Accessories
4.7 Locking and interlocking
3VA molded case circuit breakers with IEC certificate
Manual, 03/2019, A5E03603177010-03
381
The following interlock combinations are possible:
● All molded case circuit breakers 3VA11 / 3VA12 / 3VA13 / 3VA14 and 3VA20 / 3VA21 /
3VA22 / 3VA23 / 3VA24 can be independently interlocked.
● Mutual interlocks can be implemented between all 2-pole, 3-pole and 4-pole molded case
circuit breakers.
When a rear interlock is installed between two 3VA molded case circuit breakers, the
following combinations of handle position are possible:
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