Engineered for commercial and industrial facilities, the XT4SU3200AY8000XXX is a 3-pole, 200A molded case circuit breaker from the SACE Tmax XT4 series. It integrates seamlessly into ReliaGear neXT panelboards, SB switchboards, and XT enclosures. This unit mount breaker serves as a modern replacement for legacy T4S200 models. Rated 35kAIC at 480V, it utilizes a fixed thermal-magnetic trip unit for dependable LI protection. The breaker is HACR rated and supports reverse feed setups.
What equipment is the XT4SU3200AY8000XXX compatible with?
This unit mount breaker is designed for seamless integration into ABB ReliaGear neXT panelboards, ReliaGear SB switchboards, and SACE Tmax XT enclosures.
What wire sizes are accepted by the terminals on this XT4S breaker?
The factory-installed lugs accept copper or aluminum (Cu/Al) conductors ranging from 4 AWG to 300 kcmil. Always ensure proper torque specifications are followed during installation to prevent terminal overheating.
Is the XT4SU3200AY8000XXX rated for direct current (DC) applications?
Yes, this thermal-magnetic breaker is fully rated for DC systems. It provides an interrupting capacity of 42kA at 250VDC and 50kA at 600VDC, making it suitable for solar, battery storage, or industrial DC control panels.
What does the LI trip function indicate on this Tmax XT4 breaker?
The LI designation means the thermal-magnetic trip unit provides Long-Time (L) overload protection and Instantaneous (I) short-circuit protection. On this specific model, both the thermal and magnetic trip thresholds are fixed and cannot be field-adjusted.
What does the 'S' in the XT4S frame designation indicate?
In the ABB SACE Tmax XT nomenclature, the 'S' designates the Standard interrupting capacity level. For the XT4 frame size, this corresponds to a 35kA short-circuit interrupting rating at 480VAC.
Can this breaker replace older GE F-frame breakers?
Yes, the ABB Tmax XT4 series is the direct replacement for legacy GE Record Plus and Spectra F-frame circuit breakers. When upgrading older panels, a specific retrofit or plug-in kit may be required to adapt the XT4 breaker to the existing GE enclosure.
How is the XT4SU3200AY8000XXX mounted?
This is a unit mount (bolt-on) breaker. It is designed to be securely fastened directly to the backpan or mounting plate of compatible enclosures, panelboards, or switchboards, rather than snapping onto a DIN rail or plugging into a busbar.
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