About This Manual; Target Group; Abbreviations And Symbols - Eaton ZEB XTOE Handbuch

10/13 MN03402007Z-DE/EN

Target group

Abbreviations and
symbols

About this Manual

This manual applies to ZEB12, ZEB32, ZEB65, ZEB150,
ZEB225A overload relays and the corresponding equivalent
overload relays with type declaration XTOE and C440.
The manual describes the overload monitoring suitable for
the protection of Ex e motors in potentially explosive atmo-
spheres.
This manual is aimed at specialist personnel who are respon-
sible for the installation, commissioning and maintenance of
overload relays.
Symbols used in this manual have the following meanings:
Ex e Ignition protection type "Increased Safety"
I Starting Current
A
I Rated Operational Current
N
Sira Certification Service
Certification Body: Accredited certification authority
for devices operated
t Temperature rise time
E
The temperature rise time t
temperature of a winding rises from the final temper-
ature in normal operation to the limit temperature
when a starting current is present I
X Indicates actions to be taken.
is the time in which the
E
.
A
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