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Square D BJA36040 Molded Case Circuit Breaker
- 40A
- 3 Pole
- I-Line
Square D
BJA36040
Molded Case Circuit Breaker
Brand
Square D
SKU
BJA36040
Quantity
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Square D BJA36040 - 40A 3 Pole Molded Case Circuit Breaker
New
Quantity
Quantity
Square D BJA36040 - 40A 3 Pole Molded Case Circuit Breaker
New
Quantity
| Brand | Square D |
|---|---|
| Series | BJA |
| Amperage | 40A |
| Poles | 3 |
| Mounting Style | I-Line |
| Voltage | 208Y/120VAC, 240VAC, 480Y/277VAC, 480VAC, 600Y/347VAC, 250VDC |
| Phase | 3 |
| AIC Rating | 100kA @ 208Y/120VAC, 100kA @ 240VAC, 65kA @ 480Y/277VAC, 65kA @ 480VAC, 25kA @ 600Y/347VAC, 50kA @ 250VDC |
| Frame Type | B-Frame |
|---|---|
| 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, Terminal Shields |
|---|---|
| Accessories | Phase Connection ABC |
| 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, Visual Trip Indicator, Non-Interchangeable Trip, Quick-Make/Quick-Break, RoHS Compliant |
Quantity
Square D BJA36040 - 40A 3 Pole Molded Case Circuit Breaker
Re-Certified
Quantity
| Brand | Square D |
|---|---|
| Series | BJA |
| Amperage | 40A |
| Poles | 3 |
| Mounting Style | I-Line |
| Voltage | 208Y/120VAC, 240VAC, 480Y/277VAC, 480VAC, 600Y/347VAC, 250VDC |
| Phase | 3 |
| AIC Rating | 100kA @ 208Y/120VAC, 100kA @ 240VAC, 65kA @ 480Y/277VAC, 65kA @ 480VAC, 25kA @ 600Y/347VAC, 50kA @ 250VDC |
| Frame Type | B-Frame |
|---|---|
| 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, Terminal Shields |
|---|---|
| Accessories | Phase Connection ABC |
| 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, Visual Trip Indicator, Non-Interchangeable Trip, Quick-Make/Quick-Break, RoHS Compliant |
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Description
Engineered for commercial and industrial distribution, this 40A PowerPacT B-Frame breaker provides reliable long-time and instantaneous (LI) protection. It installs into Square D I-Line panelboards and switchboards, serving as a modern upgrade for legacy FH36040 units. Featuring a robust 65kAIC rating at 480VAC, the BJA36040 includes phase ABC connections and a Visi-Trip indicator for rapid fault identification during maintenance.Specifications
| Brand | Square D |
|---|---|
| Series | BJA |
| Amperage | 40A |
| Poles | 3 |
| Mounting Style | I-Line |
| Voltage | 208Y/120VAC, 240VAC, 480Y/277VAC, 480VAC, 600Y/347VAC, 250VDC |
| Phase | 3 |
| AIC Rating | 100kA @ 208Y/120VAC, 100kA @ 240VAC, 65kA @ 480Y/277VAC, 65kA @ 480VAC, 25kA @ 600Y/347VAC, 50kA @ 250VDC |
| Frame Type | B-Frame |
|---|---|
| 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, Terminal Shields |
|---|---|
| Accessories | Phase Connection ABC |
| 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, Visual Trip Indicator, Non-Interchangeable Trip, Quick-Make/Quick-Break, RoHS Compliant |
Product FAQs
7 answersHow are the wire connections configured on the BJA36040?
This circuit breaker features an I-Line plug-in connection on the line side for quick installation into a busbar, while the load side is equipped with mechanical lugs. The load lugs accept 14 to 2/0 AWG aluminum or copper wire.
What are the magnetic trip settings for this 40-amp PowerPacT B-Frame breaker?
The factory-sealed thermal-magnetic trip unit features fixed long-time and instantaneous settings. The instantaneous magnetic protection has a hold current of 400A and a trip current of 600A.
What types of panels accept the BJA36040 circuit breaker?
It is designed specifically to plug into Square D I-Line panelboards and switchboards. This specific model is configured for an ABC phase connection.
What does the J in the BJA36040 part number signify?
The J indicates the interrupting capacity tier within the PowerPacT B-Frame family. For this breaker, it provides a 65 kA interrupting rating at 480 VAC and up to 100 kA at 240 VAC.
Is the trip unit on the BJA36040 field-adjustable?
No, this model uses a fixed thermal and fixed magnetic trip unit. The trip mechanism is factory-sealed and non-interchangeable.
Can this molded case circuit breaker be used in DC voltage applications?
Yes, the BJA36040 is rated for use in DC circuits up to 250 VDC, providing a 50 kA interrupting capacity for DC systems.
How much panel space does the 3-pole BJA36040 require?
This B-Frame breaker requires approximately 3.19 inches of width in the panel. It uses a standard 1.06 inch pole pitch for its I-Line phase connections.
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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.