ABB / General ElectricSKHA36AT0800
ABB / General Electric SKHH3608L4XX Molded Case Circuit Breaker
- 800A
- 3 Pole
- Bolt-On
ABB / General Electric
SKHH3608L4XX
Molded Case Circuit Breaker
Brand
ABB / General Electric
SKU
SKHH3608L4XX
Quantity
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ABB / General Electric SKHH3608L4XX - 800A 3 Pole Molded Case Circuit Breaker
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Description
Built for comprehensive system protection, the SKHH3608L4XX is an 800A, 3-pole electronic trip MCCB from the GE Spectra RMS series. It mounts into Spectra Series panelboards and switchboards, and serves as a legacy component that can be replaced by the ABB XT7S 800 Ekip Dip LSIG. Featuring a microEntelliGuard trip unit, this 100% rated breaker offers adjustable long-time, short-time, instantaneous, and ground fault (LSIG) protection. It delivers a 50kAIC rating at 480VAC.Specifications
| Brand | ABB / General Electric |
|---|---|
| Part Number | SKHH3608L4XX |
| Series | SKHH |
| Amperage | 800A |
| Poles | 3 |
| Mounting Style | Bolt-On |
| Voltage | 240VAC, 480VAC, 600VAC |
| Phase | 3 |
| AIC Rating | 65kA @ 240VAC, 50kA @ 480VAC, 25kA @ 600VAC |
| Amperage Range | 400-800A |
|---|
| Frame Type | SKHH |
|---|---|
| Terminal Type | Lugs |
| For Use With | Spectra Series Panelboards, Spectra Series Switchboards |
| Trip Technology | Electronic Trip |
|---|---|
| Trip Function Code | LSIG |
| Trip Function | Long-Time, Short-Time, Instantaneous, Ground Fault |
| Trip Adjustability | Adjustable |
| Available Options | Shunt Trip, Auxiliary Switch, Undervoltage Release, Bell Alarm, Lug Kits, Communication Module, Padlock Attachment |
|---|---|
| Accessories | MicroEntelliGuard Trip Unit (LSIG) |
| Standards | CSA C22.2 No. 5, IEC 60947-2, UL 489 |
| Approval | CE, CSA, UL |
| Temp Rating | -20C to 55C |
| Construction Features | 100% Rated, HACR Rated, Reverse Feed, True RMS Sensing, Interchangeable Trip Unit, Trip-Free Mechanism, Ground Fault Protection |
Product FAQs
6 answersWhy is this breaker listed as both ABB and General Electric?
ABB acquired GE Industrial Solutions in 2018. Spectra RMS SK frame breakers like the SKHH3608L4XX may carry either GE or ABB branding on the factory label, but the physical dimensions, mounting hardware, and electronic trip units remain identical.
Is the GE Spectra RMS series being replaced by a newer model?
Yes, ABB is transitioning the legacy GE Spectra RMS line to the newer SACE Tmax XT series. For the 800A SK frame size, the Tmax XT7 is the designated upgrade path for new installations, though the SKHH3608L4XX remains available for maintaining existing Spectra equipment.
Which lug kits are compatible with the SKHH3608L4XX breaker?
This SK frame breaker accepts specific Spectra RMS lug kits, such as the TCAL125 (four-hole, 250-500 kcmil) or TCAL81 (three-hole, 3/0-500 kcmil). Lugs are typically sold separately and must be torqued to GE specifications during installation.
How do I adjust the trip settings on the SKHH3608L4XX?
The solid-state electronic trip unit features adjustable dials on the face of the breaker. These allow licensed electricians to fine-tune the trip parameters to match a facility's specific coordination study.
What specific protection functions are included in the LSIG trip unit?
The L4 designation in the catalog number indicates Long-Time (overload), Short-Time (short circuit with intentional delay for coordination), Instantaneous (immediate short circuit), and Ground Fault protection. These functions provide comprehensive protection for commercial and industrial electrical systems.
Does the SKHH3608L4XX have a mechanical test feature?
Yes, it includes a Push-To-Trip button on the front escutcheon. This allows maintenance personnel to manually trip the breaker to verify the mechanical linkage is operating smoothly without requiring a primary injection test.
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