Siemens Sentron 3VA Manual page 322

Accessories
4.7 Locking and interlocking
Example of an interlock based on two 3VA UL molded case circuit breakers:
Scope of delivery
The order number includes the following items:
● 2 side plates
● 1 locking slide
Interlock combinations
The following interlock combinations can be implemented with the sliding bar:
● Interlocks can be implemented between the same rated current versions of molded case
circuit breakers:
– 3VA5 125 A with 3VA5 125 A
– 3VA5 250 A with 3VA5 250 A and 3VA6 150/250 A
– 3VA6 150/250 A with 3VA5 250 A and 3VA6 150/250 A
– 3VA6 400/600 A with 3VA6 400/600 A
● All 3-pole and 4-pole molded case circuit breakers of the same size can be interlocked.
320
3VA molded case circuit breakers with UL and IEC certification
Manual, 01/2019, L1V30435333-01