2. Core Electrical Ratings
Item | Parameter |
Product Type | DC MCB for ≤600 VDC application |
Trip Curve | C Curve |
Maximum Rated Current (In) | 100 A |
Rated Operating Voltage | 1P: 300 VDC
2P: 600 VDC |
Rated Ultimate Short-Circuit Breaking Capacity (Icu) | Up to 6 kA |
Instantaneous Trip Current | 11 × In (±20% tolerance) |
Applicable Poles | 1P, 2P, 3P, 4P |
Wiring Feature | Non-polarized connection |
3. Compliance Standard
Conforms to IEC / EN 60947-2 low-voltage switchgear and controlgear standard.
4. Attached Technical Documents
• Product General Catalogue (PDF, 565.91KB)
• TUV Type Test Certificate (Rev.01, PDF, 337.69KB)
• 3D STP Drawings for 1P / 2P / 3P / 4P versions (4.50MB ~ 4.62MB each)
5. Key Design Features
1. Non-polarized terminal connection, no positive/negative polarity restriction during installation
2. Available in 1, 2, 3 and 4 pole modular structures for flexible system matching
3. High DC short-circuit breaking capacity up to 6 kA, reliable fault current interruption
4. C-type thermal-magnetic trip characteristic, suitable for general DC loads including PV combiner boxes and battery cabinets
5. Wide rated current range up to 100 A to meet medium-capacity DC distribution demands
6. Standard DIN rail mounting structure for quick cabinet assembly
6. Application Scenarios
• Solar PV DC combiner boxes
• Energy storage battery DC distribution systems
• Low-voltage industrial DC power supply circuits
• Off-grid DC power generation equipment
7. Performance Description
• Thermal protection: Disconnect circuit automatically under long-term overload current
• Magnetic short-circuit protection: Instant trip at 11×In (±20%) short-circuit current
• Optimized DC arc extinguishing structure to suppress DC electric arc during breaking
• Modularized single-pole unit design, easy combination of multi-pole specifications on site
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