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Product overview

Main distribution switchboard

Main distribution switchboards bring incoming power and outgoing feeders into one coordinated low-voltage lineup. The documented base family covers systems up to 600 VAC and 5,000 A, with sectional construction and device arrangements selected to suit the facility one-line.

Manufacturer low-voltage distribution assembly example

Indicative specifications

Operating voltage
Up to 600 VAC
Main current
Up to 5,000 A
Frequency
60 Hz
Enclosure options
NEMA 1 / NEMA 3R

Indicative lineup ratings vary with the selected devices and enclosure. Exact configuration, certification, price, and lead time are confirmed for the quoted project.

Typical construction

Features described for the base switchboard family.

  • Modular vertical sections for main and feeder devices.
  • Separate device, bus, and cable compartments.
  • Top and bottom horizontal cableways for control wiring.
  • Rear access to bus and cable compartments.
  • Front- or rear-connected device arrangements, by lineup design.

Lineup selection

Define these requirements with the project specification.

  • Define the main device, feeder count, and individual circuit ratings.
  • Specify bus, neutral, grounding, and cable connection requirements.
  • Select indoor or outdoor enclosure requirements and access direction.
  • Identify metering, protection settings, and spare-device space.
  • Confirm the complete assembly short-circuit rating and device combinations.

Typical applications

Central low-voltage distribution for:

  • Commercial facilities
  • Industrial facilities
  • Infrastructure

Need specifications or a quote?

Start with ratings, quantity, location and your required date. Mention any confidentiality requirements before sending drawings.

Request a quote