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3WL10 air circuit breaker
The 3WL10 air circuit breaker is a current-carrying circuit breaker with IEC certification (3WL1)
and is an addition to the existing 3WL1 IEC portfolio. It has the following characteristics:
• Frame size 0 (FS 0) with a rated current I
• Optionally available either as a fixed-mounted version or as a withdrawable version
• An especially high I
3VA27 molded case circuit breaker
The 3VA27 molded case circuit breaker is a current-limiting circuit breaker with IEC certification
and is an addition to the existing 3VA IEC portfolio. It has the following characteristics:
• Frame size 1600 A with a rated current I
• Choice of two designs:
– as a handle operating mechanism, e.g. as an additional manual operating mechanism
– as a stored energy mechanism for integration of internal spring charging motors (external
• Optionally available either as a fixed-mounted version or as a withdrawable version
• An especially high I
3VA27 molded case circuit breakers & 3WL10 air circuit breakers
Equipment Manual, 10/2023, L1V30499596002-03
value (up to 50 kA 1 s) and I
cw
dimensions are not affected by this)
value (up to 110 kA @415 V) and I
cu
2.5 Basic properties of the circuit breaker (3WL10 / 3VA27)
of 630 A to 1250 A
n
value (up to 66 kA @440 V)
cu
of 800 A to 1600 A
n
value (20 kA 1 s)
cw
Description
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