Import 2p 500v Dc Solar Mini Circuit Breaker — Buy in wholesale FOB from Supplier in China

The PQB1Z-63 from Zhejiang Pingqi Electric Co., Ltd. is a 2-pole DC mini circuit breaker rated for 500V DC photovoltaic applications, providing overcurrent protection in solar panel installations and DC power circuits. It carries standard breaking capacities of 6kA or 10kA and conforms to IEC/EN60947, with current ratings spanning 1A through 63A in multiple steps. The unit mounts on standard 35mm DIN rail and measures 36mm x 80mm x 71mm for the 2P configuration, a compact footprint suited to crowded solar combiner boxes and inverter cabinets.

Contact construction uses copper alloy contacts with silver alloy contact points, paired with a polycarbonate or PA66 housing that provides mechanical robustness and adequate electrical insulation for DC arc quenching. The B, C, and D characteristic curves accommodate different inrush and load profiles typical of solar string configurations, battery banks, and DC loads. Standard working temperature range runs from -5°C to +40°C, with IP20 protection degree against solid objects larger than 12.5mm. Electrical life exceeds 8000 operations and mechanical life exceeds 2000 operations, both figures being typical benchmarks for miniature circuit breakers in this duty class.

This breaker serves residential rooftop arrays, commercial ground-mount installations, and off-grid battery systems where reliable DC isolation and overcurrent protection are mandatory. Importers targeting the renewable energy sector in Africa, Southeast Asia, and Latin America commonly source this class of protector for integration into locally assembled solar kits. Buyers should confirm with Zhejiang Pingqi Electric Co., Ltd. the exact curve type, breaking capacity, and whether accessories such as auxiliary contacts or shunt trips are included or ordered separately. Installation altitude is rated up to 2000m, relevant for high-plateau solar farms.

Zhejiang Pingqi Electric Co., Ltd. is based in China with postal reference 632500, placing it within the Wenzhou-Yueqing industrial corridor, a region with dense concentration of low-voltage electrical equipment manufacturing. The supplier holds a harbor trust tier on the platform, with a response rate of 0.00% and zero recorded average response hours, indicating no inquiry activity or unmeasured response patterns on the profile. The company lists solar mini circuit breakers as a defined product line under the PQB1Z-63 model series, with explicit technical parameters rather than generic descriptions.

The listing provides material specifications for contacts and housing, dimensional data, and accessory availability, though it does not disclose factory size, year of establishment, export license details, or named client references. Buyers should verify ISO9001 quality management certification and any IEC product certifications directly with Zhejiang Pingqi Electric Co., Ltd., as these are not stated in the source data. The supplier's address string repeats country and postal code without provincial or city granularity, so importers should request full registration documents and a factory audit before committing to volume orders.