Built for commercial and industrial power distribution, the ABB XT1HU3050AYD000XXX is a 50-amp, 3-pole molded case circuit breaker. It utilizes a fixed thermal-magnetic trip mechanism to deliver dependable long-time and instantaneous (LI) overcurrent protection. This breaker mounts into ABB ReliaGear neXT panelboards, SB switchboards, and Tmax XT enclosures. It is also an exact cross-reference replacement for older T1H050TW models. Featuring a 65kAIC rating at 480VAC, it is HACR rated.
Line Side Connector (1SDA114241R1), Load Side Lugs (1SDA075837R1)
Standards
CSA C22.2 No. 5, IEC 60947-2, UL 489
Approval
CCC, CE, CSA, EAC, IEC, KEMA, RINA, UL, VDE
Temp Rating
-25C to 70C
Construction Features
HACR Rated, Double Insulated, Reverse Feed, High Interrupting Capacity
Product FAQs
4 answers
What panels and enclosures are compatible with the XT1HU3050AYD000XXX?
This breaker is designed for use in ABB ReliaGear neXT Panelboards, ABB ReliaGear SB Switchboards, and ABB SACE Tmax XT Enclosures.
What wire gauge is supported by the lugs on this breaker?
The factory installed terminals accept copper (Cu) or aluminum (Al) wire ranging from 10 AWG to 2/0 AWG.
Are the trip curves on the XT1HU3050AYD000XXX field adjustable?
No, this unit features a thermal magnetic trip unit with fixed long-time and fixed instantaneous (LI) settings. The trip parameters cannot be adjusted.
How does the unit mount installation work for this XT1 breaker?
As a unit mount breaker, it requires direct physical fastening to the panel or backplate using hardware, rather than snapping or plugging directly into a modular busbar.
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