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14 – Continued –
General Technical Information
620 for Electrical Equipment in Hazardous Environments

4 IECEx and ATEX 100a Approvals

TOPJOB S Rail-Mounted Terminal They provide major cost savings and sim-
®
Blocks plicity to WAGO customers:
The IECEx certificate (approval no. IECEx ● Double inventories are no longer
PTB 03.0004U) awarded to WAGO necessary for standard and Exe rail-
®
for the TOPJOB S rail-mounted terminal mounted terminal blocks.
blocks, which first debuted at the Han- ● The time-, cost- and space-saving fea-
nover Fair 2003, is one of the first ten tures of the system automatically apply
certificates that have been issued world- to EXe applications.
wide thus far. It is the fourth certificate of
this type (reference no. ...0004U) that ● Project planning is essentially per-
has been published online by the Ger- formed using a single range of rail-
man certification body PTB in Braunsch- mounted terminal blocks.
weig (publication dated December 15, ● Enhanced plant safety: Standard termi-
2003). nal blocks cannot be accidentally used
These rail-mounted terminal blocks are in Exe areas.
also certified for use in Exe applications ● The IECEx certificate is valid for the
according to Atex 100a. Both approv- international trade of Ex equipment.
als are available for all through terminal
blocks, as well as ground conductor ter-
minal blocks.

Other WAGO products with IECEx approval are available upon request.