ABB / General Electric SGDA22AT0400 Molded Case Circuit Breaker
- 400A
- 2 Pole
- Bolt-On
Quantity
ABB / General Electric SGDA22AT0400 - 400A 2 Pole Molded Case Circuit Breaker
New
Quantity
Description
Engineered for commercial environments, the GE SGDA22AT0400 delivers advanced protection. This two-pole, 400A MCCB utilizes true RMS sensing to accurately monitor current and prevent nuisance tripping. It bolts into GE Spectra Series panelboards and switchboards. For upgrades, this unit is replaced by the XT5NU340AFFF000XXX using a Spectra retrofit kit. Rated 65kAIC at 240V, it features an electronic trip unit with configurable LSI settings for precise system coordination.Specifications
| Brand | ABB / General Electric |
|---|---|
| Series | SGDA |
| Amperage | 400A |
| Poles | 2 |
| Mounting Style | Bolt-On |
| Voltage | 240VAC |
| Phase | 1 |
| AIC Rating | 65kA @ 240VAC |
| Terminal Type | Lugs |
|---|---|
| For Use With | Spectra Series Panelboards, Switchboards, Motor Control Centers |
| Wire Gauge | (1) 8 AWG-600 kcmil or (2) 2/0 AWG-500 kcmil (Cu/Al) |
| Max Wire | 600 kcmil (1 cable) or 500 kcmil (2 cables) |
| Min Wire | 8 AWG (1 cable) or 2/0 AWG (2 cables) |
| 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, Undervoltage Release, Auxiliary Switch, Lug Kits |
|---|---|
| Accessories | Lugs Not Included |
| Standards | CSA C22.2 No. 5, IEC 60947-2, UL 489 |
| Approval | CE, CSA, IEC, UL |
| Temp Rating | 40C |
| Construction Features | HACR Rated, Current Limiting, Digital RMS Sensing, Interchangeable Rating Plug, True RMS Sensing |
Product FAQs
7 answersWhat panelboards and enclosures are compatible with the SGDA22AT0400?
This breaker is designed for installation in GE Spectra Series panelboards, switchboards, and motor control centers.
Does the SGDA22AT0400 require a rating plug to operate?
Yes, all GE Spectra RMS circuit breakers require an interchangeable rating plug to establish the maximum continuous current rating. For this 400A SG frame breaker, you must install an SRPG400A series rating plug, such as the SRPG400A400, that matches your required ampacity.
What does the LSI designation mean on the SGDA22AT0400 trip unit?
LSI indicates that the electronic trip unit features adjustable Long-Time, Short-Time, and Instantaneous trip functions. This allows for precise selective coordination in complex electrical systems.
What wire sizes are accepted by the standard lugs on this 400A breaker?
The standard lugs accept either one cable from 8 AWG to 600 kcmil, or two cables from 2/0 AWG to 500 kcmil. They are rated for both copper and aluminum conductors.
Can the SGDA22AT0400 be reverse fed?
Yes, GE Spectra RMS molded case circuit breakers like the SGDA22AT0400 are suitable for reverse-fed applications.
Is the SGDA22AT0400 manufactured by ABB or General Electric?
ABB acquired GE Industrial Solutions in 2018. Depending on the manufacturing date, this exact breaker may feature either GE or ABB branding, but the physical dimensions, mounting, and electrical specifications remain identical.
What is the recommended torque for the lug terminals on the SGDA22AT0400?
Torque specifications depend on the specific lug kit installed. For standard TCLK or TCOK series lugs used on SG frames, torque values typically range from 200 to 375 in-lbs. Always refer to the manufacturer label on the installed lug for the exact code-compliant torque requirement.
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