Built for heavy-duty environments, the ABB XT4LU3200AY8000XXX is a 3-pole, 200A molded case circuit breaker. It utilizes thermal-magnetic technology for reliable LI circuit protection. Designed for unit mounting, this breaker fits ABB ReliaGear neXT panelboards and SB switchboards. It is an exact substitute for the legacy T4L200TW model. With a 100kAIC rating at 480V, this HACR-rated breaker features fixed trip settings and reverse feed capability. Lugs are not included.
Current Limiting, HACR Rated, Reverse Feed, Double Insulation, Positive Operation
Product FAQs
6 answers
Which panelboards are compatible with the ABB XT4LU3200AY8000XXX?
This XT4L frame circuit breaker is designed for use in ABB ReliaGear neXT panelboards and ReliaGear SB switchboards.
Does the XT4LU3200AY8000XXX replace any legacy ABB breakers?
Yes, this XT4 breaker is an exact substitute for the legacy Tmax T4L200TW molded case circuit breaker.
What does the L in the XT4L frame designation indicate?
The L indicates an Extra High interrupting capacity level, providing a 100kAIC rating at 480VAC.
What wire sizes are accepted by this 200A breaker?
When equipped with standard lugs, this breaker accepts wire gauges ranging from 3/0 AWG to 350 kcmil.
Can the XT4LU3200AY8000XXX be used in DC electrical systems?
Yes, this thermal-magnetic breaker is rated for DC applications, providing 85kAIC at 250VDC and 75kAIC at 600VDC.
Are the trip settings adjustable on this XT4 breaker?
No, this breaker features a fixed thermal and fixed magnetic trip unit, meaning the long-time and instantaneous protection settings cannot be adjusted.
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