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Medium Voltage Switch

By | Blog, Electrical, Manufacturing, Social Posts

Switch Features

    • 5kV and 15kV voltage classes
    • 600A and 1200A continuous load interrupting ratings for 5kV and 15kV classes
    • 400A continuous and load interrupting ratings for 5kV
    • Manual and electrical operation
      • Indoor or outdoor non-walk-in enclosures
      • NEMA pads for cable lugs
      • Surge Arresters
      • Instrument transformer capabilities
    • Front Access – 36″W x 40″D small installation
    • 80kA and 100kA asymmetrical momentary switches available – 2000A to 4000A non-load break – torque lock

Construction Features:

  • Provisons for padlocking door
  • Inspection window
  • Foot-operated door stop
  • Door interlock safety barrier
  • Provisions for door and switch key interlocks
  • Switch interlock
  • Red-Green switch position indicators
  • Provisions for padlocking switch open or closed
  • NEMA 3R construction with sloped roof (optional NEMA 1 flat roof)
  • Optional 18″ (depth) rear extension to accomodate other cable directions
  • All 1200A 1/4 x 3 silver-plated bus 65-degree C rise – 61kA RMS – 95kV bil peak design – tin optional
  • 1/4 x 2 Silver-plated copper ground bus – fully grounded closure
  • Optional condesnation heaters
  • Conforms to UL – NEMA – CSA – ANSI/IEEE C37.20 standards
  • Acommodates all type fuses – fuse clips up to 300A
  • Other sizes are available

>> Download Medium Voltage Brochure <<

IER’s 5kV and 15kV Load Interrupter Switchgear has been constructed with an integrated assembly of switches, bus, and fuses designed for meidum voltage circuit protection. Our medium voltage Switchgear provides reliable, safe switching and fault protection for circuits rated from 2.4kV to 15kV. IER’s Switchgear is ideal for applications where high-duty cycle operation is not required.
The quick-make, quick-break mechanism carries full-load current-interrupting capabilityies while current-limiting fuses provide accurate, premanently calibrated short-circuit detection and interrupting capacities. Blade position visibility greatly improves safety by assuring electric circuit de-energization.

Multi-Building Cable Tap Termination Box

By | Blog, Electrical

Compatible with Entergy, Oncor, CenterPoint and we can custom build per your Service Provider Standards. IER is an approved Centerpoint fabricator.

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3500A PT/CT Cabinet

By | Electrical | No Comments

So glad to be a part of this project and support another Texas brand with HEB of Kingwood Place and to provide them with a truly electric solution! This 3500A Cable Tap Box will have its opening around Mid-November, just in time for those Thanksgiving sales!

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To read the full article and more about the development, click here

Patriot Day 2019

By | Electrical

Never Forget - 9/11

Take time today to remember the tragic event that changed us all forever. Never forget the many brave first responders and heroes that risked it all. Never forget the lives that were lost that day, the peace of a nation shattered as we all watched terror in motion. We’ll never truly stop mourning the losses of that fateful day

Watch the Live Memorial

CenterPoint Service Entrance

By | Electrical
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Download Complete Flyer

Portable Cell Tower Upgrades

By | Blog, Electrical, Motor Control
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One of the many Portable Cell Towers that we are helping to mobilize through the replacement of the complete electrical control system. The job consisted of upgrading all Wiring, Motor Controls Panel and both Electric Motors that control the vertical and horizontal movement of the tower. We here at IER were more than happy to do so for our client!

Oncor Tap Cans or Tap Boxes

By | Electrical
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Dallas Tap Cans & Tap Boxes with ONCOR specs

IER manufactures Electrical Tap Cans built to ONCOR specifications for the Dallas & Ft. Worth area. We offer standard enclosures ranging from 40″H x 30″W x 18″D to 48″H x 48″W x 24″D and custom sizes are available upon request. All of our Electrical Tap Cans come in NEMA 1, 3R, 4, 4X, Stainless Steel (304-316), Aluminum, or Carbon Steel enclosures. We also offer hot dip galvanize versions upon request. Tap Box current ratings available up to 6,000 amps. Contact your IER representative or your local electrical distributor for an immediate quote. IER can provide complete drawings and assist in getting your products approved for any utility district, not just the Dallas Ft. Worth area.

IER manufactures both UL Listed tap cans and non-UL tap boxes depending on your needs. All terminations must be made in accordance with NEC guidelines, connection lugs are not provided.

As an Original Equipment Manufacturer (OEM), our complete in-house manufacturing capabilities allow for fast service. IER’s experienced team of engineers, designers and knowledgeable sales staff can provide fast service on high quality electrical equipment .

>> Click Here to download the Oncor Tap Box Flyer <<