Rated at 65 kAIC at 480VAC, the XT1HU3035AYD000XXX is a 3-pole, 35-amp molded case circuit breaker from the SACE Tmax XT family. It features fixed thermal and magnetic trip settings to ensure dependable long-time and instantaneous (LI) protection for commercial and industrial electrical systems. This unit mount breaker installs into ABB ReliaGear neXT panelboards, ReliaGear SB switchboards, and Tmax XT enclosures. It functions as a drop-in replacement for the legacy T1H035TW breaker.
What panelboards and enclosures are compatible with the XT1HU3035AYD000XXX?
This XT1 frame breaker is designed for installation in ABB ReliaGear neXT Panelboards, ABB ReliaGear SB Switchboards, and ABB SACE Tmax XT Enclosures.
What wire sizes and materials are supported by the lugs on this XT1 breaker?
The factory-installed lugs accept 10 AWG to 2/0 AWG conductors. They are rated for use with both copper (Cu) and aluminum (Al) wire.
Does this breaker support direct current (DC) applications?
Yes, the XT1HU3035AYD000XXX is rated for up to 250VDC with an interrupting capacity of 50kA, making it suitable for specific DC power systems.
What does the LI trip function code indicate on this thermal-magnetic breaker?
The LI designation means the trip unit provides protection against overloads (Long-Time, L) and short circuits (Instantaneous, I). Both the thermal and magnetic trip thresholds are fixed on this specific model and cannot be adjusted.
Can this unit-mount breaker be installed on a DIN rail?
The XT1HU3035AYD000XXX is a unit-mount breaker designed for base mounting. Installing it on a standard 35mm DIN rail requires a separate ABB DIN rail mounting bracket accessory.
How does the interrupting rating (AIC) change based on the system voltage for this breaker?
The short-circuit interrupting capacity scales with voltage. It provides 100kA at 240VAC, 65kA at 480VAC, and 25kA at 600VAC or 347VAC.
Is this breaker part of the GE or ABB product line?
It is part of the ABB SACE Tmax XT family. Following ABB acquiring GE Industrial Solutions, this breaker is used in both ABB and legacy GE ReliaGear panelboards and switchboards.
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