BWG Photovoltaic Grid-connected Cabinet

The BWG photovoltaic grid-connected cabinet is a critical component connecting centralized inverters to step-up transformers, or AC combiner boxes to step-up transformers.

For this grid-connected cabinet:

• The incoming line supports circuit breaker input or direct input; the output is equipped with circuit breakers or load isolation switches.
• Busbars are electroplated or purified for connection, and secondary lightning protection is provided.
• The maximum system rated voltage is AC 690V.
• Protection class: IP40 for indoor use, IP65 for outdoor use.
• Secondary measurement and control cables: ≥2.5mm² for current circuits, ≥1.5mm² for voltage circuits, and ≥1.0mm² for control circuits.
• Measuring current transformers are Class 0.5, and metering current transformers are Class 0.2S.
• Additional functions can be customized according to customer requirements.

This product features professional electrical design and component selection, ensuring a safe, compact, and aesthetically pleasing internal cabinet structure. It enables easy on-site wiring and maintenance, and guarantees long-term stable operation of the equipment.

The BWG series supports both fixed and insertable dual designs, and the modular switchgear unit can be freely combined; it uses high-quality brand components, and a dual isolation structure ensures safety; it has high breaking capacity and high stability, with core switchgear voltage parameters reaching international advanced levels; it adopts full-structure anti-corrosion technology, with IP40 protection, suitable for harsh environments such as -40 to +85°C and an altitude of ≤ 4000m; it supports intelligent monitoring and RS485 communication, and is installed in a floor-standing manner, flexibly adapting to various distribution scenarios, with professional switchgear technical services to guarantee long-term stable operation.

It is widely used in industrial plants, commercial complexes, data centers, new energy stations, infrastructure, etc., for high and low voltage distribution systems, meeting the requirements of large loads, high reliability, and intelligent distribution.

• It is available in fixed installation type or plug-in type as required.
• It adopts circuit breakers and components from Feng Company or other world-renowned brands to form integrated functional units, featuring excellent technical performance, high safety and reliability.
• It can be configured with various standard unit modules for flexible assembly by customers.

Regional isolation and incoming/outgoing line isolation for functional units are applied, effectively improving the safety and protection performance.

With a modular assembly structure, all frame structural parts are securely fastened with screws. The frame, door and panel undergo phosphating treatment followed by electrostatic spraying, while all non-sprayed parts are galvanized and passivated. This design adapts to the installation requirements of various components and diverse working environments, achieving the specified protection degree.

The frame is constructed from high-quality steel plates, equipped with 25mm modular mounting holes to support versatile functional expansion. It supports dual cable entry modes: top entry and bottom entry.

The product boasts high breaking capacity, excellent dynamic and thermal stability, and flexible electrical scheme combinations. It features strong practicability, with its main parameters reaching international advanced levels.

It is lightweight, delivers high mechanical strength and assembly accuracy, and presents an aesthetic appearance.

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