DC Mini Circuit Breaker SLD Series 1P–4P | 1–63A MCB

DC Mini Circuit Breaker SLD Series 1P–4P | 1–63A MCB

Reliable DC Miniature Circuit Breaker (DC MCB) for overcurrent and short-circuit protection in solar PV and energy storage systems. Available in 1P–4P configurations with current ratings from 6–63A.
Specifications Available Options
Pole Configuration 1P, 2P, 3P, 4P
Rated Current (A) 6, 10, 16, 20, 32, 40, 63

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Prodcut Details

1. Product Introduction

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.

2. Key Features DC Mini Circuit Breaker 1P–4P

• 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

3. Technical Specifications DC Mini Circuit Breaker 1P–4P

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

4. Application Scenarios

Renewable Energy Systems:

  • Solar photovoltaic (PV) installations and solar farms
  • Wind power generation systems
  • Hybrid renewable energy projects
  • Microgrids and distributed energy resources

Energy Storage Applications:

  • Battery energy storage systems (BESS)
  • Lithium-ion and lead-acid battery banks
  • Grid-scale energy storage facilities
  • Residential and commercial energy storage

Electric Vehicle Infrastructure:

  • EV charging stations and fast charging networks
  • Electric bus depot charging systems
  • Fleet vehicle charging infrastructure
  • Wireless charging systems

Industrial & Commercial Applications:

  • Data centers and server farms with DC power systems
  • Telecommunications equipment and base stations
  • Marine and offshore installations
  • Railway and traction power systems

Government & Public Infrastructure:

  • Military and defense applications
  • Emergency backup power systems
  • Critical infrastructure protection
  • Smart city initiatives

5. Package & Delivery

Packaging:

  • Individual retail packaging with product specifications
  • Bulk packaging options available for large orders
  • Protective packaging ensures safe transportation

Order Quantities:

  • Minimum order: 1 piece
  • Bulk discounts available for quantities over 100 pieces
  • Custom packaging for OEM orders

6. FAQ

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.

7.Contact Us

For more details or a quick quotation, please get in touch with us:

📞 Tel/WhatsApp: +86-15658672325
📧 Email: jacky@cnsoltree.com

👉 We reply to inquiries within 12 hours.

Want to explore more Soltree DC Circuit Breaker? Click here: DC Circuit Breaker to learn more.

Soltree is a professional manufacturer of low-voltage electrical products with over 15 years of industry experience. We specialize in circuit breakers, RCCBs, surge protectors, power meters, and smart WiFi devices, providing reliable solutions for residential, commercial, and industrial applications.

Customization

Our products boast customizable materials and dimensions, ensuring a tailored experience. With a range of materials to choose from and the ability to adjust sizes to your liking, our offerings are designed to meet your unique needs and preferences.

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