SKU: GDE-SUNBRKDC125A-2P
Category: Stablizers
Availability: Unlimited
The SUNTREE 2-Pole DC Circuit Breaker 125A 550V is a high-performance protection device designed specifically for photovoltaic (PV) systems and DC circuits. It safeguards the cables between PV module strings and inverters, as well as battery-to-inverter connections, from overloads, short circuits, and electrical faults.
This DC breaker features long-delay overload protection and instantaneous short-circuit protection, ensuring reliable performance for both residential and commercial solar installations. The quick-closing and fast-segmentation operating mechanism, along with its compact design, allows for easy installation and maintenance. Rated for up to 550VDC, it is part of the SM8-250HPV/2 series, suitable for DC grids up to 1000V with a rated current of 125A.
Best For:
✔ Protecting PV module strings and inverters in solar power systems
✔ Battery-to-inverter circuit protection
✔ Reliable overload and short-circuit protection in DC grids
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Model Number:
Availability: In stock
Minimum order quantity: 1
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Listed date: 14th Dec, 2025
Model: SUNBRKDC125A-2P
Type: DC Molded Case Circuit Breaker
Rated Current: 125A
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 systems, battery-to-inverter protection, DC grid circuits
Design: Compact and easy to use
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