SKU: GDE-SUNBRKDC63A-2P
Category: Stablizers
Availability: Unlimited
The SUNTREE 2-Pole DC Circuit Breaker 63A 550V is a high-reliability protection device designed for photovoltaic (PV) systems and DC circuits. It protects cables between PV module strings and inverters, as well as battery-to-inverter connections, from overloads, short circuits, and other electrical faults.
This breaker belongs to the SM8-250HPV/2 series, suitable for DC grids with voltages up to 1000V and a rated current of 63A. It features long-delay overload protection and instantaneous short-circuit protection, ensuring both safety and operational reliability. The quick-closing and fast-segmentation mechanism, combined with a compact and easy-to-install design, makes it ideal for solar power systems, commercial, and residential DC installations.
Best For:
✔ Protecting PV module strings and inverters in solar energy setups
✔ Battery-to-inverter protection and safe shutoff
✔ Reliable overload and short-circuit protection in DC circuits
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Model Number:
Availability: In stock
Minimum order quantity: 1
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Listed date: 14th Dec, 2025
Model: SUNBRKDC63A-2P
Type: DC Molded Case Circuit Breaker
Rated Current: 63A
Rated Voltage: 550VDC (up to 1000VDC max)
Poles: 2
Series: SM8-250HPV/2
Protection Functions: Long-delay overload, instantaneous short-circuit
Operating Mechanism: Quick closing, fast-segmentation
Application: PV module strings, battery-to-inverter circuits, DC grid circuits
Design: Compact, small, and convenient for installation
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