What this part is
The ABB XT4HU3150DFF000XXX is a 3-pole molded case switch (MCS) from the XT4H-D series, rated 150 A with an interrupting rating of IM=3000, built to UL/CSA standards.
Sourcing and availability
Because the lifecycle stage is current, this switch is sourced to order against an RFQ through independent distribution — no last-time-buy or broker channel needed.