Directory > Business > Electronics and Electrical > Electromechanical > Relays and Solenoids > Engineering VB-Controls for ssr or scr contactors VB-Controls designs ssr, scr, and igbt based contactors for power control. Using thyristors, mosfets, or silicon controller rectifiers, VB-Controls manufactures zero crossing or phase angle controllers. http://www.vb-controls.com Reviews Rating: Not yet Rated
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Parc Systems Provide protective relay testing and comissioning, circuit breaker testing, and training courses on protective relays. http://www.parcsystems.com Reviews Rating: Not yet Rated
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