Delivering 80 amps of continuous current capacity, this 3-pole MCCB provides essential thermal-magnetic protection. The unit is engineered for robust performance across various commercial and industrial power distribution networks. The breaker mounts into ABB ReliaGear neXT panelboards using a standard unit mount configuration. It functions as a substitute for the discontinued T1S080TW circuit breaker. Rated for 35kAIC at 480V, the device ensures high-level fault interruption.
What wire sizes are accepted by the terminal lugs on the XT1SU3080AYD000XXX?
The factory-installed lugs accept copper or aluminum conductors ranging from 10 AWG up to 2/0 AWG.
Can the XT1SU3080AYD000XXX be used outside of ABB ReliaGear neXT panelboards?
Yes. While it is engineered to integrate seamlessly into ReliaGear neXT systems, its standard unit mount design allows it to be installed in standalone enclosures and custom control panels configured for the XT1 frame footprint.
Can this breaker be used to replace older ABB Tmax T1 models?
Yes, the XT1SU3080AYD000XXX functions as a direct substitute for the discontinued T1S080TW molded case circuit breaker, allowing you to update older panels to the current SACE Tmax XT series.
Can this 3 pole XT1 breaker be applied in direct current (DC) systems?
Yes, the thermal magnetic trip unit allows this breaker to protect DC networks. It carries a maximum direct current rating of 250VDC with a 42kA interrupting capacity.
Are the overcurrent trip thresholds adjustable on the XT1SU3080AYD000XXX?
No, this model is equipped with a basic thermal magnetic trip unit. Both the thermal (long-time) and magnetic (instantaneous) pickup levels are fixed at the factory and cannot be field modified.
Does this XT1 breaker plug directly into a panelboard busbar?
No, this is a unit mount, or bolt-on, circuit breaker. It must be mechanically fastened to a mounting plate or backpan rather than snapping or plugging directly onto a bus.
What interrupting capacity class does the XT1SU3080AYD000XXX fall under?
The S in the part number designates it as the standard performance tier for the XT1 series, which yields a 35kA short circuit interrupting rating at 480VAC.
Is this ABB XT1 circuit breaker UL listed for North American installations?
Yes, it meets both UL 489 and CSA C22.2 standards, making it fully certified for safe operation as a molded case circuit breaker in US and Canadian electrical systems.
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