Which poles of a DC MP style Masterpact breaker are protected?

Issue:
Which poles of the MP Masterpact DC breaker have protection?

Product Line:
MP Style Masterpact Breakers

Resolution:
Poles 1 and 3 (from the left when looking at the breaker from the front) contain trip mechanisms. However, since the poles are always connected in series, the entire breaker and circuit has protection.

Released for: Schneider Electric USA