The Suntree 400 Amp 2-Pole circuit breaker is typically a high-voltage Direct Current (DC) Molded Case Circuit Breaker (MCCB) from the SM8-HPV series. It is specifically designed for solar photovoltaic (PV) systems, battery storage banks, and high-voltage inverter inputs.
Key Technical Specifications
• Rated Operational Voltage (\(U_{e}\)): 1000V DC to 1500V DC
• Rated Current (\(I_{n}\)): 400A
• Number of Poles: 2 Pole (Positive + Negative)
• Breaking Capacity (\(I_{cu}\)): Up to 20kA (varies by voltage: 20kA at 1000V, 15kA at 1500V)
• Trip Type: Thermal-magnetic
• Rated Insulation Voltage (\(U_{i}\)): 1500V
• Rated Impulse Withstand Voltage (\(U_{imp}\)): 12kV
• Operating Temperature Range: -40°C to +70°C
• Mechanical Life: 15,000 operations
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