Powell Electrical’s Custom Designed metal-clad switchgear has been the standard of excellence for over 25 years. Powell Electrical has led the electric industry with quality and innovations to meet customer’s needs.
Through this continuous effort, Powell has now introduced POWL-VAC vacuum metal-clad switchgear, incorporating 25 years of custom design and ongoing testing to meet all applicable ANSI, IEEE and NEMA standards.
The ANSI test series is the basic criterion, and includes a complete range of momentary, current interruption, BIL, dielectric, continuous current and mechanical life tests.Since the successful completion of the ANSI testing in 1982 and the subsequent introduction of the POWL- VAC have completed over 100 installations throughout the United States and around the world.
Over 30 Years Providing Quality Products
The POWL-VAC is available in one or two high configurations with ratings to 3000 amperes, 100 MVA at 26kV. The POWL-VAC metal clad switchgear and circuit breaker meet all applicable ANSI, IEEE and NEMA standards.
The purpose of this technical catalog is to describe POWL-VAC Medium voltage metal-clad switchgear and to aid in the application and selection of POWL-VAC switchgear arrangements to meet the customer’s electrical and space requirements. Powell POWL-VAC type metal-clad switchgear with horizontal disconnect circuit breakers provides control and protection for generators, motors, transformers, capacitors, and all types of feeder circuit.
POWL-VAC metal-clad switchgear is available in ratings of 4.16, 7.2 and 13.8kV with maximum interrupting capacities of 350, 500 and 1000 MVA, respectively. POWL-VAC switchgear is the most extensive ever performed by Powell. Two years of research and development combined with extensive laboratory short circuit and other design testing ensures the customer the highest quality and performance vacuum circuit breaker in the industry.
Designed to Meet ANSI Standards C37.04, C37.06 and C37.20 Tested per ANSI standards C37.09 and C37.20
POWL-VAC circuit breakers have been ANSI tested and meet ANSI published maximum Symmetrical Ratings using applicable K factors (I.e., 48kA at 1000MVA).
Certified test reports of tests to ANSI standards available upon request.
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