China DC Electrical Components Manufacturers and Suppliers

DC Electrical Components is designed for PV, energy-storage and general DC systems.This series covers DC circuit breakers, fuse holders, isolator switches and DC surge protective devices. DC electrical components provide protections include over current, short circuit, electrical isolation failures, leakage and lightning surges. They are essential for safeguarding inverters, battery racks, combiner boxes, and EV chargers across residential, commercial & industrial, and utility-scale installations.

Zhejiang Soutya New Energy LLC is a leading manufacturer in China of high-quality DC electrical components. We manufacture our products entirely within our own facility, with all components produced using proprietary industrial equipment, including stamping machines, injection molding machines, and laser cutting machines. This integrated production model ensures comprehensive quality control at each stage of production. Every product undergoes a quality inspection before shipment . Soutya have ISO 9001, ISO 14001 and ISO 45001 management system certificates. Contact us today for inquiries.

DC Circuit Breaker Fuse Holder Isolator Switch DC Surge Protective Device

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1500V DC Surge Protective Device

The SYS5-40P 1500V DC Surge Protective Device, supplied by China manufacturer Zhejiang Soutya New Energy LLC, safeguards 1500 V DC busses in utility-scale solar plants, containerized BESS and high-power EV charging stations, featuring a 5.2 kV protection level, thermally monitored fail-safe disconnect and remote signalling contact for SCADA integration.
Key Features
The wiring height is the same as that of the fuse and circuit breaker. Busbars can be used for convenient wiring.
Monitor the status remotely to promptly know whether it fails.
Applied in photovoltaic combiner boxes.

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1000V DC Surge Protector Device

The SYS5-40P 1000V DC Surge Protector Device, supplied by China manufacturer Zhejiang Soutya New Energy LLC, protects 500–1000 V DC circuits in residential rooftop PV, small C&I installations and battery back-up systems, offering 3.9 kV voltage-protection-level and a DIN-rail, IP20 housing that fits easily inside a home distribution box.
Key Features
The wiring height is the same as that of the fuse and circuit breaker. Busbars can be used for convenient wiring.
Monitor the status remotely to promptly know whether it fails.
Applied in photovoltaic combiner boxes.

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External DC Isolator Switch

The SYDSE-32 External DC Isolator Switch, supplied by China-based manufacturer Zhejiang Soutya New Energy LLC, provides safe isolation for DC 300–1500 V circuits up to 32 A in photovoltaic, energy-storage and EV-charging installations.
▶ The overall machine protection level is IP66.
▶ Rotary contact with self-cleaning design, featuring a long service life.
▶ MC4 connectors make wiring more convenient.
▶ Applied in the DC side of distributed photovoltaic systems

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DC Drawout-Type Isolator Switch

The SYDSC-32 DC Drawout-Type Isolator Switch, supplied by China-based manufacturer Zhejiang Soutya New Energy LLC, provides 1 500 V DC, 32 A switching capability with 1 200 A short-circuit make-proof rating for solar combiner boxes and DC distribution systems.
▶ Compact structure and modular design. Each circuit is independently arranged on a separate layer, ensuring greater safety.
▶ Double-contact rotary connection with self-cleaning design, which extends the product lifespan.
▶ Tunnel-style wiring, offering flexibility and convenience.
▶ Strong environmental adaptability, capable of operating reliably in the temperature range of -40 to 85 °C.
▶ Applied in photovoltaic combiner boxes and photovoltaic grid-connected systems.

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DC 1500V Fuse Holder

SYF5-50P DC 1500V Fuse holder supplied by China manufacturer Zhejiang Soutya New Energy LLC, is a dedicated over-current protection device commonly deployed in string combiner boxes of larger commercial rooftops, agricultural-greenhouse or medium-scale ground-mounted PV plants rated 30–50 kW and above.
Key Features
Light indication, clearly know the state of fuse wire.
Open the handle, it can be pulled upwards, easier to replacing the fuse wire.
Rivet plus ultrasonic welding more solid, wiring does not split.
Application in PV combiner box.

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DC 1000V Fuse Holder

The SYF5-DC 1000V Fuse Holder from Soutya offers reliable protection with CE certification. Contact us today for a competitive quotation!, supplied by China-based manufacturer Zhejiang Soutya New Energy LLC, provides 1000 V DC, 2–32 A protection with 20 kA breaking capacity for solar combiner-box.
Key Features
Light indication, clearly know the state of fuse wire.
Open the handle, it can be pulled upwards, easier to replacing the fuse wire.
Rivet plus ultrasonic welding more solid, wiring does not split.
Application in PV combiner box.

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Soutya is a professional DC Electrical Components manufacturer and supplier in China. We warmly welcome you to wholesale high quality products at competitive price from our factory.

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