Engineered for commercial and industrial power distribution, the ABB XT1SU3110AYD000XXX is a 3-pole, 110A molded case circuit breaker from the SACE Tmax XT family. It provides reliable thermal-magnetic protection with fixed long-time and instantaneous (LI) trip functions. This unit mount MCCB installs into ABB ReliaGear NeXT panelboards and serves as a drop-in replacement for legacy Tmax T1 series breakers. Rated 35kAIC at 480VAC, it features a current-limiting, double-insulated design.
HACR Rated, Current Limiting, Reverse Feed, Double Insulated
Product FAQs
8 answers
How does this unit-mount XT1 breaker install into ReliaGear NeXT panelboards?
While this is a unit-mount breaker, it can be installed into ReliaGear NeXT power panelboards and ReliaGear SB switchboards using the appropriate XT1 mounting bracket and rail kits.
Can the XT1SU3110AYD000XXX be reverse fed?
Yes, power can be supplied from the bottom terminals of this XT1 breaker up to its maximum voltage rating without affecting its protective capabilities.
Is this 3-pole breaker suitable for single-phase applications?
Yes, ABB XT1 three-pole circuit breakers are marked and suitable for single-phase applications up to 347VAC.
What does the "S" in the XT1S frame designation indicate?
The "S" denotes the Standard interrupting rating tier for the Tmax XT1 family, which provides a 35kA interrupting capacity at 480VAC.
Are the standard lugs on this breaker compatible with aluminum wiring?
Yes, the included front flat terminal lugs accept both copper and aluminum conductors ranging from 10 AWG to 2/0 AWG.
Is the XT1SU3110AYD000XXX HACR rated?
Yes, this Tmax XT1 molded case circuit breaker is HACR certified for use with heating, air conditioning, and refrigeration equipment.
What protection does the fixed LI trip unit provide?
The thermal-magnetic LI trip unit provides fixed long-time (L) protection against overloads and fixed instantaneous (I) protection against short circuits.
Can the XT1SU3110AYD000XXX replace older ABB Tmax T1 or GE Spectra breakers?
Yes, the Tmax XT1 series is the direct replacement for legacy ABB Tmax T1 breakers. It can also replace legacy GE Spectra E-frame breakers when used with the appropriate ABB retrofit kit.
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