OEM/ODM • DC Protection & Distribution

Manufacturing Services for DC Circuit Protection & Distribution

Sinobreaker provides end-to-end OEM/ODM services for DC circuit breakers, DC fuses, surge protective devices (SPD), DC isolator switches, and waterproof distribution boxes. From co-design and certification to mass production and logistics, we build reliable, standards-compliant products for PV, ESS, EV and industrial DC systems.

Fabricante de disyuntores de CC

Miniature DC MCBs and DC MCCBs (up to 1000–1500 VDC) with calibrated curves, high breaking capacity and arc-extinguishing chambers for PV strings and ESS buses.

IEC 60947-2UL 489 (by model)Up to 10–20 kA
Explore DC Breakers →

Fusibles CC Fabricantes

gPV/DC fuses and holders (10×38, 14×51, 10×85, 14×85) optimized for fast fault clearing and low power loss in PV arrays, combiner boxes and ESS racks.

IEC 60269-6 (gPV)Up to 1500 VDC10–125 A
See DC Fuses →

DC SPD Manufacturer

Type 1, Type 2 and Type 1+2 surge protective devices for PV/ESS DC circuits with replaceable modules and remote signaling options.

IEC 61643-31UL 1449 (by model)600–2000 VDC
View DC SPDs →

Aislador de CC Fabricante

Load break disconnectors for rooftop and combiner isolation, with compact footprints, IP65 enclosures and visible break options.

IEC 60947-3Up to 1500 VDC16–250 A
DC Isolators →

Fabricante de cajas de distribución de CC

Outdoor waterproof distribution boxes and PV combiner boxes integrating fuses, SPDs, isolators, and wiring—custom layouts and labeling.

IP65–IP67UV & Salt-sprayOEM Wiring
Distribution Boxes →

OEM/ODM Capabilities

We turn application requirements into certified, repeatable products with dependable delivery.

Co-Design & Engineering

Electrical sizing, temperature rise, creepage/clearance, arc management, and enclosure layout for PV/ESS/EV DC use cases.

Tooling & Customization

Custom poles, ratings, terminals, gaskets, branding (logo/label), packaging and documentation.

Compliance & Testing

Type tests per IEC 60947-2/-3, IEC 61643-31, IEC 60269-6; surge, short-circuit, dielectric, UV, IP, salt-spray.

Sistema de calidad

Incoming/inline/final inspections, traceability, SPC, PPAP on request; ISO 9001-based processes.

Supply Chain

Verified component vendors, safety stocks, and flexible MOQs to support ramp-up and spares.

Global Logistics

EXW/FOB/CIF terms, multi-carton packaging tests, palletization plans, HS codes and documentation.

How We Work

A transparent, milestone-based engagement from requirement to mass production.

#PhaseMain Deliverables
01Requirements & NDAUse cases, ratings, volumes, standards, target cost, schedule.
02ProposalDatasheet draft, BOM options, NRE/Tooling, DFM notes.
03PrototypingSamples, initial tests (electrical, thermal, IP), validation plan.
04CertificationType tests to IEC/UL as applicable, reports, marking.
05Pilot RunGolden samples, control plan, packaging spec, PPAP (if required).
06Producción en serieOQC, traceability, shipment schedule, after-sales support.

Standards & Certifications

Compliance by design for global markets.

Normas

IEC 60947-2/-3, IEC 61643-31, IEC 60269-6 (gPV), UL 489/UL 1449/UL 4248 (by model), EN, GB.

Environmental

RoHS/REACH material declarations, UV aging, salt-spray, thermal shock and vibration tests.

Documentación

Datasheets, wiring diagrams, labels, user manuals, test reports and CoC on request.

Industries Served

Residential & C&I Solar • Energy Storage • EV Charging • Telecom • Microgrid & Off-grid • Industrial DC

Preguntas frecuentes

¿Cuál es su plazo de entrega habitual?

Samples 7–15 days after confirmation; pilot 2–4 weeks; mass production 3–6 weeks depending on volume and customization.

Can you customize ratings and labeling?

Yes. We support custom voltage/current ratings (within design limits), terminals, color, logo, label, and packaging.

Which certifications can you provide?

IEC type tests are standard. UL/CB/TÜV availability depends on model and project scope—contact us for details.

Do you supply complete combiner/distribution boxes?

Yes. We build IP65–IP67 boxes integrating fuses, SPDs, isolators, wiring and terminals with custom layouts.

What are the MOQs?

We keep flexible MOQs for development and ramp-up. Talk to us about your forecast and rollout plan.

How do you ensure quality consistency?

ISO-based QMS, component traceability, incoming/inline/final inspection, golden samples and control plans.

Ready to Build Your DC Protection Product?

Send us your ratings, standards and target delivery date—we’ll reply with an engineering proposal.