Moeller Wiring Manual 02/05 - Klockner Moeller Parts

Moeller Wiring Manual 02/05
Contactors and Relays
ZEV electronic motor-protective system
Tripping characteristics Tripping characteristics for 3 phase loads
Seconds Minutes
2h
100
15
10
5
2
1
ZEV 3 pole
CLASS 40
35
30
25
20
20
10
7
15
5 10
3
CLASS 5
2
11
2 3 4 5 6 78910 x Setting current
Tripping limits for 3 pole balanced load
Response time
< 30 min. at up to 115 % of the set current
> 2 h at up to 105 % of the set current from cold
These tripping characteristics show the
relationship between the tripping time from cold
to the current (multiples of set current IE ). After
preloading with 100 % of the set current and the
temperature rise to the operational warm state
associated with it, the stated tripping delays are
reduced to approx. 15 %.
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