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36KV Silicone Rubber Surge Arrester

This High Voltage Surge Arrester is designed for 36kV AC systems (Rated Voltage: 36kV, Continuous Operating Voltage: 30.6kV RMS).
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36KV Silicone Rubber Surge Arrester


Product Type:36KV 10KA-1080mm

Product Name: Silicone Surge Arrester, is also named Polymer Surge Arrester, Oxide Zinc Surge Arrester, Composite Lightning Arrester. 

Technical Parameters:

Rated voltage:  36kv

Norminal discharge current: 10kA

Maximum continuous operating voltage (MCOV): 29.0kv  

1/4µs steep current residual voltage:  123kv

8/20µs lightning current residual voltage :  108kv

30/60µs switching current residual voltage:  92.4kv

2000µs rectangular wave current impulse: 150A

4/10µs high current withstand discharge capacity : 65KA

Discharge classic: 1

Creepage distance: 1080mm


Product Overview


The 36KV Silicone Rubber Surge Arrester (model 36KV 10KA-1080mm) is a high-voltage protective device for 36KV AC power systems. It features a nominal discharge current of 10KA, maximum continuous operating voltage (MCOV) of 29.0KV, and an industry-leading 1080mm creepage distance—enabling operation in severe pollution conditions (ESDD 0.8mg/cm², beyond IEC Class IV). The arrester uses a multi-column ZnO varistor core and high-temperature vulcanized (HTV) silicone housing, ensuring reliable overvoltage protection for critical infrastructure. Key electrical parameters include 8/20μs lightning current residual voltage of 108KV and 4/10μs high-current withstand of 65KA.


Key Features


Advanced ZnO Varistor Core

Six parallel varistor columns reduce residual voltage by 15% compared to single-column designs, providing superior protection for high-voltage equipment. The varistors are manufactured via precision processes (1,150°C sintering, Al-sprayed electrodes) to ensure consistent nonlinear performance.


16 Alternating Sheds

The HTV silicone housing includes 16 alternating sheds that prevent continuous pollution layers and efficiently shed ice/snow—critical for high-altitude or coastal environments. The housing retains hydrophobicity for 15+ years, even under UV exposure.


Corona-Free Design

Triple-point interface treatment (conductive adhesive + Faraday cage) eliminates corona discharge at terminal connections, reducing electrical losses and extending service life.


Seismic & Environmental Resilience

Tested to IEEE 693 (0.5g PGA) for seismic resistance and IEC 60507 (1,000hr salt fog), it performs reliably in offshore wind farms, chemical plants, and mountainous grids.


Scenario-Specific Solutions


Coastal Wind Farms

Offshore substations face salt deposition (>0.6mg/cm²) and harsh winds—this arrester’s 1080mm creepage distance and corrosion-resistant 316SS ground lugs protect 33KV collector systems from salt-induced insulation failure.


Heavy Industrial Zones

In chemical plants, it shields switchyards from SO₂/NOₓ conductive deposits; in steel mills, it protects ladle furnace transformers from iron dust contamination. The multi-column core handles frequent switching surges from industrial machinery.


High-Altitude & Railway Systems

For mountainous grids, the shed design prevents ice bridging, while in electrified rail 2×25KV autotransformer stations, it mitigates switching surges from train operations—ensuring uninterrupted power for rail networks.


Desert Solar Farms

In desert regions, the arrester protects 33KV combiner boxes from sand contamination (NSDD >1.2mg/cm²). Its HTV silicone housing resists extreme temperature fluctuations (-40°C to +85°C).


Technical Support


Certifications: KEMA Type Test Report (pollution test passed at 0.9mg/cm² ESDD), ISO 9001/14001 manufacturing, and IBC 2018 Zone 4 seismic certification.

Manufacturing Transparency: Detailed process documentation (ZnO sintering, silicone injection molding) available for quality audits.

Fault Analysis: Post-fault inspection services to identify surge causes and optimize protection strategies.


Related Services


Custom Engineering: Tailored creepage distances or terminal designs for special applications (e.g., offshore platforms).

Site Surveys: Pre-installation site assessments to recommend optimal mounting positions and spacing.

Extended Warranty: 7-year warranty with optional 5-year maintenance contracts.


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WhatsApp: +86-13375775325
WeChat / Tel:+86-13375775325
Phone: +86-577-62827889
Address: Nanzhai Village, Liushi Town, Yueqing City, Zhejiang Province,China

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