The XT1SU3060AFF000XXX is part of ABB's SACE Tmax XT1 series. This 3-pole, 60A molded case circuit breaker provides robust protection for commercial power systems. Engineered for unit mount configurations, it installs into ReliaGear SB switchboards and enclosures. It also serves as a modernized replacement for legacy Tmax T1 breakers. Featuring a fixed thermal-magnetic trip unit, it delivers a 35 kAIC rating at 480VAC. It is HACR rated and current limiting. Lugs are not included.
What does the S in the XT1SU3060AFF000XXX part number signify?
In the ABB SACE Tmax XT nomenclature, the S designates the short circuit performance level. For the XT1 frame, the S tier provides an interrupting rating of 35kA at 480VAC and 65kA at 240VAC.
Are the trip settings adjustable on the XT1SU3060AFF000XXX?
No, this breaker features a fixed thermal and fixed magnetic trip unit. The long-time (L) and instantaneous (I) protection settings are factory calibrated for 60 amps and cannot be adjusted in the field.
Can this 60A ABB breaker be used in DC circuits?
Yes, the XT1SU3060AFF000XXX is rated for DC applications up to 250VDC, providing an interrupting capacity of 42kA. Ensure proper pole wiring configurations as specified by ABB for DC systems.
What type of mounting does this XT1 breaker require?
This is a unit mount, bolt-on circuit breaker. It installs directly to the enclosure backpan or mounting plate using standard hardware, rather than plugging into a base or busbar.
Which switchboards are compatible with the XT1SU3060AFF000XXX?
This breaker is designed for use in ABB ReliaGear SB switchboards and standard enclosures that accept unit mount, bolt-on XT1 frames.
What type of terminal connections are included on this breaker?
The XT1SU3060AFF000XXX comes equipped with standard front lug terminals for wire connections.
What faults does the thermal magnetic trip unit protect against?
The thermal magnetic trip unit provides dual protection. The thermal element (long-time) protects against overloads, while the magnetic element (instantaneous) protects against short circuits.
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