China DC Electrical Components Manufacturers and Suppliers

The SYMM3Z DC Molded Case Circuit Breaker, supplied by China manufacturer Zhejiang Soutya New Energy LLC, is a dedicated 1500 V DC moulded-case circuit-breaker engineered for over-current and short-circuit protection in large commercial rooftops, agricultural-greenhouse or utility-scale ground-mounted PV plants rated 50 kW and above.
▶ No positive or negative polarity distinction, easier to installation.
▶ Unique arc extinguishing design with short flying distance.
▶ Applied in industrial and commercial energy storage DC side protection, PV combiner box.

The SYB5-80 DC miniature circuit breaker, supplied by China-based manufacturer Zhejiang Soutya New Energy LLC, provides protection for AC 230/400V and DC 300~1200V circuits.
Key Features
▶ Common for AC and DC (AC230/400V、 DC300~1200V)
▶ No positive or negative polarity distinction, bidirectional protection, easier to installation.
▶ High breaking short arc, higher safety.

The SYB5-40P High Voltage DC Miniature Circuit Breaker, supplied by the China-based manufacturer Zhejiang Soutya New Energy LLC, provides 1 500 V DC circuit protection.
Key Features
• High-voltage capability: single-pole 500 V DC, up to 1,500 V DC—fewer strings, lower cost.
• Non-polarized, bidirectional protection for faster, easier installation.
• Double-break contacts with extra-wide contact gap for superior safety.
• Ideal for DC combiner boxes in photovoltaic systems.