• Rated voltage DC 1000 V / 1500 V
• Rated current 63 A–800 A (shell frame 315 A or 800 A)
• 2-pole or 3-pole configurations
• High breaking capacity: 20 kA (Icu = Ics)
• Mechanical & electrical endurance: 10,000 operations
• Wide operating temperature: –5 °C to +40 °C
• Protection rating: IP20
• True DC isolation function
• Flexible installation: fixed or plug-in type
• Rich accessories: shunt release, auxiliary contacts, alarm contacts, motor operator (CD2), and external manual operator (CT2)
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The HIITIO HCM1-315/800D Series DC Molded Case Circuit Breaker is a professional-grade protective device designed for photovoltaic systems, battery energy storage (BESS), and other DC circuits. It combines overload protection, short-circuit protection, and circuit isolation functions to ensure safe and reliable operation in high-voltage DC applications.
• Rated operating voltage Ue: DC 1000 V (315D) / DC 1500 V (800D)
• Rated insulation voltage Ui: DC 1250 V / DC 1500 V
• Rated impulse withstand voltage Uimp: 8 kV / 12 kV
• Arcing distance: ≤ 50 mm (0 mm with arc hood)
• Dimensions (2P 315D example): 200 × 73 × 135 mm
• Certifications: CE / CCC
• Standards: GB/T 14048.2, IEC 60947-2
With excellent breaking performance, reliable insulation, and easy accessory integration, the HCM1-315/800D DC MCCB offers superior protection and isolation for modern DC power systems.
Ideal for solar PV combiners, energy storage systems, DC microgrids, and industrial DC distribution networks.
HIITIO® was established in 2018 as a result of Hecheng Electric introducing a mature R&D team. HIITIO specializes in producing high-voltage DC electrical devices for EV, solar energy systems, and energy storage applications.
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