Delivering robust power distribution capabilities, this 600A, 3-pole MCCB is a core component of the ABB SACE Tmax XT5 family. It features a 65kAIC interrupting rating at 480VAC and an adjustable thermal-magnetic trip unit for customized overload and short-circuit protection. Equipped with standard front terminals, it mounts securely into industrial enclosures. With the proper retrofit kits, it serves as a seamless upgrade path for aging Spectra RMS SG600 and legacy Tmax T5H electronic breakers.
Which panelboards and switchboards are compatible with this XT5H circuit breaker?
This breaker is designed for use in ABB ReliaGear neXT panelboards, ReliaGear SB switchboards, and ABB SACE Tmax XT enclosures.
What wire sizes do the standard lugs on this 600A breaker accept?
The included lugs accept two 2/0 AWG to 500 kcmil copper or aluminum (Cu/Al) conductors per phase.
How does the thermal magnetic trip unit function on this breaker?
It features an adjustable thermal trip for overload protection and an adjustable magnetic trip for short-circuit protection, allowing you to fine-tune the breaker to your specific load requirements.
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 this molded case circuit breaker be used in DC power systems?
Yes, it is rated for DC applications up to 600VDC, providing a 70kA interrupting capacity at 250VDC, 50kA at 500VDC, and 35kA at 600VDC.
Can the XT5 series replace legacy GE or ABB circuit breakers?
Yes, with the appropriate retrofit kits, the Tmax XT5 series serves as an upgrade path for aging GE Spectra RMS SG600 and legacy ABB Tmax T5H breakers.
What does the H in the XT5H frame designation indicate?
The H indicates a High interrupting capacity tier within the Tmax XT family, which for this 600A frame provides a 65kAIC rating at 480VAC.
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