Built for commercial and industrial applications, the ABB XT4HU3200AY8000XXX 3-pole, 200A MCCB belongs to the SACE Tmax XT family. It features a fixed thermal-magnetic trip unit for reliable overcurrent protection. This unit-mount breaker installs into ReliaGear SB switchboards and serves as a direct replacement for legacy T4H200TW breakers. Rated for 65kAIC at 480VAC, it includes factory-installed line and load lugs accommodating 3/0 AWG to 350 kcmil wiring.
HACR Rated, Current Limiting, Reverse Feed, Double Insulation, Positive Operation
Product FAQs
7 answers
Can the ABB XT4HU3200AY8000XXX be used to replace legacy GE Spectra circuit breakers?
Yes. Following ABB's acquisition of GE Industrial Solutions, the SACE Tmax XT series replaces legacy GE Spectra RMS breakers. You can install this XT4 breaker into existing Spectra panelboards and switchboards using the appropriate Tmax XT plug-in retrofit kit, such as the SRFB6XT4FPX for F-frame replacements.
What legacy ABB circuit breaker does the XT4HU3200AY8000XXX directly replace?
This XT4 frame breaker serves as a direct replacement for legacy ABB T4H200TW circuit breakers.
What does the H in the XT4H frame designation indicate?
The H indicates a High interrupting capacity. For this 200A breaker, it provides a maximum interrupting rating of 150kA at 240VAC and 65kA at 480VAC.
Is the ABB XT4HU3200AY8000XXX considered a current-limiting circuit breaker?
Yes. The Tmax XT4H frame is classified as a UL 489 current-limiting circuit breaker. It is designed to extinguish arcs quickly, limiting the peak let-through current and energy during a short circuit to protect sensitive downstream equipment.
What wire sizes are compatible with the factory-installed lugs on this breaker?
The standard line and load lugs on the XT4HU3200AY8000XXX accept copper or aluminum wire ranging from 3/0 AWG to 350 kcmil.
Which modern ABB panelboards and switchboards are compatible with this XT4 breaker?
This unit-mount breaker is designed for use in ABB ReliaGear neXT panelboards, ReliaGear SB switchboards, and SACE Tmax XT panelboards.
What type of trip unit is equipped on the XT4HU3200AY8000XXX?
This breaker features a fixed thermal-magnetic trip unit (TMF) with fixed Long-Time (L) and Instantaneous (I) protection functions.
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