ABB, XT1H series, molded case circuit breaker, XT1HU3020AAA00HXXX, XT1H 125 frame, TMF 20-500 thermal-magnetic fixed trip unit, 3-pole, line/load terminals, UL/CSA certified.
The 125 A frame gives the physical bus capacity; the actual continuous current rating depends on the trip unit installed (not stated in this order code). UL 489 listing certifies it as a branch-circuit protective device for North American panels; CSA C22.2 No. 5 covers Canadian installations.
The lifecycle stage is confirmed current — ABB has not issued a phase-out notice for this order code. No official successor exists; the XT1H series remains the active platform for this frame size.
No official successor or pin-compatible alternative is listed for this order code. The XT1H series is the active platform; any substitute would require matching the 125 A frame, TMF trip range, 3-pole configuration, and UL/CSA certification — verify with the trip curve and busbar layout before specifying.
Sourced and quoted to order against an RFQ through independent distribution. Availability and current pricing confirmed at quote time.
UL and CSA certifications are listed on the order code. RoHS and REACH compliance documentation is typically available from ABB for the XT1H series — confirm at time of order.
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