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News

全系列等级 B 漏电保护和监控设备

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 CIRCUTOR extends the range for total earth leakage protection

All protection elements installed upstream must have the same or higher rating than those installed downstream, never lower, in order to guarantee the correct operation of the selective classification process. Therefore, if Type B is the maximum protection level of an element, a type A or AC unit cannot be installed downstream.

CIRCUTOR's range of Type B earth leakage protection units covers all the protection levels in your installation.

Why install Type B solutions?

Installing Type B earth leakage protection units ensures the safety of individuals and correct functioning for alternating current (AC), direct current (DC) or mixed current (AC/DC) intensities up to frequencies of 1 kHz.

Type A and AC earth leakage protection units do not detect smooth residual direct currents. Moreover, Type A units become more sensitive when a pulsating earth leakage current is accompanied by an smooth direct current. In these cases, protection is not as effective and compromises the expected safety levels.

 

Type B earth leakage protection and monitoring units:

 
 

See the catalog: Full range of Type B earth leakage protection and monitoring units

 
 

See our specialized article: The 3 essential rules for selectivity in earth leakage protection

 

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