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Square D BJA260501 Molded Case Circuit Breaker
- 50A
- 2 Pole
- I-Line
Square D
BJA260501
Molded Case Circuit Breaker
Brand
Square D
SKU
BJA260501
Quantity
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Square D BJA260501 - 50A 2 Pole Molded Case Circuit Breaker
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Description
The Square D BJA260501 is a robust 2-pole, 50A MCCB belonging to the PowerPacT B-Frame series. It provides essential long-time and instantaneous (LI) thermal-magnetic trip functions for commercial and industrial power systems. Designed for Square D I-Line panelboards, this breaker features an AB phase connection. It serves as a reliable replacement for legacy FH26050AB models. Boasting an interrupting rating of 65kA at 480VAC, this current-limiting breaker supports reverse feed applications.Specifications
| Brand | Square D |
|---|---|
| Part Number | BJA260501 |
| Series | BJA |
| Amperage | 50A |
| 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 |
| 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, Handle Padlock Attachment |
|---|---|
| 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, 80% Rated, Phase AB Connection, Reverse Feed |
Product FAQs
6 answersWhat panelboards are compatible with the BJA260501 circuit breaker?
This breaker is designed exclusively for use in Square D I-Line panelboards and switchboards. It features a plug-on I-Line connection on the line side.
Can the BJA260501 replace older Square D circuit breakers?
Yes, this PowerPacT B-Frame breaker serves as a direct replacement for the legacy F-Frame FH26050AB circuit breaker.
What does the "1" suffix in the BJA260501 catalog number indicate?
The "1" suffix indicates that this 2-pole breaker is configured for an AB phase connection on the I-Line busbar.
How is the BJA260501 wired on the load side?
The load side is equipped with mechanical lugs that accept 14 to 2/0 AWG aluminum or copper wire. The line side utilizes the I-Line plug-on jaw.
Does the BJA260501 include a push-to-trip function?
Yes, it features an integral push-to-trip button on the front cover, allowing you to manually trip the breaker to verify the mechanical operation of the trip mechanism.
What contact design does the PowerPacT B-Frame use?
It utilizes dual-break rotating contacts, which help reduce the amount of peak let-through current during a short circuit fault to enhance downstream equipment protection.
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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.