Three-Phase Emergency Power Distribution Switchgear – 1250A

This three-phase emergency power distribution switchgear – 1250a is designed for medium-voltage distribution, feeder control, and switching duty in substations, utility networks, and industrial power systems. It provides structured enclosure design, protection and interlocking options, and configurable ratings to suit project-based MV applications.

The Three-Phase Emergency Power Distribution Switchgear – 1250A is a low-voltage switchgear and distribution assembly for incomer, feeder and motor control duty in industrial plants, commercial buildings and infrastructure projects. Busbar rating, form of separation and device mix follow the technical parameters below and your single line diagram.

Withdrawal type, protection devices, metering and communication interfaces are configured per project rather than from a fixed catalogue. Assemblies are wired and routine-tested in the factory, and documentation is issued to match your project handover requirements.

Technical Parameters & Ratings

IEC / ANSI CertifiedFactory Standard
Rated Voltage12 kV / 24 kV / 33 kV / customized
Rated Current1250 A
Frequency50 Hz / 60 Hz
PhaseThree Phase
Structure TypeFixed-type low-voltage switchgear
Insulation TypeAir insulated
StandardIEC / GB / customized project specification
InstallationIndoor / outdoor according to enclosure design
ApplicationDistribution substations / industrial plants / building electrical systems

Technical Highlights

  • This product combines structured cabinet design, practical electrical coordination, and project-specific configuration flexibility. It is suitable for power systems that need reliable switching or control performance, organized maintenance access, and scalable options for monitoring, communication, and protection.

Application Scenarios

  • Utility feeder control systems
  • Substations and transformer stations
  • Industrial plants and process power systems
  • Urban distribution networks
  • Renewable power distribution and collector systems

Key Features

  • Designed for medium-voltage feeder control, switching, and protection functions
  • Structured cabinet configuration suitable for substations, utility feeders, and industrial power systems
  • Available with project-specific rated current, protection relay, and interlocking options
  • Supports flexible busbar and feeder configuration according to application requirements
  • Indoor enclosure design with practical maintenance and operating access
  • Suitable for IEC or project-based export specification packages

Optional Configurations

  • Rated current and short-time withstand current
  • Protection relay brand and function package
  • Incoming/outgoing feeder arrangement
  • Automation and communication interface
  • Cabinet dimensions, finish, and busbar layout
  • Accessory package and interlock scheme
  • Color, nameplate language, and document package
  • Ambient temperature, altitude, and installation condition adaptation

Frequently Asked Questions

What is this low voltage panel used for?

It handles low-voltage power distribution, outgoing feeder management and plant-side electrical control in commercial and industrial facilities. Tell us your load list and single line diagram and we will configure it.

Can the panel be built to our single line diagram?

Yes. Rated current, busbar rating, form of separation, protection devices, metering and communication interface (RS485, Modbus) are all specified per project rather than selected from a fixed catalogue.

What enclosure protection is available?

Indoor panels are built to IP40 as standard and IP54 where dust or water exposure is expected. Confirm the installation environment and we will match the enclosure rating to it.

Which standards does it comply with?

Panels are designed to IEC 61439 and the GB equivalent. If your project specifies ANSI, UL or another standard, confirm the applicable clauses with us before production.

What do you need to provide a quotation?

Your single line diagram, rated current and voltage, short-circuit rating, number and type of outgoing ways, enclosure preference, and quantity. Drawings are enough to start.

Typical Applications

The Three-Phase Emergency Power Distribution Switchgear – 1250A is specified in projects such as:

  • Main incomer and busbar distribution in LV rooms
  • Outgoing feeder and motor control centres
  • Power factor correction and metering sections
  • Commercial building riser and distribution panels
  • Process plant and water treatment distribution

Manufacturing & Factory Testing

Switchgear and panel assembly at our works, with quality control checkpoints through production and complete routine testing before dispatch:

  • Sheet metal fabrication, busbar fabrication and harness wiring in-house
  • Mechanical operation and interlock verification on every assembly
  • Routine tests: insulation resistance, power-frequency withstand, functional checks and wiring verification
  • Type test reports for the assembly design available on request

Technical Drawing

LV Switchgear Distribution Panel Single Line Diagram - technical drawing for lv switchgear
LV switchgear single line diagram (illustrative). Final drawings are issued per order.

Delivery, Warranty & OEM Support

  • Typical lead time: 30 days from order confirmation for standard ratings; custom configurations are confirmed at order stage
  • Warranty: 2 years, with technical support available throughout the service life
  • OEM / ODM supported: private labelling, nameplate language and document packages
  • Seaworthy export packing; documentation set includes routine test reports, installation manuals and general arrangement drawings

Need a quotation for the Three-Phase Emergency Power Distribution Switchgear – 1250A? Send your single line diagram and ratings to our sales team and our engineers will confirm the configuration, lead time and price.

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