Panelboards & Switchboards

As the backbone that keeps energy flowing correctly, both are engineered for seamless integration with transformer sites, delivering safe, efficient, and scalable power distribution.

Panelboards

They are the silent champions behind every streamlined electrical system. Designed to house and organize circuit breakers, fuses, and switches, panelboards serve as the nerve centers of electrical distribution, ensuring power flows safely and reliably from industrial transformers to every point of use. They enable operators to isolate loads, manage high-demand equipment, and minimize downtime - all while transforming raw transformer output into actionable, organized, and protected energy distribution.

Benefits

  • Streamlined Integration: Seamlessly interface with low- and medium-voltage transformers for smooth downstream power control.
  • Modular Design: Customize layouts to meet site-specific demands, from high-capacity industrial hubs to remote energy installations.
  • Enhanced Safety: Built-in protection ensures isolation and overload safeguards for personnel and equipment alike.
  • Operational Transparency: Simplify maintenance and upgrades with clear labeling, accessible components, and intuitive layouts.

Technical Specs (Typical Ranges)

Voltage Ratings:

  • 208Y/120V, 240V, 480Y/277V, 600V AC
  • 250V/600V DC (optional for specific applications)

Amperage Capacity:

  • Standard: 100A to 1,200A
  • Custom builds: Up to 4,000A

Short-Circuit Current Rating (SCCR):

  • Up to 200 kAIC at 480V
  • Coordination with upstream protection devices ensures compliance with NEC/ANSI standards

Bus Bar Material:

  • Copper or Aluminum (plated or bare)
  • Insulated and braced for mechanical and thermal stress

Enclosure Types:

  • NEMA 1 (indoor), NEMA 3R (outdoor), NEMA 12 (dust-tight), NEMA 4X (corrosion-resistant/stainless steel)

Mounting Options:

  • Surface or flush mount
  • Free-standing floor mount available for higher ampacity panelboards

Circuit Breaker Types:

  • Molded Case Circuit Breakers (MCCBs)
  • Insulated Case Breakers (ICBs)
  • Fusible switch options for heavy-duty applications

Metering & Monitoring:

  • Integrated metering (kWh, power factor, harmonics)
  • SCADA-ready with Modbus, BACnet, or Ethernet connectivity

Switchboards

Making powerful operations possible, they serve as the control center of an electrical system - housing switches, protective devices, and circuit breakers that safely manage power distribution. They ensure that the massive energy output from transformers is delivered smoothly, precisely, and securely to where it’s needed most.

Why Switchboards Matter

Transformers are built to step voltage up or down, powering everything from manufacturing plants to data centers. But without switchboards, that power lacks precision and control. They:

  • Seamlessly integrate with medium and low-voltage transformers to channel electricity with absolute control.
  • Protect critical infrastructure with built-in circuit protection and system isolation capabilities.
  • Enable intelligent energy management, giving operators real-time data and remote control over electrical distribution.
  • Support scalability with modular configurations that grow alongside your business needs.

Technical Specs

Voltage Ratings:

  • Low Voltage: Up to 600 V
  • Medium Voltage: 1 kV – 38 kV

Current Ratings:

  • Main Bus: Up to 6,000 A
  • Branch Feeders: 400 A – 3,000 A

Short Circuit Withstand Rating:

  • Up to 100 kA RMS Symmetrical (3-cycle)

Frequency:

  • 50/60 Hz standard

Bus Bar Material:

  • Tin- or silver-plated copper (standard)
  • Optional aluminum for cost-sensitive applications

Operating Temperature Range:

  • –25°C to +50°C (–13°F to +122°F)

Enclosure Types:

  • NEMA 1, 3R, 12, 4/4X (for indoor/outdoor and harsh environments)
  • IEC 60529: IP20 to IP65 available

Configuration Types:

  • Front-accessible, rear-accessible, or dual-access
  • Top or bottom cable entry

Protection Devices:

  • Molded Case Circuit Breakers (MCCBs)
  • Insulated Case and Power Circuit Breakers (ICCB/ACB)
  • Fusible switches or relay-based protection

Control & Monitoring:

  • Digital metering with real-time monitoring
  • SCADA-ready communication (Modbus, Ethernet/IP, IEC 61850)
  • Remote diagnostics and energy management integration

Standards Compliance:

  • UL 891 / UL 1558 (U.S.)
  • ANSI C37.20.1, C37.51
  • IEC 61439-1/2 (International)
  • CSA C22.2 No. 31 (Canada)

Customization Options:

  • Arc flash mitigation features
  • Seismic-rated construction
  • Integrated automatic transfer switch (ATS) capabilities
  • Custom paint, labeling, and branding for OEMs or utilities

Or contact a Transformer Specialist at 866-983-1300. We offer quick quote returns, fair pricing and speedy lead-times!