Part of the SACE Tmax XT1 series, this 15A molded case circuit breaker provides reliable long-time and instantaneous (LI) protection for industrial applications. The unit-mount configuration installs into ABB switchboards and enclosures, serving as a modern replacement for legacy Tmax T1 series components. Rated for 50kA at 240VAC and 25kA at 480VAC, the device features a fixed thermal-magnetic trip unit and comes standard without lugs, allowing for customized terminal configurations.
What is the global part number for the XT1NU3015AFF000XXX?
This ABB Tmax XT breaker is also identified by the global part number 1SDA074634R1 and the catalog designation XT1N 125 TMF 15-500 3p F F UL/CSA.
Which panelboards are compatible with the XT1NU3015AFF000XXX breaker?
This bolt-on molded case circuit breaker is designed specifically for installation in ABB SACE Tmax XT panelboards and standard ABB switchboards.
What does the N signify in the XT1NU3015AFF000XXX catalog number?
The N indicates a Normal interrupting tier within the Tmax XT1 frame, delivering a maximum interrupting capacity of 50kA at 240VAC and 25kA at 480VAC.
Are the thermal and magnetic trip settings adjustable on this breaker?
No, this breaker features a Thermal Magnetic Fixed (TMF) trip unit. Both the long-time thermal protection and instantaneous magnetic protection are fixed and cannot be adjusted in the field.
What protection functions are included in the LI trip unit?
The LI designation means the breaker provides Long-Time (L) thermal protection against overloads and Instantaneous (I) magnetic protection against short circuits.
What mounting configuration does the XT1NU3015AFF000XXX use?
It is a unit-mount circuit breaker that utilizes a bolt-on connection to secure it directly to the chassis of compatible ABB switchboards and panelboards.
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