Suntree SL7N-32 4P 1000VDC Miniature Circuit Breaker

Suntree SL7N-63 4P 1000VDC Miniature Circuit Breaker – High-Voltage DC Protection for Solar Systems

The Suntree SL7N-63 4P MCB is a reliable four-pole DC miniature circuit breaker designed for solar photovoltaic applications operating at up to 1000V DC. Ideal for string protection in large solar arrays, this breaker offers excellent performance in high-voltage environments with fast tripping response and long-term durability.

With 4-pole configuration, it's perfect for isolating and protecting multi-string DC circuits, hybrid inverters, and solar combiner boxes.

🔧 Key Specifications:

• Model: SL7N-32

• Poles: 4P (Four Pole)

• Rated Voltage: 1000V DC

• Current Rating: Varies by model (e.g., 32A, 40A, 63A)

• Breaking Capacity: 6kA

• Utilization Category: DC, Category A

• Mounting: 35mm DIN rail

• Standards: IEC 60947-2, GB/T14048.2

• Terminal Capacity: Up to 25mm² cable

• Material: Flame-retardant, UV-resistant plastic housing

✅ Key Features:

• Designed for high-voltage DC solar applications

• Quick and reliable disconnection during faults

• Four-pole isolation enhances safety in large PV setups

• Compact and easy to mount in combiner boxes or distribution panels

• Long mechanical and electrical lifespan

📦 Applications:

• PV combiner boxes

• Off-grid and hybrid inverter protection

• Solar string protection (up to 1000V DC)

• Battery and energy storage systems

Ensure safe and efficient operation of your solar power systems with the Suntree SL7N-63 4P 1000VDC MCB – built for modern renewable energy infrastructure.