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Square D BJA260902 Molded Case Circuit Breaker
- 90A
- 2 Pole
- I-Line
Square D
BJA260902
Molded Case Circuit Breaker
Brand
Square D
SKU
BJA260902
Quantity
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Square D BJA260902 - 90A 2 Pole Molded Case Circuit Breaker
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Description
Engineered for commercial power distribution, the Square D BJA260902 is a 2-pole, 90A MCCB from the PowerPact B-frame family. It features a thermal-magnetic trip unit providing reliable long-time and instantaneous (LI) protection. With an I-Line plug-on mounting style and Phase AC connection, it installs into compatible Square D I-Line panelboards. It also serves as a replacement for legacy FH26090AC breakers.Specifications
| Brand | Square D |
|---|---|
| Series | BJA |
| Amperage | 90A |
| 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 AC Connection |
Product FAQs
8 answersWhat type of panelboards is the BJA260902 compatible with?
This breaker is designed exclusively for Square D I-Line panelboards and switchboards. It will not fit NQ, NF, QO, or Homeline panels.
Can the PowerPacT BJA260902 replace older Square D F-frame breakers?
Yes, the PowerPacT B-frame series is the direct replacement for legacy FA and FH series I-Line breakers. It maintains the same mounting space dimensions for easy retrofitting in existing I-Line panelboards.
How much mounting space does this 2-pole breaker require on the I-Line bus?
The BJA260902 requires 3 inches of mounting space on the I-Line busbar stack, as each pole utilizes 1.5 inches.
What does the J in the BJA260902 catalog number indicate?
In the PowerPacT B-frame nomenclature, the J designates the interrupting rating tier, which provides 65kAIC at 480VAC and 100kAIC at 240VAC.
How are the line and load connections configured on this breaker?
The BJA260902 features an I-Line style plug-in connection on the line side that snaps directly onto the panelboard bus, and mechanical lugs on the load side that accept 14 to 2/0 AWG aluminum or copper wire.
Is the BJA260902 rated for use in DC electrical systems?
Yes, this thermal-magnetic breaker is rated for DC applications, providing a 50kA interrupting rating at 250VDC.
What type of protection does the LI trip unit provide?
The fixed thermal-magnetic trip unit provides Long-Time (L) protection against mild overcurrents and Instantaneous (I) protection against severe short circuits.
Can I use aluminum wire with the load lugs on this breaker?
Yes, the factory-installed load lugs are dual-rated for both aluminum and copper conductors ranging from 14 AWG to 2/0 AWG.
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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.