Siemens 3VA1 100 A Manual page 79

Molded case circuit breakers
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N
Neutral conductor protection
At rated operational currents I
1)
Applies to I
> 63 A
2)
n
Dependent on circuit breaker size and rated operational current
3)
Parameters of the neutral conductor protection function
● Tripping current I
Adjustable as a proportion of the current setting (I
● Tripping delay:
Corresponds to the delay setting (t
● Tripping current of the short-time delayed short-circuit protection:
Corresponds to the short-time delayed short-circuit protection (I
● Tripping delay:
Corresponds to the delay setting for short-time delayed short-circuit protection (t
● Instantaneous short-circuit protection:
Corresponds to the tripping current (I
3VA molded case circuit breakers
Manual, 04/2015, A5E03603177010-02
≤ 63 A: I
= 40 % ... 100 % I
n
N
:
N
n
) for overload protection
r
) for overload protection
r
) for instantaneous short-circuit protection
i
Description
2.6 Protection system
)
sd
)
sd
79

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