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The YH10W-15 Surge Arresters with Polymer Housing are designed to provide reliable overvoltage and lightning protection for 15kV power distribution systems, including overhead lines, substations, transformers, and switchgear. Featuring a polymer (silicone rubber) housing, the surge arresters deliver excellent hydrophobicity, UV resistance, and mechanical strength, ensuring stable protection in harsh outdoor environments. The internal metal oxide varistor (MOV) core offers fast response and low residual voltage, preventing equipment damage caused by switching surges or lightning strikes. The YH10W-15 Surge Arresters with Polymer Housed ensure stable system operation, reduce maintenance costs, and extend the service life of critical power infrastructure.
• Fast MOV response with low residual voltage
• Lightweight polymer body, corrosion-resistant
• High mechanical strength and outdoor weather resistance
• Maintenance-free design with anti-UV and hydrophobic performance
• Excellent pollution resistance for coastal, industrial, and humid environments
Overhead Power Distribution Lines：Installed on poles to prevent lightning surge damage and ensure stable power transmission.
Transformers & Substations：Connected at incoming terminals to protect high-value equipment from overvoltage.
Switchgear and Ring Main Units：Prevents switching surges during system operations and automatic reclosing.
How to Install: Mount the arrester vertically with grounding wire securely linked to the earth system; maintain safe insulation spacing.
| Model | Rated voltage (kVr.m.s) | Continuous operating Voltage(KVr.m.s） | Lightening impulse residual voltage under nominal discharge current (<=KVp) | Line discharge class | Creepage distance(mm) | 2ms square wave impulse current withstands(A) | 4/10μhigh current impulse Withstands(KAp) |
| Y10W-15 | 15 | 12.75 | 45 | 1 | 450 | 250 | 100 |
• Manufactured to IEC, IEEE, and national power standards
• 100% routine testing including leakage, steep current, and lightning impulse tests
• Long-term anti-aging tested under high humidity, salt fog, and UV exposure
• Traceable serial coding and factory performance reports
Q1: Is the YH10W-15 suitable for outdoor high-pollution environments?
A1: Yes, the polymer housing provides excellent anti-pollution and weather resistance.
Q2: Does it require yearly maintenance?
A2: No, it is maintenance-free. Only periodic inspection is recommended.
Q3: Can it be used with both new and existing power systems?
A3: Yes, it is compatible with standard 15kV grid designs.
