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Breaking capacity

The rated ultimate short-circuit breaking capacity Icu is the maximum value of the short-circuit current which the protective device is capable of disconnecting in accordance with regulations. Up to this value, the protective device is also allowed to be used in a network.

The new 3VA molded case circuit breakers are available with identical external dimensions but various breaking capacity classes according to size and rated operational current range.

Switching capacity of the 3VA1 series

Switching capacity of the 3VA2 series

O. r.

On request

1)

In 125 A, 160 A: Icu / Ics = 36 kA / 36 kA

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