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Schneider Electric / Square D BJA260404 Molded Case Circuit Breaker
- 40A
- 2 Pole
- I-Line
Schneider Electric / Square D
BJA260404
Molded Case Circuit Breaker
Brand
Schneider Electric / Square D
SKU
BJA260404
Quantity
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Schneider Electric / Square D BJA260404 - 40A 2 Pole Molded Case Circuit Breaker
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Description
Designed specifically for Phase BC connections, this 40A PowerPacT B-Frame breaker delivers exceptional high-interrupting performance with a 100kAIC rating at 240V. The thermal-magnetic trip unit provides reliable long-time and instantaneous (LI) protection for demanding commercial applications. It mounts into standard Square D I-Line panelboards and acts as a direct upgrade for legacy FH26040BC models.Specifications
| Brand | Schneider Electric / Square D |
|---|---|
| Part Number | BJA260404 |
| 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 |
| 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 Thermal, Fixed Magnetic |
| Available Options | Shunt Trip, Auxiliary Switch, Undervoltage Release, Alarm Switch, Padlock Attachment, Rotary Handle, Terminal Shields |
|---|---|
| Accessories | None included |
| Standards | CSA C22.2 No. 5, EN/IEC 60947-2, NEMA AB 1, UL 489 |
| Approval | CCC, CE, CSA, EAC, IEC, NOM, UL |
| Temp Rating | -25C to 70C |
| Construction Features | HACR Rated, Current Limiting, Reverse Feed, 80% Rated, Trip-Free Mechanism, Quick-Make/Quick-Break |
Product FAQs
7 answersWhat panelboards are compatible with the BJA260404 circuit breaker?
This breaker is designed exclusively for installation in Square D I-Line panelboards and switchboards.
Which phase connection does the BJA260404 utilize?
The number 4 at the end of the catalog number indicates this 2-pole breaker is factory-configured for a Phase B and Phase C (BC) connection on the I-Line bus.
Can the BJA260404 replace older Square D circuit breakers?
Yes, this PowerPacT B-Frame breaker is a direct, modernized replacement for legacy Square D FH26040BC circuit breakers.
Is the BJA260404 rated for 100% continuous current?
No, this breaker carries a standard 80% continuous current rating.
What wire sizes do the load-side lugs on this breaker accept?
The factory-installed load lugs accommodate 14 AWG to 2/0 AWG aluminum or copper conductors.
What type of protection does the LI trip unit provide?
The LI designation means the breaker uses a thermal-magnetic trip unit with fixed Long-Time (thermal overload) and fixed Instantaneous (magnetic short-circuit) protection.
How can I manually test the tripping mechanism on this breaker?
PowerPacT B-Frame breakers feature an integral push-to-trip button on the front cover, allowing you to manually trip the breaker to verify the mechanism is functioning correctly.
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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.