GXGN D-12 12kV Outgoing Feeder Cabinet for Medium Voltage Power Distribution

Product Overview

The GXGN D-12 Outgoing Feeder Cabinet is a fixed-type indoor 12kV medium voltage metal-enclosed switchgear developed by Changyun Intelligent for three-phase AC 50Hz power distribution systems. Designed for reliable power receiving, distribution, protection, and feeder control, it is widely used in substations, industrial plants, commercial buildings, utilities, and infrastructure projects.

The switchgear adopts air insulation combined with vacuum circuit breaker technology, providing excellent electrical insulation, high switching performance, and long service life. Its modular construction, intelligent control system, and compact footprint make it an ideal solution for modern medium-voltage distribution networks.

To meet different project requirements, the control circuit supports multiple auxiliary power supplies, including DC 48V, DC 110V, DC 220V, and AC 220V, ensuring flexible integration into various power systems.

Key Features

Reliable Vacuum Switching Technology

The cabinet utilizes a high-performance vacuum circuit breaker with excellent arc-extinguishing capability, ensuring safe interruption of load currents, overload currents, and short-circuit faults while minimizing maintenance requirements.

Compact Design with Space-Saving Structure

The optimized cabinet layout significantly reduces installation space while maintaining excellent electrical performance. It is particularly suitable for compact substations and projects where switchroom space is limited.

Modular Construction for Easy Installation

The breaker compartment adopts a modular plug-in design with dual guide rails, simplifying transportation, installation, commissioning, and future maintenance. The standardized structure also supports efficient mass production and component replacement.

High Internal Arc Protection

Designed to comply with 20kA / 0.5s internal arc classification, each functional compartment is equipped with pressure-relief channels and explosion-proof flaps to safely release internal arc pressure, significantly improving operator safety and equipment reliability.

Intelligent Operation & Remote Control

The GXGN D-12 supports both local and remote operation, making it suitable for distribution automation systems and smart grid applications.

Features include:

• Electric operating mechanism
• Remote opening and closing
• SCADA integration
• Distribution automation compatibility
• Front-access maintenance design

Complete Five-Prevention Safety Interlocking

A comprehensive mechanical interlock system effectively prevents operational errors by ensuring safe operating sequences, including:

• Preventing incorrect breaker operation
• Preventing operation under load
• Preventing accidental grounding
• Preventing access to live compartments
• Preventing unsafe switching procedures

This design greatly enhances both personnel safety and equipment protection.

Technical Specifications

Applications

The GXGN D-12 Outgoing Feeder Cabinet is widely used in medium-voltage distribution systems where reliable feeder protection and power control are required.

Typical applications include:

• Utility substations
• Urban power distribution networks
• Industrial plants and manufacturing facilities
• Commercial buildings and shopping malls
• Hospitals and healthcare facilities
• Airports and railway stations
• Data centers
• Renewable energy projects
• Compact prefabricated substations
• Mining and heavy industrial power systems

The cabinet can be configured as:

• Outgoing Feeder Cabinet
• Incoming Cabinet
• Bus Coupler Cabinet
• Voltage Transformer (PT) Cabinet
• High-Voltage Metering Cabinet
• Protection & Control Cabinet

allowing flexible system design for various distribution projects.

Why Choose Changyun Intelligent?

With over 17 years of manufacturing experience, Changyun Intelligent specializes in medium and low voltage power distribution equipment for global utility and industrial customers.

We provide:

• Complete in-house manufacturing
• Advanced CNC sheet metal fabrication
• Strict quality inspection
• OEM & ODM services
• Fast project customization
• Professional engineering support
• Worldwide export experience

Every GXGN D-12 cabinet undergoes comprehensive factory testing before shipment, ensuring stable performance, operational safety, and long-term reliability.

FAQ

What is the GXGN D-12 Outgoing Feeder Cabinet used for?

It is used for receiving, distributing, protecting, and controlling electrical power in 12kV medium-voltage distribution systems.

Does the cabinet support remote operation?

Yes. It supports electric operation and can be integrated with SCADA and distribution automation systems for remote monitoring and control.

What protection level does the cabinet provide?

The enclosure protection level is IP4X, and the cabinet complies with 20kA internal arc resistance requirements for enhanced operational safety.

Can the cabinet be customized?

Yes. Changyun Intelligent offers OEM and customized configurations, including feeder cabinets, incoming cabinets, PT cabinets, metering cabinets, and bus coupler solutions.