Square D BGA34100YSA Molded Case Circuit Breaker
- 100A
- 3 Pole
- I-Line
Quantity
Square D BGA34100YSA - 100A 3 Pole Molded Case Circuit Breaker
New
Quantity
Description
Providing robust thermal-magnetic protection, the Square D BGA34100YSA is a 3-pole, 100A molded case circuit breaker from the PowerPacT B-Frame family. It is engineered for commercial and industrial systems. This unit installs into Square D I-Line panelboards and switchboards. It serves as an exact replacement for legacy FA34100 breakers, utilizing the standard I-Line plug-on jaw.Specifications
| Brand | Square D |
|---|---|
| Series | BGA |
| Amperage | 100A |
| Poles | 3 |
| Mounting Style | I-Line |
| Voltage | 208Y/120VAC, 240VAC, 480Y/277VAC, 250VDC |
| Phase | 3 |
| AIC Rating | 65kA @ 208Y/120VAC, 65kA @ 240VAC, 35kA @ 480Y/277VAC, 20kA @ 250VDC |
| Frame Type | BGA |
|---|---|
| Terminal Type | Lugs |
| For Use With | Square D I-Line Panelboards, Square D I-Line Switchboards |
| Wire Gauge | 14-2/0 AWG (Al/Cu) |
| Max Wire | 2/0 AWG |
| Min Wire | 14 AWG |
| Trip Technology | Thermal Magnetic |
|---|---|
| Trip Function Code | LI |
| Trip Function | Long-Time, Instantaneous |
| Trip Adjustability | Fixed Thermal, Fixed Magnetic |
| Available Options | Auxiliary Switch, Undervoltage Release, Alarm Switch, Padlock Attachment, Rotary Handle, Terminal Shields |
|---|---|
| Accessories | Shunt Trip (120VAC) |
| Standards | CSA C22.2 No 5, EN/IEC 60947-2, EN/IEC 60947-5-1, GB 14048.2, NEMA AB 1, NMX J-266, UL 489 |
| Approval | CCC, CE, CSA, EAC, IEC, NOM, UL |
| Temp Rating | -25C to 70C |
| Construction Features | HACR Rated, Current Limiting, Reverse Feed, Trip-Free Mechanism, Quick-Make/Quick-Break |
Product FAQs
5 answersWhat type of enclosures are compatible with the BGA34100YSA?
This breaker is specifically designed for installation in Square D I-Line panelboards and switchboards. It utilizes an I-Line style plug-in connection on the line side.
What wire sizes and materials are compatible with the lugs on this breaker?
The load-side mechanical lugs accept both aluminum (Al) and copper (Cu) conductors ranging from 14 AWG to 2/0 AWG.
Can the BGA34100YSA replace legacy Square D FA-frame breakers?
Yes, the PowerPacT B-Frame series serves as a direct modern upgrade for legacy 100A FA-frame breakers, such as the FA34100, maintaining compatibility with existing I-Line panelboards.
Are the thermal and magnetic trip thresholds adjustable on this model?
No, the BGA34100YSA features a fixed thermal-magnetic trip unit. Both the long-time (thermal) and instantaneous (magnetic) protection settings are factory-preset and cannot be field-adjusted.
How can I manually test the tripping mechanism on the BGA34100YSA?
This PowerPacT B-Frame breaker includes an integral push-to-trip button on the faceplate, allowing licensed electricians to safely verify the mechanical operation of the trip unit during routine maintenance.
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Reviews
Review summary
Customers rate this product 4.9 out of 5 based on 7 reviews.
- BBrentVerified BuyerReviewingSquare D BGA36050 - 50A 3 Pole Molded Case Circuit BreakerI recommend this productRated 5 out of 5 stars7/16/26Breakers
Breakers looked great.
- BBrentVerified BuyerReviewingSquare D BGA36030 - 30A 3 Pole Molded Case Circuit BreakerI recommend this productRated 5 out of 5 stars7/16/26Breakers
Breakers that were ordered were exactly as expected.
- PHPaul H.Verified BuyerReviewingSquare D BGA36060 - 60A 3 Pole Molded Case Circuit BreakerI recommend this productRated 5 out of 5 stars6/23/26Worked Perfectly.
Prompt shipping. We received the breaker on-time for a scheduled outage of the switchgear feeding an entire building. Thank you!
- JBJosh B.Verified BuyerReviewingSquare D BGA36070 - 70A 3 Pole Molded Case Circuit BreakerI recommend this productRated 4 out of 5 stars11/11/25Great transaction.
Product arrived in 3 days and as advertised.
- JMJohn M.ReviewingSquare D BGA36080 - 80A 3 Pole Molded Case Circuit BreakerI recommend this productRated 5 out of 5 stars1/15/24Good purchase
Material arrived in good condition. Glad to have a source to get this quickly.