Product Description

The Suntree 100A DC Battery Fuse is a high-performance gPV-class fuse link housed in a high-strength ceramic body. Unlike standard automotive fuses, these are filled with high-purity silica sand to quench the powerful electrical arcs that occur in high-voltage DC systems. Designed for use in NH-style (Blade) fuse holders, they provide a reliable, “set-it-and-forget-it” layer of protection. They are typically installed in a dedicated battery disconnect box to safeguard the inverter and the battery bank from short circuits and massive overcurrent events.

Key Benefits

• Superior Fault Interruption: With a 50kA breaking capacity, these fuses can safely “quench” an explosion-level short circuit that would weld the contacts of a standard breaker together.

• Ultra-Fast Protection: Specifically tuned for DC characteristics, these fuses respond in milliseconds—faster than most mechanical breakers—preventing heat buildup and potential fires.

• High-Voltage Reliability: Rated for 1000V DC, they are future-proof for modern high-voltage battery architectures that are becoming common in residential and commercial energy storage.

• Thermal Stability: The high-quality ceramic housing is resistant to the “creeping” degradation caused by heat, ensuring the fuse does not blow prematurely under normal heavy load.

• Clear Fault Isolation: When a fuse blows, it provides a visible and physical break in the circuit, making it impossible for current to “jump” the gap, which is essential for safe maintenance and troubleshooting.

Product Description

The Kentree 100A 4P ATS is a high-capacity changeover switch designed for three-phase applications. Its “4-Pole” configuration is a vital safety feature that ensures all three live phases (L1, L2, L3) and the Neutral (N) line are switched simultaneously. This complete isolation prevents dangerous “back-feeding” into the grid and protects sensitive electronics from floating neutrals during power transitions. It features both Automatic and Manual modes, giving users full control over their power distribution in the event of a blackout or system maintenance.

Applications

• Three-Phase Residential Estates: Ideal for large homes with 3-phase power that require a seamless transition to a backup generator or solar battery bank.

• Commercial & Industrial Sites: Used in small factories, clinics, and offices to ensure that critical 3-phase machinery (like HVAC units, heavy pumps, and server racks) remains powered.

• Solar & PV Systems: Acts as the primary changeover between a 3-phase hybrid inverter output and the utility grid.

• Essential Public Infrastructure: Suitable for elevators, fire-fighting pumps, and emergency lighting systems where power continuity is a legal or safety requirement.

Product Description

The Suntree 100A 2P DC MCB is a specialized safety device engineered to manage the unique challenges of Direct Current (DC) electricity, which lacks the “zero-crossing” point of AC. Unlike standard domestic breakers, this unit features an internal permanent magnet arc-extinguishing system and a labyrinth arc interrupter. These components work together to “blow” the dangerous electrical arc away from the contacts, ensuring a clean and safe disconnection even under a massive 100-amp load. Its “Double Pole” design ensures that both the positive and negative lines are isolated simultaneously for maximum system safety.

Applications

• Battery Bank Isolation: Installed on the DC line between the battery bank and the inverter to allow for safe maintenance and overcurrent protection.

• Solar PV Combiner Boxes: Used to protect main strings in large residential or commercial arrays before they enter the charge controller.

• DC Micro-Grids: Ideal for telecommunications sites or remote cabins where 12V, 24V, or 48V DC power is distributed to high-power equipment.

• Industrial DC Systems: Used in mining or postal equipment that relies on heavy DC motor or control systems.

Product Description

The Kentree 100A HRC fuse is a blade-style (NH00/NH000) fuse designed for high-voltage DC and AC applications. It features a ceramic body filled with high-purity silica sand, which acts as a quenching agent to instantly extinguish electrical arcs. These fuses are “fast-acting” in short-circuit conditions but provide enough thermal delay to handle the normal inrush currents of large inverters. They are typically installed in a dedicated battery disconnect holder (like a KETO or NH-style base) between the battery bank and the inverter.

Key Benefits

• High Rupturing Capacity: Capable of safely interrupting up to 120,000 Amps of fault current, ensuring that even a dead-short across a massive battery bank is contained within the fuse body.

• Cool Running Design: The silver-plated blades and high-quality ceramic housing ensure low power loss and minimal heat buildup, which extends the life of the fuse holder and surrounding cables.

