The Suntree SM8-250HPV DC MCCB Circuit Breaker is a heavy-duty photovoltaic moulded case circuit breaker designed for high-voltage DC solar and battery energy systems. Engineered for reliable overload and short-circuit protection, it supports DC applications up to 1500V and high current ratings up to 250A.
Built for demanding solar, telecom and energy storage installations, the SM8-250HPV provides dependable protection for inverters, battery banks and DC distribution systems in Tanzania’s rapidly growing solar energy market.
Features & Benefits
- Advanced DC Circuit Protection: Protects solar and battery systems against overloads, short circuits and fault currents.
- Designed for High-Voltage Solar Systems: Supports modern photovoltaic systems up to 1500V DC for commercial and industrial installations.
- High Breaking Capacity: Reliable interruption performance helps protect expensive solar equipment and battery storage systems.
- Thermal Magnetic Protection: Provides dependable long-delay overload and instantaneous short-circuit protection.
- Suitable for Battery Energy Storage Systems: Ideal for lithium battery banks, inverter systems and hybrid solar applications.
- Durable Industrial Construction: Compact yet heavy-duty design ensures long service life in harsh operating conditions.
- Flexible Pole Configurations: Available in multiple pole options for different DC system requirements.
- Reliable Isolation Function: Enables safe maintenance and emergency shutdown of DC circuits.
Use Cases
- Commercial solar PV systems
- Industrial solar installations
- Battery energy storage systems (BESS)
- Hybrid inverter systems
- Telecom backup power systems
- Solar farms and mini-grid projects
- DC combiner boxes
- Large lithium battery banks
Value Proposition
With solar adoption rapidly expanding across Tanzania, reliable DC protection is essential for ensuring safe and uninterrupted operation of solar and battery systems. The Suntree SM8-250HPV offers professional-grade DC circuit protection for demanding off-grid, hybrid and commercial energy projects. Its high-voltage capability, strong breaking capacity and rugged construction make it particularly suitable for Tanzania’s challenging outdoor environments, helping reduce downtime and protect valuable energy infrastructure.
Local Market Positioning
In Tanzania, the Suntree SM8-250HPV is positioned as a premium DC protection solution for EPC contractors, solar installers, telecom operators and industrial energy projects. It appeals to users seeking dependable DC circuit breakers for high-capacity solar farms, battery storage systems and commercial photovoltaic installations where electrical safety, system protection and long-term reliability are critical.
Technical Specification
| Specification | Details |
|---|---|
| Product Type | DC MCCB Circuit Breaker |
| Model | SM8-250HPV |
| Rated Voltage | Up to 1500V DC |
| Current Rating | Up to 250A |
| Pole Options | 2P / 3P / 4P |
| Breaking Capacity | Up to 15kA |
| Trip Type | Thermal Magnetic (TMD Fixed) |
| Insulation Voltage (Ui) | 1500V |
| Impulse Withstand Voltage | 12kV |
| Mounting Type | Fixed Mounting |
| Protection Rating | IP20 Terminal / IP40 Enclosure |
| Operating Temperature | -40°C to +75°C |
| Standards | IEC/EN 60947-2 |
| Category | Accessories |





