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Square D BJL36040 Molded Case Circuit Breaker
- 40A
- 3 Pole
- Unit Mount
Square D
BJL36040
Molded Case Circuit Breaker
Brand
Square D
SKU
BJL36040
Quantity
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Square D BJL36040 - 40A 3 Pole Molded Case Circuit Breaker
New
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Description
Engineered for commercial and industrial applications, the Square D BJL36040 delivers reliable overcurrent protection. This 40A, 3-pole unit features a fixed thermal-magnetic trip unit with Long-Time and Instantaneous (LI) functions. This unit-mount MCCB installs into standard enclosures and industrial control panels. It serves as a replacement for legacy FCL36040 and FHL36040 breakers.Specifications
| Brand | Square D |
|---|---|
| Series | BJL |
| Amperage | 40A |
| Poles | 3 |
| Mounting Style | Unit Mount |
| 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 | BJL |
|---|---|
| Terminal Type | Lugs |
| For Use With | Industrial Control Panels, Enclosures, Switchboards |
| Wire Gauge | 14 AWG-3/0 AWG (Al/Cu) |
| Max Wire | 3/0 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 | EverLink Lugs (Line & Load) |
| Standards | CSA C22.2 No. 5, EN/IEC 60947-2, EN/IEC 60947-5-1, GB 14048.2, NEMA AB 1, NMX J-266, UL 489 |
| Approval | CCC, CE, CSA, EAC, HACR, IEC, NOM, UL |
| Temp Rating | -25C to 70C |
Product FAQs
7 answersHow is the BJL36040 circuit breaker mounted?
The BJL36040 is a unit-mount circuit breaker. It features integrated DIN rail mounting capability, allowing it to snap directly onto a standard 35mm DIN rail. Alternatively, it can be screw-mounted directly to a backpan in an enclosure or control panel.
What type of wire terminals are included on this breaker?
This breaker comes equipped with EverLink lugs on both the line and load sides. These patented lugs provide a creep-compensating connection that maintains constant pressure on bare aluminum or copper cables (14 AWG to 3/0 AWG), reducing the need for periodic retightening due to thermal cycling.
What does the J in the BJL36040 catalog number signify?
The J indicates the interrupting rating tier within the PowerPacT B-Frame family. It provides a high breaking capacity of 100kA at 240VAC, 65kA at 480VAC, and 25kA at 600Y/347VAC, allowing it to be used in systems with higher available fault currents than standard D-tier or G-tier breakers.
Can I install the BJL36040 in a Square D I-Line panelboard?
No, the BJL36040 is a unit-mount breaker designed for industrial control panels, enclosures, and switchboards. For an I-Line panelboard, you must use an I-Line specific PowerPacT B-Frame breaker, which features the required plug-on jaw connections.
Is this circuit breaker suitable for DC applications?
Yes, the BJL36040 is rated for use in DC systems up to 250VDC, with a DC interrupting rating of 50kA. This makes it suitable for ungrounded or grounded DC control circuits, battery systems, or solar applications operating within this voltage limit.
Are the trip settings on the BJL36040 adjustable?
No, this breaker features a fixed thermal-magnetic trip unit. Both the long-time (thermal overload) and instantaneous (magnetic short-circuit) trip functions are factory-set and non-adjustable, providing standard protection for distribution and control applications.
Can the PowerPacT BJL36040 replace older Square D F-Frame breakers?
Yes, the PowerPacT B-Frame series is the designated replacement for legacy Square D F-Frame (such as FAL or FHL) circuit breakers. The BJL36040 offers increased interrupting capacity in a smaller unit-mount footprint, though backpan drilling or mounting modifications may be required when retrofitting.
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