Engineered for demanding commercial and industrial environments, the ABB XT1SU3035AYD000XXX is a 3-pole, 35A molded case circuit breaker from the SACE Tmax XT1 frame group. It utilizes a thermal-magnetic trip unit to provide precise long-time and instantaneous protection. Designed for unit mount installations, this breaker integrates into ABB ReliaGear neXT panelboards and replaces the older T1S035TW model. It comes equipped with load side lugs accepting 10 AWG to 2/0 AWG wire.
HACR Rated, Current Limiting, Double Insulated, Reverse Feed
Product FAQs
7 answers
Which panelboards are compatible with the XT1SU3035AYD000XXX circuit breaker?
This unit mount breaker is designed for integration into ABB ReliaGear neXT panelboards and ReliaGear SB switchboards. It requires a bolt-on installation and is not compatible with plug-in load centers.
Can the XT1SU3035AYD000XXX be used to replace older ABB Tmax breakers?
Yes, this SACE Tmax XT1 breaker serves as a direct replacement for the discontinued T1S035TW model, maintaining the same physical footprint and standard interrupting capacity.
What are the terminal specifications for wiring this breaker?
The breaker comes equipped with standard front terminals and load side lugs that accommodate 10 AWG to 2/0 AWG copper or aluminum wire. Ensure proper torque specifications are followed during installation as outlined in the ABB instruction sheet.
Can the XT1SU3035AYD000XXX be used in DC electrical systems?
Yes, thermal magnetic breakers in the Tmax XT1 family are rated for DC networks. This model supports up to 250VDC with a 42kA interrupting rating, alongside its standard AC ratings.
Are the thermal and magnetic trip thresholds adjustable on this model?
No. This breaker is equipped with a Thermal Magnetic Fixed (TMF) trip unit. Both the overload (thermal) and short circuit (magnetic) protection levels are factory set and cannot be modified by the user.
What interrupting capacity tier does the XT1SU3035AYD000XXX fall under?
The S designation in the part number identifies it as a standard tier breaker within the SACE Tmax XT1 family. This provides a 35kA interrupting rating at 480VAC, which covers most standard commercial distribution applications.
How is the XT1SU3035AYD000XXX mounted within a panelboard?
It is a unit mount, bolt-on circuit breaker. It requires secure, bolted connections to the busbar or mounting plate, providing high vibration resistance compared to plug-in alternatives.
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