Designed for ReliaGear neXT panelboards and SB switchboards, this 15-amp molded case breaker includes factory-supplied line side connectors and load side lugs. The three-phase component mounts into compatible ABB enclosures, functioning as a precise substitute for the discontinued T1N015TW model. Featuring a fixed thermal-magnetic trip mechanism, it delivers 50kA interrupting capacity at 240VAC and 25kA at 480VAC while maintaining a compact XT1 frame footprint for commercial systems.
Line Side Connector (1SDA114241R1), Load Side Lugs (1SDA075837R1)
Standards
CSA C22.2 No. 5, IEC 60947-2, UL 489
Approval
CCC, CE, CSA, EAC, IEC, KEMA, RINA, UL, VDE
Temp Rating
-25C to 70C
Construction Features
HACR Rated, Double Insulated, Reverse Feed
Product FAQs
7 answers
Which panelboards and switchboards are compatible with the XT1NU3015AYD000XXX?
This XT1 frame breaker is designed for use with ABB ReliaGear neXT panelboards, ReliaGear SB switchboards, and SACE Tmax XT enclosures. It includes factory-supplied line-side connectors specifically for these systems.
What wire sizes are accepted by the load-side lugs on this breaker?
The factory-installed load-side lugs accept 10 AWG to 2/0 AWG copper or aluminum (Cu/Al) wire.
Are the thermal and magnetic trip settings adjustable on this 15A breaker?
No, this breaker features a fixed thermal and fixed magnetic trip unit. The Long-Time (L) and Instantaneous (I) protection settings cannot be adjusted in the field.
What does the LI trip function code mean on this breaker?
The LI designation indicates that the trip unit provides Long-Time (L) protection for overloads and Instantaneous (I) protection for short circuits.
Can the XT1NU3015AYD000XXX be used in DC power systems?
Yes, this breaker is rated for DC applications up to 250VDC, providing a 35kA interrupting capacity at that voltage.
What does the N in the XT1NU3015AYD000XXX part number indicate?
The N designates a Normal interrupting rating tier within the Tmax XT family, which provides a 50kAIC rating at 240VAC and 25kAIC at 480VAC.
Does this Tmax XT breaker replace older legacy ABB models?
Yes, the SACE Tmax XT series serves as the modern replacement for legacy ABB Tmax T1 series breakers, upgrading older installations with the same compact footprint.
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