3. Core Electrical Technical Parameters
Parameter Item | Technical Value |
Total Rated Operating Voltage (Ue) | 1000 V DC |
Rated Operating Voltage per Single Pole | 250 V DC |
Rated Short-Circuit Breaking Capacity (Icu) | 6 kA |
Tripping Characteristic Curve | K curve thermal-magnetic trip |
Rated Current Range (In) | Up to 63 A |
Pole Module Width Specification | 2 modules, 4 modules |
Polarity Design | Non-polarized, bidirectional DC wiring allowed |
4. Mechanical & Installation Features
1. Standard DIN rail mounting structure, modular compact design
2. Wide range of matching electrical accessories for customized system configuration
3. Clear on/off status indicator for visual circuit isolation confirmation
4. Optimized arc extinguishing structure specially adapted for DC fault current breaking
5. Application Scope
• Photovoltaic solar power generation DC combiner boxes, PV string circuits
• Energy storage DC distribution loops
• Other low-voltage DC power systems requiring overload & short-circuit protection
6. Available Supporting Documents
1. Product Catalogue (PDF)
2. Global Safety Certification Document (PDF)
3. Installation & Operation Manual (PDF)
7. Key Performance Advantages
• Non-polarized wiring eliminates positive/negative pole installation restrictions for PV arrays
• High DC breaking capacity reliably cuts short-circuit fault current in photovoltaic DC loops
• K-type trip curve matches the overload characteristic of solar PV modules
• Modular width options flexible for different cabinet layout space requirements
• Complete accessory portfolio supports auxiliary contact, shunt trip, undervoltage trip and other expansion functions
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