Siemens SENTRON VL Series System Manual page 92

3VL molded-case circuit breaker
4.1 Brief description
General data
1) Size-dependent
2) TM up to In = 630 A
3) Motor protection up to In = 500 A
4) With COM20/COM21 from release 2
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① Vectorial summation current formation (3-conductor system)
② Vectorial summation current formation (4-conductor system)
③ Direct recording of the ground-fault current in the neutral point of the transformer
3WL/3VL circuit breakers with communication capability - PROFIBUS
Ground-fault protection
System Manual, 03/2011, A5E01051353-02