ABB / General Electric SKHA26AT0800 Molded Case Circuit Breaker
- 800A
- 2 Pole
- Bolt-On
Quantity
ABB / General Electric SKHA26AT0800 - 800A 2 Pole Molded Case Circuit Breaker
New
Quantity
Description
Built for heavy-duty industrial applications, this 800-amp SK-frame breaker utilizes an interchangeable rating plug system for flexible LSI coordination. The bolt-on design fits seamlessly into GE Spectra Series panelboards and motor control centers. With a 50kAIC interrupting capacity at 480VAC, it ensures reliable reverse-feed operation and true RMS sensing. For modernization projects, this unit is replaced by the XT7SU380CFFF000XXX using a specialized retrofit kit.Specifications
| Brand | ABB / General Electric |
|---|---|
| Part Number | SKHA26AT0800 |
| Series | SKHA |
| Amperage | 800A |
| Poles | 2 |
| Mounting Style | Bolt-On |
| Voltage | 120VAC, 208Y/120VAC, 240VAC, 480Y/277VAC, 480VAC, 600Y/347VAC, 600VAC, 120/240VAC |
| Phase | 1 |
| AIC Rating | 65kA @ 120VAC, 65kA @ 208Y/120VAC, 65kA @ 240VAC, 50kA @ 480Y/277VAC, 50kA @ 480VAC, 25kA @ 600Y/347VAC, 25kA @ 600VAC, 65kA @ 120/240VAC |
| Frame Type | SKHA |
|---|---|
| Terminal Type | Lugs |
| For Use With | Spectra Series Panelboards, Switchboards, Motor Control Centers |
| Wire Gauge | (3) 3/0 AWG - 500 kcmil (Al/Cu) |
| Max Wire | 500 kcmil |
| Min Wire | 3/0 AWG |
| Trip Technology | Electronic Trip |
|---|---|
| Trip Function Code | LSI |
| Trip Function | Long-Time, Short-Time, Instantaneous |
| Trip Adjustability | Fixed Thermal, Adjustable Magnetic |
| Available Options | Shunt Trip, Auxiliary Switch, Undervoltage Release, Bell Alarm, Lug Kits, Rating Plugs, Padlock Attachment |
|---|---|
| Accessories | Lugs Not Included |
| Standards | CSA C22.2 No. 5, IEC 60947-2, UL 489 |
| Approval | CE, CSA, UL |
| Temp Rating | 40C |
| Construction Features | HACR Rated, Reverse Feed, True RMS Sensing, Interchangeable Rating Plug, Solid State Trip, High Interrupting Capacity, 2-Pole in 3-Pole Housing |
Product FAQs
7 answersDoes the SKHA26AT0800 require a rating plug to operate?
Yes, this Spectra RMS circuit breaker requires a front-mounted, field-installable rating plug (such as the SRPK800A series) to establish its continuous ampere rating. The breaker will not function properly without the correct rating plug installed.
Which lug kit is compatible with the SKHA26AT0800 circuit breaker?
The standard lug terminal kit for this SK-frame breaker is the GE TCAL81. This lug kit accommodates three conductors sized from 3/0 AWG to 500 kcmil (Al/Cu) per phase. Lugs are typically sold separately.
What does the LSI trip function on this breaker indicate?
LSI stands for Long-Time, Short-Time, and Instantaneous trip functions. On the SKHA26AT0800, the Long-Time pickup is determined by the installed rating plug, while the Short-Time and Instantaneous settings are adjustable to allow for precise coordination with other protective devices in your system.
What is the maximum continuous current rating for the SKHA26AT0800 frame?
The SKHA26AT0800 is built on an 800A maximum frame size. The actual continuous current rating is determined by the specific rating plug installed, which can range from 300A up to the full 800A capacity of the frame.
Can the SKHA26AT0800 be reverse fed?
Yes, this solid-state molded case circuit breaker is suitable for reverse feed applications, allowing power to be supplied to either the top or bottom terminals without compromising the breaker's protective functions.
How does the solid-state trip unit handle non-linear loads?
The digital trip system uses true RMS sensing to accurately measure both sinusoidal and non-sinusoidal currents. This ensures reliable protection and prevents nuisance tripping in environments with high harmonic distortion, such as facilities with variable frequency drives or heavy IT equipment.
Why might my SKHA26AT0800 breaker arrive with ABB branding instead of GE?
ABB acquired GE Industrial Solutions in 2018. As a result, Spectra RMS circuit breakers manufactured after the transition may feature ABB branding, GE branding, or a combination of both. The form, fit, and function remain identical regardless of the label.
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Reviews
Review summary
Customers rate this product 5.0 out of 5 based on 1 review.
- BWBranden W.ReviewingABB / General Electric SKHA36AT0800 - 800A 3 Pole Molded Case Circuit BreakerI recommend this productRated 5 out of 5 stars8/23/19Great value
i have used superbreakers on several occasions and i am always happy with the quality of product.