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Square D BGA260402 Molded Case Circuit Breaker
- 40A
- 2 Pole
- I-Line
Square D
BGA260402
Molded Case Circuit Breaker
Brand
Square D
SKU
BGA260402
Quantity
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Square D BGA260402 - 40A 2 Pole Molded Case Circuit Breaker
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Description
Built for commercial and industrial environments, the Square D BGA260402 is a 40-amp, 2-pole molded case circuit breaker. This PowerPacT B-Frame unit features an AC phase connection and provides fixed thermal-magnetic (LI) protection. Rated for 35kAIC at 480VAC, it ensures robust performance for demanding distribution networks. It mounts into Square D I-Line panelboards and replaces the legacy FA26040AC breaker. Features include a push-to-trip mechanism and HACR certification.Specifications
| Brand | Square D |
|---|---|
| Part Number | BGA260402 |
| Series | BGA |
| Amperage | 40A |
| Poles | 2 |
| Mounting Style | I-Line |
| Voltage | 208Y/120VAC, 240VAC, 480Y/277VAC, 480VAC, 600Y/347VAC, 250VDC |
| Phase | 1 |
| AIC Rating | 65kA @ 208Y/120VAC, 65kA @ 240VAC, 35kA @ 480Y/277VAC, 35kA @ 480VAC, 18kA @ 600Y/347VAC, 20kA @ 250VDC |
| Frame Type | BGA |
|---|---|
| Terminal Type | Lugs |
| For Use With | Square D I-Line Panelboards, Switchboards |
| Wire Gauge | 14 AWG - 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 |
| Available Options | Shunt Trip, Auxiliary Switch, Undervoltage Release, Alarm Switch, Padlock Attachment, Rotary Handle, Terminal Shields |
|---|---|
| Accessories | AC Phase Connection (Factory Configured) |
| 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, Reverse Feed |
Product FAQs
6 answersWhat panelboards are compatible with the BGA260402 circuit breaker?
This breaker is designed exclusively for Square D I-Line panelboards and switchboards. It features an I-Line style plug-on connection for the line side and mechanical lugs for the load side.
Can the BGA260402 replace older Square D F-frame breakers?
Yes. The PowerPacT B-frame series is the direct replacement for legacy Square D FA and FH series circuit breakers. It maintains the same 1.5-inch per pole width to fit existing I-Line panelboard spaces without requiring modifications or blank fillers.
What does the G in the BGA260402 catalog number indicate?
The G designates the interrupting rating tier within the PowerPacT B-frame family. For this breaker, it indicates a maximum interrupting capacity of 65 kA at 240VAC, 35 kA at 480VAC, and 18 kA at 600Y/347VAC.
Is the BGA260402 suitable for use on a 600V ungrounded delta system?
No. The 600Y/347VAC designation is a slash rating, meaning it is only approved for solidly grounded wye systems where the line-to-ground voltage does not exceed 347V. However, it carries a straight 480VAC rating, making it suitable for both wye and delta 480V systems.
What wire sizes are accepted by the load lugs on the BGA260402?
The factory-installed load lugs accept aluminum or copper wire ranging from 14 AWG to 2/0 AWG.
Is the trip unit on the BGA260402 adjustable?
No. This breaker features a fixed thermal-magnetic trip unit providing long-time and instantaneous protection. The 40A rating cannot be adjusted in the field.
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Reviews
Review summary
Customers rate this product 4.9 out of 5 based on 7 reviews.
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Rating
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.