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Engineering
34
01/11 MN03402003Z-DE/EN
Example: I
A
/I
N
= 6, t
E
= 10 s
Figure 5:
Tripping characteristic for motor-protective
circuit-breaker
The motor is reliably protected.
Short-circuit protection of
the motor-protective
circuit-breakers
The following table 2 shows the short-circuit breaking
capacity of the PKZM0/XTPR…BC1 motor-protective
circuit-breakers.
Fuse can be interconnected in the upstream circuit to
increase the switching capacity to 100 kA.
2
5
20
50
200
1
2
5
10
20
40
1
2
5
10
20
2h
1.5 2
3 4
6
8 10
15 20
30
PKZM0-.../
XTPR...BC1
Seconds
Minutes
Milliseconds
3-phase
2-phase
Rated current
Tripping time
Содержание PKZM0-0,16/XTPRP16BC1
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