Built for commercial power distribution, the XT1NU3035AYD000XXX is a 3-pole MCCB from ABB's SACE Tmax XT1 family. It provides reliable long-time and instantaneous (LI) protection. This unit-mount breaker installs into ABB ReliaGear neXT panelboards and SB switchboards. It also serves as a direct replacement for legacy T1N035TL breakers. Rated 25kAIC at 480VAC, it features a fixed thermal-magnetic trip unit (TMF) and includes load-side lugs for secure connections.
Shunt Trip, Auxiliary Switch, Undervoltage Release, Padlock Attachment, Motor Operator, Rotary Handle, DIN Rail Adapter
Accessories
Load Side Lugs (FC CuAl)
Standards
CSA C22.2 No. 5, IEC 60947-2, UL 489
Approval
CE, CSA, cULus, HACR, IEC, UL
Temp Rating
-25C to 70C
Construction Features
HACR Rated, Reverse Feed, Double Insulated
Product FAQs
6 answers
What panelboards are compatible with the XT1NU3035AYD000XXX?
This unit mount breaker is designed for use with ABB ReliaGear neXT Panelboards, ReliaGear SB Switchboards, and SACE Tmax XT Panelboards.
What wire sizes do the standard lugs on this breaker accept?
The included lugs accept wire gauges ranging from 10 AWG to 2/0 AWG. Ensure proper torque specifications are followed during installation.
Can this 35A breaker be used in DC applications?
Yes, the XT1NU3035AYD000XXX is rated for DC applications. It provides an interrupting capacity of 36kA at both 250VDC and 500VDC.
What does the LI trip function indicate on this Tmax XT1 breaker?
The LI designation means the thermal magnetic trip unit provides Long-Time (L) overload protection and Instantaneous (I) short-circuit protection. Both the thermal and magnetic trip thresholds are fixed on this specific model.
Is the XT1NU3035AYD000XXX suitable for reverse feeding?
Yes, ABB Tmax XT1 thermal magnetic circuit breakers are suitable for reverse feed applications. Power can be supplied from the bottom terminals up to the maximum voltage rating.
Can this breaker be used to replace older GE Spectra series breakers?
Yes, ABB Tmax XT breakers are the direct replacements for legacy GE Spectra RMS breakers. When upgrading existing Spectra panelboards or switchboards, a Tmax XT retrofit kit is required for installation.
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