• Enhanced Fire Safety: The silica sand filling effectively absorbs the heat and pressure of an electrical arc, preventing the fuse from exploding or emitting sparks during a failure.

• Predictable Performance: HRC fuses offer precise time-current characteristics, meaning they won’t “nuisance trip” during normal operation but will react instantly to a genuine short circuit.

• Cost-Effective “Insurance”: While a circuit breaker can be reset, an HRC fuse provides a physical and irreversible break in the circuit that is often more reliable for protecting very expensive Lithium battery banks.

Product Description

The Kentree 160A HRC fuse is an industrial-grade blade-style (NH00/NH000) fuse engineered for extreme reliability. It features a robust ceramic body designed to withstand high pressure and thermal shocks, filled with high-purity silica sand that instantly quenches electrical arcs during a fault. As a “High Rupturing Capacity” device, it is built to interrupt massive short-circuit currents safely, preventing the catastrophic release of energy that can occur in large battery banks. Its silver-plated copper contacts ensure low electrical resistance, keeping the fuse cool even during continuous 160A operation.

Key Benefits

• Extreme Fault Containment: With a 120kA breaking capacity, this fuse can safely “snuff out” an explosion-level short circuit that would likely destroy a standard circuit breaker or melt cheaper fuses.

• Fast-Acting Protection: Specifically designed to react in milliseconds to short circuits, protecting sensitive (and expensive) inverter electronics and battery BMS units from thermal damage.

• Reliability in High Temperatures: The high-quality ceramic body and silver-plated contacts prevent the fuse from becoming brittle or experiencing “nuisance trips” in hot environments or under heavy continuous loads.

• Visual Troubleshooting: The integrated trip indicator allows technicians to identify a blown fuse at a glance, significantly reducing system downtime during maintenance.

• Industrial-Grade Build: Unlike automotive fuses, the HRC design is airtight and sealed, ensuring that no fire, sparks, or molten metal escape the fuse body during a catastrophic failure.

Product Description

The Suntree 16A PV Fuse is a specialized gPV-class (photovoltaic) fuse link designed to protect individual solar strings from overcurrents and short circuits. Housed in a compact 10x38mm ceramic or high-strength porcelain body, it is typically installed within a DIN-rail mounted fuse holder. Its primary role is to “blow” and disconnect the circuit if a fault occurs, such as a reverse current or a multi-array fault, effectively shielding expensive solar modules and inverters from permanent damage.

Key Benefits

• Precision Safety: The gPV rating ensures the fuse reacts specifically to low-overcurrent conditions common in solar faults that standard fuses might miss.

• Superior Arc Quenching: Filled with high-purity silica sand, the fuse can safely extinguish high-voltage DC arcs instantly, preventing fire hazards.

• Weather & Heat Resistant: Built with flame-retardant materials (PA66) and designed for reliable performance in the extreme temperature fluctuations typical of outdoor solar installations.

• Cost-Effective Insurance: Replacing a low-cost fuse is significantly cheaper than repairing a damaged solar panel or replacing a blown inverter.

• Compact Integration: Its small 10x38mm footprint allows for high-density mounting in junction boxes, saving valuable space in electrical cabinets.

The Suntree SL7-63 (or SL7N) series is a specialized single-pole DC circuit breaker that provides essential protection against overloads and short circuits. These breakers are “non-polarized,” meaning they can be wired in either direction without risking damage or failure—a major advantage for installers working in tight distribution boxes.

Each unit features a U-shaped magnetic blowing structure and a labyrinth arc interrupter, which physically pulls the electrical arc away from the contacts to quench it instantly. The 16A, 20A, and 32A variants share the same 18mm modular width, allowing for seamless integration on a standard DIN rail.

Applications

• Solar PV String Protection: Ideal for protecting individual solar panel strings in residential arrays where voltages are below 250V per string.

• DC Control Circuits: Used in industrial automation to protect low-voltage DC control lines for sensors and actuators.

• Marine & RV Power: A standard choice for 12V and 24V house battery systems in boats and campervans to protect lighting or fridge circuits.

• Telecommunications: Safeguards DC power distribution units (PDUs) in server rooms and cell tower equipment.