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Help CenterYUMO 20A Changeover Switch for Outdoor Solar Panel Systems
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Jinhua Dika Electrical Equipment Co., Ltd., a trusted ISO9001-certified manufacturer based in Zhejiang, China, proudly presents the YUMO 20A Changeover Switch. Engineered specifically for outdoor solar panel systems, this robust switch ensures reliable power source transfer and isolation, safeguarding your renewable energy investments against electrical faults and simplifying maintenance procedures.
This meticulously crafted component is designed to withstand harsh environmental conditions while delivering consistent performance. Key features include:
- Enhanced Durability: Constructed with high-grade, weather-resistant materials to resist corrosion, UV radiation, and extreme temperatures.
- Safe Operation: Manual changeover mechanism prevents accidental switching and ensures user safety during maintenance.
- Effortless Installation: DIN rail mounting design allows for quick and secure integration into existing electrical enclosures.
- Optimized Contact System: Silver alloy contacts minimize resistance and prevent overheating under continuous 20A load.
Technical specifications include:
| Parameter | Value |
| Rated Voltage | AC 230V / DC 48V |
| Dielectric Strength | 2000V AC for 1 min |
| Mechanical Life | 20,000 cycles min. |
Benefits for solar system integrators:
- Reduces system downtime during panel cleaning or repair
- Prevents backfeeding to grid during maintenance (compliance support)
- Eliminates the need for complete system shutdown
With over US$1 million in annual exports to diverse markets including North America, Europe, and Oceania, Jinhua Dika has established global recognition for electrical components that meet rigorous quality standards. Our vertically integrated manufacturing process and in-house testing facilities ensure every YUMO switch delivers:
- Consistent performance across temperature ranges (-25°C to +65°C)
- IP65-rated protection against dust ingress and water jets
- Compatibility with major solar inverter brands
FAQ:
Q: Can this switch handle both AC and DC solar systems?
A: Yes, it's rated for AC 230V and DC 48V applications typical in residential solar installations.
Q: What enclosure protection does it offer?
A: The switch meets IP65 standards, meaning it's dust-tight and protected against low-pressure water jets from any direction.
Q: Is special training required for installation?
A: Standard electrician training for DIN rail components is sufficient. Comprehensive installation guides are provided.
Q: How does this differ from circuit breakers?
A: While breakers interrupt fault currents, changeover switches safely transfer loads between power sources without interruption.
Q: What warranty coverage is provided?
A: We offer a 5-year warranty against manufacturing defects when installed per specifications.
Q: Can I request custom labeling?
A: Custom branding options are available for bulk orders – contact our sales team for details.
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