Ratings and protection profile
The Siemens 3VA2340-8HN42-0AA0 is a 4-pole IEC molded case circuit breaker from the 3VA2 series, Frame 400, with a breaking capacity class L rated Icu=150 kA at 415 V. The ETU350 electronic trip unit provides LSI protection: long-time (Ir) adjustable 160 A to 400 A, short-time (Isd) 1.5–10 x Ir, and instantaneous (Ii) fixed at 10 x In. Neutral conductor protection is configurable (OFF, 50%, 100% of phase setting). This trip unit gives you selectivity and coordination flexibility that a thermal-magnetic breaker cannot match.
RoHS compliant since 01-04-14, with a REACH Article 33 disclosure for lead (CAS 7439-92-1) above 0.1% w/w. No UL listing is stated in the record; the design follows IEC 60947-2.
Panel-mount design for a 4-pole IEC frame. Packaging dimensions 265 x 210 x 170 mm — plan enclosure space accordingly.