ABB ACS355 series Supplement Manual - Page 9

Browse online or download pdf Supplement Manual for Controller ABB ACS355 series. ABB ACS355 series 20 pages. Variable frequency drives in renewaire ventilators
Also for ABB ACS355 series: Quick Installation And Start-Up Manual (2 pages), Supplemental Manual (16 pages), Quick Installation And Start-Up Manual (2 pages), Installation Instructions (4 pages), Quick Installation And Start-Up Manual (4 pages), Installation Instructions (4 pages)

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Terms and abbreviations

Term

Description

ATEX

Directives 2014/34/EU and 1999/92/EC are commonly referred to as the

ATEX directives (from "Atmosphères Explosibles")

An IEC term used in the context of explosive atmospheres

Ex t, Ex tc

Electrical equipment protected by an enclosure and a surface temperature

limitation for use in explosive dust atmospheres.

Type of protection "t" is divided into three levels of protection based on the

risk of the electrical equipment becoming an ignition source in an explosive

dust atmosphere. Level of protection Ex tc is suitable in Zone 22.

Zone

An IEC term for explosive atmospheres. Explosive atmospheres are divided

into zones, according to the degree of hazard. The degree of hazard is

defined according to the frequency and duration of the occurrence of

explosive atmospheres.

ABB is not responsible for the implementation, verification and validation of the

overall system. It is the responsibility of the end user (or other party) who is

responsible for the overall system, system safety and compliance with ATEX/Ex

regulations.

The end user (or other responsible party) must make sure that the entire

implementation complies with all relevant standards, directives and local electrical

code, and that the system is tested, verified and validated correctly.

Introduction to the manual 9