The 5SL6402-6CC: The B-curve trips between 3 and 5 times rated current (6–10 A), which is standard for resistive and lighting loads where inrush isn't severe. Four poles give you full isolation on three-phase plus neutral, common for three-phase sub-distribution in European-style panels.
RoHS compliant since 01-06-13, and REACH Article 33 declares lead (CAS 7439-92-1) above 0.1% w/w in the candidate list. Export controls are AL: N / ECCN: N, so no special licensing for cross-border shipment. The product class is B (return restricted — contact your Siemens partner for returns), but sourcing for new builds is straightforward through independent distribution.