Engineered for industrial power systems, the 30A T1N030TL delivers reliable thermal-magnetic LI protection. This 3-pole MCCB is part of the legacy SACE Tmax T1 frame group. Designed for panel mounting, it fits perfectly into ABB Spectra and ReliaGear panelboards. It helps maintain legacy systems before upgrading to the XT1 series replacement. With a 22kAIC rating at 480VAC, it includes double insulation, HACR certification, and reverse feed capabilities.
Which panelboards are compatible with the T1N030TL circuit breaker?
This T1 frame breaker is designed for use in ABB Spectra panelboards, ABB ReliaGear panelboards, and ABB Tmax enclosures. It mounts directly to the panel chassis using standard feed-thru connections.
What type of wire is permitted for the standard lugs on this breaker?
The factory-installed lugs accept copper (Cu) conductors only, accommodating wire sizes from 14 AWG up to 1/0 AWG. Aluminum wiring is not supported with the standard terminal configuration.
What does the LI designation indicate on the T1N030TL trip unit?
The LI code signifies a thermal-magnetic trip unit providing Long-Time (L) overload protection and Instantaneous (I) short-circuit protection. Both the thermal and magnetic trip thresholds are fixed and cannot be adjusted in the field.
Can this molded case circuit breaker be used in DC systems?
Yes, it is rated for DC applications up to 500VDC, providing a 25kA interrupting capacity at both 250VDC and 500VDC. Ensure proper pole wiring configurations as required by ABB guidelines for DC voltages.
How does the Tmax T1 frame compare to the newer Tmax XT series?
The T1N030TL belongs to the legacy SACE Tmax family. While the newer SACE Tmax XT1 series offers similar electrical characteristics, the legacy T1 frame is typically required for direct physical replacements in existing Spectra and older Tmax installations without modifying the panel hardware.
Does this breaker require a specific mounting hardware kit for ReliaGear panelboards?
Yes, installing a Tmax T1 frame breaker into a ReliaGear or Spectra panelboard requires the appropriate mounting bracket or strap kit specific to the panelboard type. The breaker itself is a standard panel mount, feed-thru device and does not include the panel bus connections.
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