Schneider Electric / Square DBJA260404
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Square D BJA260401 Molded Case Circuit Breaker
- 40A
- 2 Pole
- I-Line
Square D
BJA260401
Molded Case Circuit Breaker
Brand
Square D
SKU
BJA260401
Quantity
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Square D BJA260401 - 40A 2 Pole Molded Case Circuit Breaker
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Description
Engineered for commercial and industrial applications, the Square D BJA260401 is a 2-pole, 40A MCCB from the PowerPacT B-Frame family. It features a thermal-magnetic trip unit with long-time and instantaneous (LI) protection functions. This breaker installs into Square D I-Line panelboards and switchboards. It serves as an exact replacement for legacy FH26040AB breakers, maintaining system continuity. Rated for 65kAIC at 480VAC, this unit includes an AB phase connection and is HACR rated.Specifications
| Brand | Square D |
|---|---|
| Part Number | BJA260401 |
| Series | BJA |
| Amperage | 40A |
| Poles | 2 |
| Mounting Style | I-Line |
| Voltage | 208Y/120VAC, 240VAC, 480Y/277VAC, 480VAC, 600Y/347VAC, 250VDC |
| Phase | 1 |
| AIC Rating | 100kA @ 208Y/120VAC, 100kA @ 240VAC, 65kA @ 480Y/277VAC, 65kA @ 480VAC, 25kA @ 600Y/347VAC, 50kA @ 250VDC |
| Frame Type | BJA |
|---|---|
| Terminal Type | Lugs |
| For Use With | Square D I-Line Panelboards, 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 | Shunt Trip, Auxiliary Switch, Undervoltage Release, Alarm Switch, Padlock Attachment, Rotary Handle |
|---|---|
| Accessories | Load Side Lugs Included |
| Standards | CSA C22.2 No 5, EN/IEC 60947-2, 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, 80% Rated, Non-Interchangeable Trip, Quick-Make/Quick-Break, Trip-Free Mechanism, Reverse Feed, Phase AB Connection |
Product FAQs
7 answersWhich panelboards accept the BJA260401 circuit breaker?
This breaker mounts directly into Square D I-Line panelboards and switchboards. It utilizes an I-Line style plug-in connection on the line side and mechanical lugs on the load side.
What wire sizes and materials are supported by the load-side lugs?
The factory-installed mechanical lugs accept 14 AWG to 2/0 AWG wire and are rated for both aluminum and copper conductors.
What is the interrupting capacity of the BJA260401 in 480V and 600V systems?
The J-tier interrupting rating provides 65kA at 480VAC and 25kA at 600Y/347VAC.
Is the BJA260401 rated for direct current (DC) applications?
Yes, this thermal-magnetic breaker is rated for DC systems up to 250VDC, providing an interrupting capacity of 50kA.
What do the letters in the BJA260401 catalog number represent?
"B" designates the PowerPacT B-Frame, "J" indicates the high interrupting rating tier, and "A" specifies the I-Line plug-in mounting style.
What does the "1" at the end of the BJA260401 part number indicate?
The "1" suffix specifies that the breaker comes with factory-installed aluminum mechanical lugs on the off-end (load side), while the line side uses the I-Line plug-in connection.
Can the trip curve be adjusted on this breaker?
No, the BJA260401 features a fixed thermal and fixed magnetic trip unit. It provides standard long-time and instantaneous (LI) protection without adjustable dials.
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Reviews
Review summary
Customers rate this product 4.3 out of 5 based on 3 reviews.
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Rating
3 reviews
- RHRyan H.Verified BuyerReviewingSchneider Electric BJA36020 - 20A 3 Pole Molded Case Circuit BreakerI recommend this productRated 5 out of 5 stars11/6/25Breaker
It was as described and worked as it should.
- LOLake O.ReviewingSchneider Electric BJA36020 - 20A 3 Pole Molded Case Circuit BreakerI recommend this productRated 4 out of 5 stars10/7/21Staff was very helpful.
Staff was very helpful.
- RKRobert K.ReviewingSquare D BJA36040 - 40A 3 Pole Molded Case Circuit BreakerI recommend this productRated 4 out of 5 stars1/26/21Breakers
Always fast service. Get my breakers the next day.