Short-Circuit Protection Of The Overload Relay - Eaton ZE/XTOM Series Manual

09/15 MN03407003Z-DE/EN
Short-circuit protection of
the overload relay
i
Type
ZE-0.16
ZE-0.24
ZE-0.4
ZE-0.6
ZE-1.0
ZE-1.6
ZE-2.4
ZE-4
ZE-6
ZE-9
ZE-12
The short-circuit protection of the ZE/XTOM overload relay
can be partially implemented either with or without a fuse.
The type of coordination is related to the type of DILEEM or
DILEM/XTMC contactor that is used (a following Table2).
Warning!
According to EN 60947-4-1 only type of coordination "2"
may be used for the protection of EEx e motors.
Table 2: Overview of short-circuit protection with ZE/XTOM
relays
Short-circuit
current
rating I
kA
XTOMP16AC1 100
XTOMP24AC1 100
XTOMP40AC1 100
XTOMP60AC1 100
XTOM001AC1 100
XTOM1P6AC1 100
XTOM2P4AC1 100
XTOM004AC1 100
XTOM006AC1 100
XTOM009AC1 100
XTOM012AC1 100
1) According to IEC/EN 60947
Short-circuit protection of the
overload relay
With fusing
Type of coordination
q
1)
„1"
A gG/gL
20
20
20
20
20
20
20
35
35
35
35
1)
„2"
A gG/gL
0.5
1
2
2
4
6
6
20
20
20
20
37