Designed to handle substantial electrical loads, this 1200-amp molded case circuit breaker incorporates advanced microprocessor-based LSI trip functions. It fastens into compatible Spectra Series switchboards, panelboards, and motor control centers. The two-pole device provides a robust 50kAIC rating at 480VAC alongside true RMS sensing capabilities. Facilities upgrading their infrastructure can replace this model with the XT7SU312EFFF000XXX by utilizing an ABB retrofit kit.
HACR Rated, Reverse Feed, True RMS Sensing, Interchangeable Rating Plug, Solid State Trip, High Interrupting Capacity, 2-Pole in 3-Pole Housing
Product FAQs
5 answers
What enclosures and equipment are compatible with the SKHA26AT1200 circuit breaker?
This SK-frame breaker is designed for use in GE Spectra Series panelboards, switchboards, and motor control centers.
Does the SKHA26AT1200 require a rating plug to operate?
Yes, all GE Spectra RMS circuit breakers require a front-mounted, interchangeable rating plug (such as the SRPK1200A series) to establish the continuous ampere rating. The breaker will not function properly without a rating plug installed.
What protection features does the LSI electronic trip unit provide on this breaker?
The solid-state electronic trip unit allows for precise coordination by offering adjustable settings for Long-Time, Short-Time, and Instantaneous (LSI) trip functions. It utilizes true RMS sensing to accurately monitor both sinusoidal and non-sinusoidal currents.
What size wire is accepted by the standard lugs on the SKHA26AT1200?
The standard lug configuration for this 1200A breaker accepts four 250 kcmil to 500 kcmil aluminum or copper (Al/Cu) conductors per phase.
Why might this breaker arrive with ABB branding instead of General Electric?
ABB acquired GE Industrial Solutions, including the Spectra RMS line of circuit breakers. Depending on the manufacturing date, the SKHA26AT1200 may feature either ABB or GE branding, but both are identical in form, fit, and function.
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