INTERFACE PROTECTION UNIT COMPLIANT WITH ITALIAN STANDARD CEI 0-21, JUNE 2012 EDITION FOR trifazat SYSTEM, IN LOW tensiune, DUAL THRESHOLD MINIMUM AND MAXIMUM tensiune AND FREQUENCY PROTECTION, 230VAC - 400VAC.
INTERFACE PROTECTION UNIT COMPLIANT WITH ITALIAN STANDARD CEI 0-21, JUNE 2012 EDITION FOR trifazat SYSTEM, IN LOW tensiune, DUAL THRESHOLD MINIMUM AND MAXIMUM tensiune AND FREQUENCY PROTECTION, 230VAC - 400VAC