Siemens Sentron 3VA Manual page 204

Accessories
4.3 Connection system
Rear connection studs flat can be ordered:
● as a pack of 3 (2 short connection studs flat and 1 long connection stud flat)
● as a pack of 4 (2 short connection studs flat and 2 long connection studs flat)
● as a pack of 1 (1 short connection stud flat)
● as a pack of 1 (1 long connection stud flat)
Note
In order to achieve degree of protection IP40, terminal covers (short version) must also be
attached when a rear connection stud is installed.
202
3VA molded case circuit breakers with UL and IEC certification
Manual, 01/2019, L1V30435333-01