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Square D BJA260304 Molded Case Circuit Breaker
- 30A
- 2 Pole
- I-Line
Square D
BJA260304
Molded Case Circuit Breaker
Brand
Square D
SKU
BJA260304
Quantity
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Square D BJA260304 - 30A 2 Pole Molded Case Circuit Breaker
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Description
Built for heavy-duty industrial use, this 2-pole, 30A PowerPacT B-frame circuit breaker offers superior thermal-magnetic protection. The BJA260304 handles demanding loads safely. Equipped with a phase BC connection, it integrates smoothly into Square D I-Line panelboards. It can also be used to replace obsolete FH26030BC breakers. The unit boasts a 65kAIC rating at 480VAC and features fixed long-time and instantaneous (LI) trip settings. It includes a Visi-Trip indicator.Specifications
| Brand | Square D |
|---|---|
| Part Number | BJA260304 |
| Series | BJA |
| Amperage | 30A |
| 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 |
|---|---|
| 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, Visual Trip Indicator |
Product FAQs
8 answersWhat panels are compatible with the BJA260304 circuit breaker?
This breaker is designed exclusively for Square D I-Line panelboards and switchboards. It features an I-Line style plug-on connection on the line side and mechanical lugs on the load side.
What does the 4 at the end of the BJA260304 catalog number indicate?
The 4 suffix indicates that this 2-pole breaker is configured for a BC phase connection within the I-Line panelboard. If you need a different phase configuration, you will need a different suffix, such as 1 for AB or 2 for AC.
Can the BJA260304 replace older Square D FA or FH series breakers?
Yes, the PowerPacT B-frame is the direct manufacturer replacement for legacy F-frame breakers. The BJA260304 can be used to replace obsolete FA26030BC and FH26030BC circuit breakers while maintaining the exact same mounting space in your existing panel.
What wire sizes do the lugs on the BJA260304 accept?
The factory-installed load lugs accept 14 AWG to 2/0 AWG aluminum or copper wire.
How does the I-Line mounting system work on this breaker?
The breaker features a plug-on line-side connection that snaps directly onto the panelboard busbar for a secure, tool-free line connection. The load side utilizes standard mechanical lugs for wire termination.
What does the J in the BJA260304 part number represent?
The J designates the interrupting rating tier for this PowerPacT B-frame breaker. It provides a high interrupting capacity of 100kA at 240VAC, 65kA at 480VAC, and 25kA at 600Y/347VAC.
Are the trip settings on the BJA260304 adjustable?
No, this breaker features a fixed thermal-magnetic trip unit. Both the long-time (thermal overload) and instantaneous (magnetic short-circuit) protection functions are factory-set and non-adjustable.
Does the BJA260304 include a visual trip indicator?
Yes, it features a Visi-Trip indicator that provides clear visual confirmation when the breaker has tripped. It also includes a push-to-trip button on the cover to manually test the tripping mechanism.
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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.