ABB / General ElectricSGHA26AT0600
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ABB / General Electric SGHA26AT0400 Molded Case Circuit Breaker
- 400A
- 2 Pole
- Bolt-On
ABB / General Electric
SGHA26AT0400
Molded Case Circuit Breaker
Brand
ABB / General Electric
SKU
SGHA26AT0400
Quantity
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ABB / General Electric SGHA26AT0400 - 400A 2 Pole Molded Case Circuit Breaker
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Description
The SGHA26AT0400 is part of GE's Spectra RMS line, functioning as a 400A electronic trip MCCB. It delivers reliable power distribution with microprocessor-based sensing for commercial facilities. This bolt-on breaker installs into GE Spectra Series panelboards. For legacy upgrades, it is replaced by the XT5NU340AFFF000XXX using the SRFB6XT5BFPX retrofit kit. Rated 65kAIC at 240V, it features adjustable LSI trip settings, an interchangeable rating plug, and current limiting capabilities.Specifications
| Brand | ABB / General Electric |
|---|---|
| Series | SGHA |
| Amperage | 400A |
| Poles | 2 |
| Mounting Style | Bolt-On |
| Voltage | 120VAC, 240VAC, 277VAC, 480VAC, 600VAC, 120/240VAC |
| Phase | 1 |
| AIC Rating | 65kA @ 120VAC, 65kA @ 240VAC, 35kA @ 277VAC, 35kA @ 480VAC, 25kA @ 600VAC, 65kA @ 120/240VAC |
| Amperage Range | 200-400A |
|---|
| Frame Type | SGHA |
|---|---|
| Terminal Type | Lugs |
| For Use With | GE Spectra Series Panelboards and Switchboards |
| Wire Gauge | (1) 8 AWG-600 kcmil (Cu/Al) or (2) 2/0 AWG-500 kcmil (Cu/Al) |
| Max Wire | 600 kcmil |
| Min Wire | 8 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, 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
7 answersIs the SGHA26AT0400 branded as GE or ABB?
Following ABB's acquisition of GE Industrial Solutions, this Spectra RMS circuit breaker may be branded as either GE or ABB. The physical dimensions, mounting, and performance specifications remain identical regardless of the label.
What type of enclosures are compatible with the SGHA26AT0400?
This bolt-on molded case circuit breaker is engineered specifically for direct installation into GE Spectra Series panelboards and switchboards.
Does the SGHA26AT0400 require a separate rating plug to operate?
Yes, because it utilizes a Spectra RMS electronic trip unit, a compatible rating plug must be installed to establish the precise continuous current rating for your application.
What adjustability does the LSI trip unit provide on this breaker?
The solid-state electronic trip unit allows precise coordination by offering adjustable settings for long-time delay, short-time pickup and delay, and instantaneous pickup, ensuring accurate overcurrent protection.
What is the recommended ABB upgrade path for the legacy SGHA26AT0400?
For modernizing legacy Spectra panels, this breaker can be replaced by an ABB Tmax XT5 series breaker, such as the XT5NU340AFFF000XXX, utilizing the SRFB6XT5BFPX retrofit kit for proper fitment.
What are the standard wire capacity limits for the lugs on this breaker?
The included terminals accommodate either a single 8 AWG to 600 kcmil conductor or dual 2/0 AWG to 500 kcmil conductors per phase, compatible with both copper and aluminum wiring.
What safety considerations apply when configuring the LSI trip unit?
Adjustments to the long-time, short-time, and instantaneous settings must be based on a formal protective device coordination study. Incorrect settings can compromise system safety, leading to inadequate arc flash protection or nuisance tripping.
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