Accessories
3.1 Accessories for connection and insulation
3VA27 molded case circuit breakers & 3WL10 air circuit breakers
94 Manual, 10/2018, L1V30499596002-01
Phase barriers provide insulation between the individual phases of the circuit breaker. They
are installed in the front termination area between the phases of the fixed-mounted breaker
version.
Note
You will find connections that necessitate mandatory insulation measures in Chapter
Isolating distances and insulating equipment
(Page 156).
In these cases, the measures are contained in the scope of delivery by default.
Rear connections of the fixed
-mounted breaker version and the entire withdrawable breaker
do not require insulation measures.
-mounted breaker version with rear connections, the low terminal cover
nevertheless permits optimum front touch protection.
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