At EMI our years of experience in switchboard design and manufacturing allows for an unprecident flexability in custom design to meet all your electrical distribution needs. We manufacture a complete line of service entrance, fusible distribution, circuit breaker distribution, utility metering for single or multilpe tenants and special application switchboards. Switchboards can incorperate transfer switches for emergency power as required.   These switchboards are listed by UNDERWRITERS LABORATORIES when applicable and appropriate. EMI specializes in the design and fabrication of additional sections of switchgear to match and connect to the cross bus of existing switchgear regardless of the manufacturer. Back to back, "L" shaped, and other special lineups can be provided as required.

Please click on this link to view more information on comercial and residential apartment multiple tenant metering switchboards .

Standard switchboards are TYPE 1 freestanding enclosures fabricated of code gauge steel and phosphatized, primed and painted as required. Standard construction is rail and panel design with internal structure componets and rear cover plates fabricated of G90 galvanized steel, unless otherwise specified. All switchboards are built in accordance with ANSI standards, U/L 891 and NEC.

Standard dimensions are 42 inches wide x 90 inches high or 38 inches wide x 90 inches high. The standard depth is 24 inches for switchboards through 2000 amps and 30 inches for switchboards from 2001 through 4000 amps. Special size switchboards are commonly supplied for space restricted and other special applications. TYPE 3R and TYPE 12 enclosures can be provided as required.  

Standard bus structure is fabricated of electrical grade tin plated aluminum rated at 750 amps per square inch current density. Silver plated copper bus rated at 1000 amps per square inch current density is available as required. Standard bus bracing is 50,000 amp short circuit rating. Bus bracing up to 100,000 amp short circuit rating is available as required.

Solid state zero sequence ground fault protection is available as required. Phase loss, phase reversal and low line voltage protection with shunt trip or capacitive discharge shunt trip are also available. Surge arrestors and surge capacitors are utilized as specified.

Instrumentation is available as follows:

Please contact our sales or engineering department.

sales@e-m-i.com

engineering@e-m-i.com

COMPONENT PARTS

OUR primary suppliers of components
for our equipment are:
BOLTSWITCH
SIEMENS ENERGY & AUTOMATION

WE will also build with the following components to meet customer job requirments.
CUTLER-HAMMER
GENERAL ELECTRIC
ABB
MERLIN GERLIN
ALLEN BRADLEY
SQUARE D

EMI supplies the following
components and parts:
Metering Switchboard Disconnect Kits
Fusible Switches
Circuit Breakers
Pullout and Connecting Hardware
Panelboards
Fuses
Bus Bars
Electric Insulators
PLC's
Operator Interface Terminals
Variable Frequency Drives (VFD)
Protective Relays
Lugs
Customer Metering Devices
Push Buttons
Selector Switches
Panel Indicators
Current Transformer
Potential Transformer
Dry Type & Oil Transformers
Snake Skin Edging
Ground Bar Assemblies
Steel Enclosures