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Power distribution substation with transformer and switchgear

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Explore the complete JOHNN product range for power distribution projects.

GGD AC low-voltage fixed switchgear

GGD AC low-voltage fixed switchgear

GGD-type AC low-voltage power distribution cabinet is a new type of low-voltage power distribution cabinet designed according to the requirements of the superior department of the Ministry of Energy and the majority of power users and design departments, based on the principles of safety, economy, reasonableness and reliability. The product has the characteristics of high breaking capacity, good dynamic thermal stability, flexible electric scheme, convenient combination, seriality, practicability, novel structure and high protection level. It can be used as a new generation of low-voltage switchgear.

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ZGS Type Combined Transformer Substation

ZGS Type Combined Transformer Substation

ZGS series prefabricated substation is suitable for 7.2KV and 12KV ring network power supply, dual power supply or terminal power supply system. It is used as high voltage power distribution metering, compensation control and protection device. The high voltage side is also equipped with four station load switch or two station. Load switch, backup protection fuse and plug-in fuse, low-voltage side according to user requirements to install control appliances, distribution electrical, compensation devices and energy meters.ZGS series prefabricated substations can be used indoors and outdoors, and are widely used in industrial parks, commercial centers, and highrise buildings.

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YBW Intelligent prefabricated substation

YBW Intelligent prefabricated substation

YB Intelligent Prefabricated Substation integrates high & low voltage distribution units, transformer and intelligent monitoring system. Preassembled in factory for quick onsite installation. Supported by intelligent measurement & control platform, it realizes operation data collection, fault early warning and remote operation & maintenance. Featuring excellent protection and compact layout, it is widely applied in new energy, municipal works, industrial parks and real estate, delivering reliable and intelligent power conversion & distribution solutions.

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YBW Outdoor Prefabricated Substation

YBW Outdoor Prefabricated Substation

YBW series prefabricated substations integrate high-voltage devices, transformers and low-voltage devices into compact complete distribution units, to receive and distribute power for high-rise buildings, residential zones, industrial parks, mines, oil fields and temporary construction sites.They feature high integration, compact layout, easy maintenance and mobility.

Occupying 1/10-1/5 of the land area of conventional masonry substations at the same capacity, they cut design workload, construction work and overall investment. Compatible with ring main, dual-power and radial terminal distribution systems, they are widely adopted for new build and upgrade of urban and rural substations.

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Chinese box type substation

Chinese box type substation

Chinese box type transformer substation is different from American box type transformer substation and European box type transformer substation. The unique R method high-voltage connection, which is the first in the industry, has China's independent intellectual property rights, and fully demonstrates the extraordinary features of the Chinese box type transformer: safety, reliability, convenience, and environmental protection. At present, it has been widely used in 35KV power transformation and distribution fields such as photovoltaic and wind power.

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FPFD1X Southern Power Grid Fee-Controlled Single-Phase One-Meter Energy Metering Box

FPFD1X Southern Power Grid Fee-Controlled Single-Phase One-Meter Energy Metering Box

The FPFD1X is a compact single-phase energy metering box designed for single-meter installations. Engineered in compliance with Southern Power Grid standards and featuring integrated fee-controlled functionality, it provides a secure, organized, and reliable metering solution for utility companies, individual residential units, small commercial storefronts, and standalone utility metering points, ensuring accurate energy measurement, efficient power distribution, and convenient fee management for a single user.

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FPFD6X Southern Power Grid Fee-Controlled Single-Phase Six-Meter Energy Metering Box

FPFD6X Southern Power Grid Fee-Controlled Single-Phase Six-Meter Energy Metering Box

The FPFD6X is a compact single-phase energy metering box designed to accommodate up to six single-meter installations in a single enclosure. Engineered in compliance with Southern Power Grid standards and featuring integrated fee-controlled functionality, it provides a secure, organized, and reliable metering solution for utility companies, multi-unit residential buildings, apartment complexes, and commercial facilities, ensuring accurate energy measurement, efficient power distribution, and convenient fee management across multiple tenants or units.

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