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Help CenterZinc Oxide Arrester YH5WZ 3KV 6KV 10KV 35KV 66KV 110KV for Power Distribution
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Jinhua Dika Electrical Equipment Co., Ltd., an ISO9001-certified manufacturer with over $1 million in annual exports, specializes in robust electrical protection solutions. Our YH5WZ Zinc Oxide Arresters deliver critical overvoltage defense for global power distribution networks across 3KV to 110KV systems. Engineered for reliability in diverse climates – from North American grids to Southeast Asian utilities – these arresters minimize downtime and equipment damage through advanced ZnO technology.
Core Advantages & Technical Specifications:
- Superior Energy Absorption: ZnO valve blocks offer excellent nonlinear volt-ampere characteristics, clamping voltage surges within microseconds.
- Wide Voltage Coverage: Comprehensive range from 3KV to 110KV suits transformers, switchgear, and overhead lines.
- Zero-Power-Loss Design: High insulation resistance (>10,000MΩ) ensures minimal leakage current during normal operation.
- Environmental Resilience: Silicone rubber housing (optional porcelain) provides UV resistance, pollution protection (up to Class IV), and operates in -40°C to +40°C.
- Maintenance-Free Operation: Sealed structure prevents moisture ingress and eliminates routine checks.
Key Performance Parameters:
| Rated Voltage (KV) | Continuous Operating Voltage (KV) | Nominal Discharge Current (KA) | Residual Voltage (KV) |
|---|---|---|---|
| 3 | 2.4 | 5 | ≤9.5 |
| 10 | 8.0 | 5 | ≤27.0 |
| 35 | 28.0 | 5 | ≤96.0 |
| 110 | 73.0 | 10 | ≤260.0 |
Client Benefits:
- Reduced OPEX: Prevent costly transformer/switchgear failures and grid outages.
- Extended Asset Life: Shield sensitive equipment from lightning and switching surges.
- Compliance Ready: Meets IEC 60099-4 standards (design verified).
- Global Compatibility: Proven performance across 5 continents including harsh tropical (Southeast Asia) and cold (Northern Europe) regions.
Trusted by utilities and industrial clients from Eastern Europe to Oceania, Jinhua Dika leverages 11-50 skilled engineers and strategic ports (Shanghai, Tianjin, Guangzhou, Ningbo) to ensure timely global delivery. Our ISO9001 quality system guarantees consistent protection for your critical infrastructure. Contact us today for surge protection that withstands both electrical stresses and market uncertainties.
FAQ:
Q1: What is the typical lifespan of YH5WZ arresters?
A: Under standard operating conditions, expect 15-20 years. Lifespan depends on surge frequency and environmental pollution levels.
Q2: Can these be used in coastal high-salinity areas?
A: Yes. Silicone rubber-housed units offer excellent anti-pollution performance (up to Class IV) suitable for coastal installations.
Q3: Is remote monitoring possible?
A: Optional leakage current counters or online monitors can be provided for condition assessment.
Q4: How do I select the correct voltage rating?
A: Choose based on your system's phase-to-earth voltage. We provide technical support for model selection.
Q5: Are installation accessories included?
A: Mounting brackets are standard. Custom hardware is available upon request.
Q6: What’s the lead time for 35KV units?
A: Standard models ship in 15-20 days from Shanghai/Ningbo ports. Bulk orders may qualify for expedited production.
Q7: Do you offer porcelain housing options?
A: Yes. Porcelain-housed YH5WZ arresters are available for traditional substation applications.
Q8: Can I get samples before bulk order?
A: Sample units are available for testing. Contact sales for feasibility based on voltage level.
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