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NOARK Switchboards

May 27, 2026

NOARK Switchboards

NOARK Electric’s MxS Series LV Power Distribution Switchboards provide a reliable, efficient, and cost-effective solution for electrical power distribution in commercial and industrial facilities. Designed for low-voltage circuits (under 600V), these switchboards play a critical role in ensuring continuity of supply, electrical safety, and preventing hazards like fires, electrocution, and equipment damage.

Key Benefits

  • Safe and reliable distribution of electricity
  • Protection against electrical hazards with circuit breakers and fuses
  • Steady power flow to ensure operational continuity
  • Reduced risk of equipment failure and extended equipment lifespan
  • Improved operational safety and profitability

Features

  • 5000A maximum main bus rating
  • 600 Vac and below
  • Optional 847Vac Rating
  • Front or rear accessible
  • Indoor or outdoor enclosures
  • ANSI-61 gray powder coat paint finish
  • Metering, monitoring and communication devices
  • Utility metering provisions
  • Surge protective devices (SPD)
  • Ground fault protection
  • Busway and transformer connections
  • 65 kAIC standard bus bracing
  • Copper bus
  • Meets NEMA Standard PB-2 and UL891

Ratings

  • 480Vac, 600Vac, 3 Phase 3 Wire
  • 480Y/277Vac, 3 Phase 4 Wire
  • 600Y/347Vac, 3 Phase 4 Wire
  • NEMA Type 1 or Type 3R Enclosure

Incoming Type

NOARK Switchboards
Main Breaker Only up to 4000A:
  • 600A to 1200A MCCB (Fig 1)
  • 600A to 4000A ACB (Fig 2)
  • Fixed or Drawout ACB (600A to 4000A)
    Bus Material: Tin Plated CU 
  • Bus Bracing:  65kA or 100kA
Main Lug Only up to 5000A:
NOARK Switchboards
  • 600A to 5000A
  • Phase: 3P3W or 3P4W
  • Bus Material: Tin Plated CU
  • Bus Bracing: 100kA
Options
  • Cable In/Cable Out Main Breaker
  • LI, LSI, LSIG Protection on ACB Mains (See Fig 3)
  • ELMS; Energy Limiting Maintenance Switch (See Fig 4)
  • 100kAIC bus bracing
  • 200% Rated Neutral
NOARK Switchboards
NOARK Switchboards

Source

More Information

Switchboards: Effective Electrical Power Distribution for Commercial and Industrial Facilities

In the modern world, switchboards are the essential components at the heart of any electrical system, offering control, protection, and distribution of power. Learn why swicthboards are critical for the smooth operation of commercial and industrial facilities. Read More

Download the LV Switchboard Catalog

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