/50L | 17.0 | 10 | 13.6 | 25 | 57.5 | 50.0 | 42.5 | 75 | 40 | 50 |
| Distribution (S) | HY5WS17.5/50L | 17.5 | 10 | 13.6 | 25 | 57.5 | 50.0 | 42.5 | 75 | 40 | 50 |
Additional Product Information
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)5WZ-12.7/45 | HY(YH)5WZ-16.5/45 | HY(YH)5WZ-17/45 |
|---|---|---|---|---|
| Rated Electrical Parameters | Applicable System Voltage (Un) | 10kV | 10kV | 10kV |
| Arrester Rated Voltage (Ur, RMS) | 12.7kV | 16.5kV | 17kV | |
| Continuous Operating Voltage (Uc, RMS) | 6.6kV | 12.7kV | 13.6kV | |
| DC 1mA Reference Voltage (Minimum) | 24kV | 24kV | 24kV | |
| Maximum Residual Voltage under Steep Current Impulse (Peak) | 51.8kV | 51.8kV | 51.8kV | |
| Maximum Residual Voltage under Lightning Current Impulse (Peak) | 45kV | 45kV | 45kV | |
| Maximum Residual Voltage under Switching Current Impulse (Peak) | 38.3kV | 38.3kV | 38.3kV | |
| 2000μs | 150A | 150A | 150A | |
| 4/10 CurrentWithstand | 65kA | 65kA | 65kA | |
| 0.75 DCReferenceVoltageat Current | 50μA | 50μA | 50μA | |
| Source specification | 360mm | 360mm | 360mm | |
| 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 | Zinc Oxide Resistor Disc(Core) / Silicone Rubber( ) / Tin-Plated Copper(Terminal |
| Protection Degree | IP65 | IP65 | IP65 | |
| Structural Form | GaplessMetal OxideSurge Arrester | GaplessMetal OxideSurge Arrester | GaplessMetal OxideSurge Arrester | |
| Terminal | M10 | M10 | M10 | |
| Overall Dimensions | Φ95mm×260mm | Φ95mm×260mm | Φ95mm×260mm | |
| Environmental Parameters | Applicable Altitude | ≤2000m(High-Altitude Version Customizable) | ≤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) | -40°C to +90°C(Operating Temperature), -40°C to +70°C(Storage Temperature) | |
| Relative Humidity | ≤100%(Non-Condensing) | ≤100%(Non-Condensing) | ≤100%(Non-Condensing) | |
| Seismic Grade | 8 Class | 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 | 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 |
| Z | System |
| 10kV | ApplicableSystemVoltageClass, 10kV System |
| 12.7/45 / 16.5/45 / 17/45 | Surge ArresterRatedVoltage / LightningImpulseResidual Voltage(Peak) |
Order information
Before ordering, confirm protection degree, and the required quantity according to the project drawings and source specification.