Built for demanding industrial applications, the SGHA26AT0600 is a 600A electronic trip MCCB. As part of the GE Spectra RMS family, it provides accurate true RMS sensing. This bolt-on unit is designed for GE Spectra Series panelboards. It can be replaced by the XT5NU360BFFF000XXX using the SRFB6XT5BFPX retrofit kit for modernization projects. Delivering 65kAIC at 240V, the breaker includes adjustable LSI protection, an interchangeable rating plug, and reverse feed capability.
Shunt Trip, Auxiliary Switch, Undervoltage Release, Bell Alarm, Lug Kits, Rating Plugs, Padlock Attachment, Motor Operator
Accessories
Lugs Not Included
Standards
CSA C22.2 No. 5, IEC 60947-2, NEMA AB 1, UL 489
Approval
CSA, IEC, UL
Temp Rating
40C
Construction Features
HACR Rated, Current Limiting, Reverse Feed, True RMS Sensing, Interchangeable Trip Unit
Product FAQs
8 answers
What enclosures are compatible with the SGHA26AT0600 circuit breaker?
This bolt-on breaker is designed specifically for use in GE Spectra Series panelboards and switchboards.
Can the SGHA26AT0600 be reverse fed?
Yes. All GE Spectra RMS circuit breakers are suitable for reverse feed applications and have no line or load markings, allowing power cables to be connected to either the upper or lower terminals.
What does the LSI designation mean on this breaker's trip unit?
LSI stands for Long-Time, Short-Time, and Instantaneous trip functions. This electronic trip unit allows for precise coordination in complex electrical distribution systems by letting you adjust the time-current curve for overloads and short circuits.
Why might my SGHA26AT0600 arrive with ABB branding instead of GE?
ABB acquired GE Industrial Solutions in 2018. Depending on the manufacturing date, this Spectra RMS breaker may be labeled as either ABB or GE, but the physical dimensions, fit, and electrical specifications remain identical.
What wire sizes are accepted by the lugs on the SGHA26AT0600?
The standard lugs accept either a single 8 AWG to 600 kcmil conductor or dual 2/0 AWG to 500 kcmil conductors per phase. They are compatible with both copper and aluminum wiring.
What is the proper torque specification for the lug connections on this 600A breaker?
Torque specifications vary depending on the exact lug kit installed and the wire size used. Always refer to the torque values printed directly on the lug or the lug kit instruction sheet to ensure a safe and secure connection.
Does the SGHA26AT0600 provide true RMS sensing?
Yes. As part of the Spectra RMS family, this breaker uses digital sampling to determine the true RMS value of both sinusoidal and non-sinusoidal currents for accurate overcurrent protection.
Does the SGHA26AT0600 require a rating plug to operate?
Yes. Like all GE Spectra RMS breakers, this unit requires a front-mounted rating plug to establish its continuous ampere rating. The plug determines the specific trip point up to the 600A maximum frame limit.
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