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Siemens · 10/2014
3WL Air Circuit Breakers
3WL air circuit breakers/non-automatic air circuit breakers up to 6300 A (AC), IEC
Project planning aids
Size III, up to 6300 A, withdrawable version, 3- and 4-pole
Blue lines: 4-pole version
& Grooves (4 mm wide, 5 mm deep) for
supporting phase partitions in the system
( Auxiliary connector with SIGUT screw terminals
) Auxiliary connector with spring-type connections
* Dimension to inside surface of the closed cabinet door
+ 3WL in operating position
, 3WL in test position
- 3WL in disconnected position
. Fixing holes, diameter 9 mm
/ Terminal face
0 Circuit breaker upper edge, only 1000 V circuit breakers and circuit break-
ers with breaking capacity C
1 Arc quenching space, 1000 V circuit breaker and circuit breaker with
breaking capacity C facing grounded or non-conductive surfaces
Safety clearances to grounded parts and to live parts,
see page 41.
Standard version
Horizontal connection, up to 5000 A
Optional connection variants
Vertical connection up to 6300 A
Flange connection, up to 4000 A
Front connection (single)
Front connection (double hole)
according to DIN 43673
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