Built for commercial applications, this 60A, 3-pole MCCB is a core component of the ABB SACE Tmax XT1 series. It features a standard configuration with front flat terminals and fixed thermal-magnetic trip functions. The breaker mounts into ABB ReliaGear neXT, SB switchboards, and SACE Tmax XT panelboards. It acts as an exact substitute for discontinued T1N060TL components. Delivering a 25kAIC interrupt rating at 480VAC, it is HACR rated, current limiting, and double insulated.
Shunt Trip, Auxiliary Switch, Undervoltage Release, Padlock Attachment, Motor Operator, Rotary Handle, DIN Rail Adapter
Accessories
None (Standard Configuration)
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
9 answers
Can I install the XT1NU3060AFF000XXX in older GE Spectra RMS panelboards?
Yes. Because ABB acquired GE Industrial Solutions, the Tmax XT series is the direct replacement for legacy GE Spectra RMS breakers. You can install this breaker into existing Spectra panelboards and switchboards using an ABB Tmax XT retrofit kit.
Does the ABB Tmax XT1 series replace any discontinued GE circuit breakers?
Yes. The ABB Tmax XT series replaces the retired GE Spectra RMS line. Using the appropriate retrofit kits allows you to upgrade older GE installations with modern Tmax XT breakers while maintaining UL listings.
What is required to mount this breaker into a legacy GE Spectra plug-in panelboard?
To install the XT1NU3060AFF000XXX into a legacy GE Spectra plug-in board, you must use a dedicated ABB Tmax XT retrofit kit. The kit includes the necessary hardware to adapt the bolt-on breaker to the existing plug-in modules.
What does the LI trip function code indicate on the XT1NU3060AFF000XXX?
The LI designation means the thermal magnetic trip unit provides Long-Time (L) protection against overloads and Instantaneous (I) protection against short circuits. Both the thermal and magnetic trip thresholds are fixed on this specific model.
Is the XT1NU3060AFF000XXX suitable for direct current applications?
Yes. This breaker is rated for DC systems up to 500VDC, providing a 36kAIC interrupting rating at both 250VDC and 500VDC.
Will using this ABB breaker in a GE panelboard void the UL listing?
No. When installed with the correct ABB retrofit kits or in compatible ReliaGear neXT panelboards, the installation maintains its UL listing without requiring additional certification.
Can the thermal or magnetic trip settings be adjusted in the field?
No. The XT1NU3060AFF000XXX features a fixed thermal and fixed magnetic trip unit. If your application requires adjustable trip settings, you will need a different breaker within the Tmax XT family equipped with an adjustable or electronic trip unit.
What is the maximum amperage capacity of the Tmax XT1 frame?
The ABB SACE Tmax XT1 frame supports a maximum continuous current rating of 125A. The XT1NU3060AFF000XXX is specifically configured with a 60A trip unit within this 125A frame size.
Can the XT1NU3060AFF000XXX be reverse fed?
Yes. The Tmax XT1 frame has reverse feed capabilities, meaning power can be supplied from the bottom terminals up to the maximum voltage rating without compromising the protection features.
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