When sourcing Schneider Electric MCBs, buyers must prioritize authenticity verification to prevent electrical hazards. Ensure the product features a clear QR code or anti-counterfeiting label that can be verified via the official Schneider Electric system. Key technical specs to confirm include the Breaking Capacity (e.g., 6kA, 10kA), which must match your local grid requirements, and the Tripping Curve (Type B, C, or D) based on the load type (resistive vs. inductive). Always request IEC 60898-1 or IEC 60947-2 compliance certificates.