The SKPP3608L3XX is a 3-pole, 800A molded case circuit breaker from GE's Spectra RMS family. Built for commercial and industrial applications, it provides robust power distribution. This bolt-on MCCB installs into GE Spectra Series panelboards, switchboards, and motor control centers. For legacy upgrades, it is replaced by the ABB Tmax XT7 via retrofit kit. Rated 100 kAIC at 480V, it features a microEntelliGuard electronic trip unit with adjustable LSI functions and true RMS sensing.
100% Rated, Extra High Interrupting Capacity, Current Limiting, Reverse Feed, True RMS Sensing, Visual Trip Indicator, Interchangeable Trip Unit
Product FAQs
8 answers
What equipment is the SKPP3608L3XX compatible with?
This bolt-on molded case circuit breaker installs directly into GE Spectra Series panelboards, switchboards, and motor control centers.
Does this breaker require a rating plug to operate?
Yes. Spectra RMS breakers equipped with microEntelliGuard trip units require a front-mounted rating plug, such as the GTP series, to establish the continuous current rating.
Can the SKPP3608L3XX be reverse fed?
Yes. All GE Spectra RMS molded case circuit breakers are suitable for reverse feed applications and do not have line or load markings.
What adjustments does the LSI trip function allow?
The microEntelliGuard electronic trip unit provides adjustable Long-Time, Short-Time, and Instantaneous settings. This allows precise tuning of overload and short circuit protection for optimal system coordination.
Are terminal lugs included with this circuit breaker?
No. Lugs are not included and must be sourced separately. You will need to select an SK frame compatible lug kit based on your specific wire gauge and material requirements.
Why is this breaker branded as both ABB and General Electric?
ABB acquired GE Industrial Solutions in 2018. Depending on the manufacturing date, the SKPP3608L3XX may carry either ABB or GE branding, but the physical dimensions and technical specifications remain identical.
What is the modern replacement for this legacy SK frame breaker?
For upgrading older systems, the SKPP3608L3XX is typically replaced by the ABB Tmax XT7 series. This upgrade requires a specific retrofit kit to adapt the new breaker to the existing Spectra enclosure.
How does true RMS sensing benefit my electrical system?
True RMS sensing allows the solid state trip unit to accurately monitor current and prevent nuisance tripping, even when dealing with non-sinusoidal loads generated by variable frequency drives, welders, or computer power supplies.
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