| Specifications | Available Options |
|---|---|
| Pole Configuration | 1P, 2P, 3P, 4P |
| Rated Current (A) | 6, 10, 16, 20, 32, 40, 63 |
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Product Details
DC Mini Circuit Breaker SLD Series 1P–4P | 1–63A MCB. Our advanced DC circuit breakers are specifically engineered for direct current applications, providing exceptional protection for renewable energy systems, photovoltaic installations, energy storage systems, and other DC power applications. These specialized circuit breakers are designed to handle the unique challenges of DC fault interruption, offering reliable protection against overcurrent, short circuits, and arc faults in modern clean energy infrastructure.
• DC Optimized Design: Specifically engineered for direct current applications with superior arc extinguishing capabilities
• Multiple Pole Configurations: Available in 1P, 2P, 3P, and 4P configurations for various system architectures
• Comprehensive Current Range: Current ratings from 6A to 63A to accommodate different load requirements
• High DC Breaking Capacity: Exceptional interrupting performance for DC fault conditions
• Arc Fault Protection: Advanced arc detection and interruption technology
• Temperature Compensation: Consistent performance across wide temperature variations
• Compact Modular Design: Space-efficient construction for modern electrical cabinets
• Easy Panel Mounting: Standard DIN rail mounting for quick installation
• Visual Status Indication: Clear ON/OFF position marking and trip indication
• Long Electrical Life: Extended operational lifespan in demanding DC environments
| Specifications | Available Options |
|---|---|
| Pole Configuration | 1P, 2P, 3P, 4P |
| Rated Current (A) | 6, 10, 16, 20, 32, 40, 63 |
| Rated Voltage | 250V/500V/750V/1000V DC |
| Breaking Capacity | 10kA/15kA DC |
| Operating Temperature | -40°C to +70°C |
| Standards Compliance | IEC 60947-2, UL 489, EN 60947-2 |
| Mounting | DIN Rail (35mm) |
| Electrical Life | 10,000 operations |
Renewable Energy Systems:
Energy Storage Applications:
Electric Vehicle Infrastructure:
Industrial & Commercial Applications:
Government & Public Infrastructure:
Packaging:
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Q: What’s the main difference between DC and AC circuit breakers?
A: DC circuit breakers are specifically designed to interrupt direct current, which doesn’t naturally cross zero like AC current, requiring specialized arc extinction technology.
Q: Can I use these for solar panel installations?
A: Yes, these DC circuit breakers are ideal for PV systems, providing string-level and combiner box protection.
Q: What pole configuration should I choose for a battery system?
A: For most battery systems, 2P configuration is recommended to switch both positive and negative conductors simultaneously.
Q: Are these suitable for high-voltage DC applications?
A: Yes, our DC breakers are available in voltage ratings up to 1000V DC for various applications.
Q: Do you provide arc fault detection?
A: Select models include integrated arc fault detection and interruption capabilities for enhanced safety.
Q: What certifications do these products have?
A: Our DC circuit breakers are certified to international standards including IEC, UL, and EN specifications.
For more details or a quick quotation, please get in touch with us:
📞 Tel/WhatsApp: +86-13693313816
📧 Email: jacky@cnsoltree.com
👉 We reply to inquiries within 12 hours.
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