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Switchboards and Switchgear are ideal for larger power
distribution systems. IER maintains one of the largest switchboard
inventories in North America to meet quick deliveries and can customize it
as needed to meet your specific application.  We carry Siemens SB1 and SB3 switchgear from 1200a to 4000a indoor and outdoor rated, as well as stainless steel and fiberglass.  We manufacture custom enclosures with custom configurations.  Main Breaker or Main lug and almost any configuration of distribution available. We can supply your gear with digital metering or simple analog dials.  Custom built in a quick ship time frame to meet your immediate needs.  We can design and build your custom gear in as little as 1 day.  This equipment is IN STOCK and ready for Quick Ship.

product range

Voltage: 600 V
Amps: Up to 5,000 A
NEMA: 1 or 3R
Interrupt: 200k
Main Buss:

  • 65C Copper and Aluminum
  • High Density (Cu and Al)
  • 200k AIC Bracing
  • 6,000 A Max Main Buss


Stainless Steel: 304 or 316
Skid mount for mobile applications
Custom Metering Positions
Custom Utility Metering
Integrated Lighting Panels
Front and Rear Aligned
Rear Accessible
Custom Buss-way Connections

Custom Transitions Sections:
VFD Systems
Custom Panels

stock items

NEMA 1: Up to 5,000A
NEMA 3R: Up to 5,000A