ABB ISOLTESTER-DIG-RZ

ABB ISOLTESTER-DIG-RZ PROVIDE PROTECTION FROM INDIRECT CONTACTS IN IT CIRUITS WITHOUT BREAKING THE CIRCUIT AT THE FIRST INDIRECT CONTACT. THEY ARE USED MOSTLY IN SYSTEMS WHERE RESIDUAL CURRENT DEVICES ARE NOT ALLOWED BECAUSE A SUDDEN SERVICE BREAKING COULD CAUSE SERIOUS INCONVENIENTS. DIRECT COMPONENT WITH DIGITAL FILTER.