Built to handle demanding electrical loads, the ABB XT1SU3025AYD000XXX is a 25A, 3-pole molded case circuit breaker. It utilizes a thermal-magnetic trip unit with long-time and instantaneous (LI) protection functions. This breaker mounts into ABB ReliaGear neXT panelboards, ReliaGear SB switchboards, and SACE Tmax XT enclosures. It provides an exact cross-reference for replacing legacy T1N025TL components.
Shunt Trip, Auxiliary Switch, Undervoltage Release, Padlock Attachment, Motor Operator, Rotary Handle, DIN Rail Adapter
Accessories
Lugs (Line & Load)
Standards
CSA C22.2 No. 5, IEC 60947-2, UL 489
Approval
CE, CSA, cULus, IEC, UL
Temp Rating
-25C to 70C
Construction Features
HACR Rated, Reverse Feed, Double Insulated
Product FAQs
6 answers
What panelboards and switchboards accept the XT1SU3025AYD000XXX breaker?
This unit mount breaker is designed for use in ABB ReliaGear neXT panelboards, ReliaGear SB switchboards, and SACE Tmax XT panelboards.
Are the factory lugs on the XT1SU3025AYD000XXX rated for aluminum wire?
Yes, the included lugs are dual-rated for both copper (Cu) and aluminum (Al) conductors. They accept wire sizes ranging from 10 AWG to 2/0 AWG.
Is the XT1SU3025AYD000XXX suitable for direct current (DC) systems?
Yes, this breaker is rated for DC applications up to 250VDC, providing an interrupting capacity of 42kA at that voltage.
Does the XT1SU3025AYD000XXX feature an adjustable trip unit?
No, this specific 25A model features a thermal magnetic trip unit with fixed thermal and fixed magnetic settings.
What protection types are provided by the LI trip unit on this breaker?
The LI designation indicates that the trip unit provides Long-Time (L) protection against overloads and Instantaneous (I) protection against short circuits.
Can the XT1SU3025AYD000XXX be mounted directly to a DIN rail?
Out of the box, this is a unit mount breaker designed for bolt-on installation. It requires a separate ABB DIN rail adapter bracket to be mounted on a standard 35mm DIN rail.
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