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Square D BGL36040 Molded Case Circuit Breaker
- 40A
- 3 Pole
- Unit Mount
Square D
BGL36040
Molded Case Circuit Breaker
Brand
Square D
SKU
BGL36040
Quantity
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Square D BGL36040 - 40A 3 Pole Molded Case Circuit Breaker
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Description
Built for industrial environments, the BGL36040 delivers 40A of thermal-magnetic circuit protection within the compact Square D PowerPacT B-Frame. Its catalog prefix signifies a 'G' interrupting rating of 35kAIC at 480VAC and an 'L' unit-mount lug design. This 3-pole breaker installs via back pan screws or its built-in DIN rail clip, acting as an upgrade for the discontinued FHL36040. It features fixed LI trip settings and EverLink lugs for a durable wire connection in commercial switchboards.Specifications
| Brand | Square D |
|---|---|
| Part Number | BGL36040 |
| Series | BGL |
| Amperage | 40A |
| Poles | 3 |
| Mounting Style | Unit Mount |
| Voltage | 208Y/120VAC, 240VAC, 480Y/277VAC, 480VAC, 600Y/347VAC, 250VDC |
| Phase | 3 |
| AIC Rating | 65kA @ 208Y/120VAC, 65kA @ 240VAC, 35kA @ 480Y/277VAC, 35kA @ 480VAC, 18kA @ 600Y/347VAC, 20kA @ 250VDC |
| Frame Type | BGL |
|---|---|
| Terminal Type | Lugs |
| For Use With | Industrial Control Panels, 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 |
| Available Options | Shunt Trip, Auxiliary Switch, Undervoltage Release, Alarm Switch, Rotary Handle, Motor Operator, Padlock Attachment |
|---|---|
| Accessories | EverLink Lugs |
| Standards | CSA C22.2 No. 5, EN/IEC 60947-2, GB 14048.2, NEMA AB 1, UL 489 |
| Approval | CCC, CE, CSA, EAC, IEC, NOM, UL |
| Temp Rating | -25C to 70C |
Product FAQs
8 answersIs the BGL36040 circuit breaker compatible with Square D I-Line panelboards?
No, the BGL36040 is a unit mount breaker designed for traditional backpan or DIN rail installation. For an I-Line panelboard, you will need the BGA36040, which features the required plug-on jaw connection on the line side.
What older Square D circuit breaker does the BGL36040 replace?
The BGL36040 is the modern PowerPacT B-frame replacement for the discontinued F-frame FHL36040 circuit breaker.
How is the BGL36040 mounted inside an enclosure?
This unit mount breaker can be installed directly onto a backpan using mounting screws or snapped onto a standard 35mm DIN rail using its built-in mounting clip.
What type of wire connections does this breaker use?
It comes factory-equipped with EverLink lugs on both the line and load sides. These lugs accept 14 AWG to 3/0 AWG aluminum or copper wire and are designed to prevent cable loosening over time.
What does the G in the BGL36040 part number indicate?
The G designates the interrupting rating tier within the PowerPacT B-frame family. It provides a maximum fault current rating of 65kA at 240V AC, 35kA at 480V AC, and 18kA at 600V AC.
Can the trip settings on the BGL36040 be adjusted in the field?
No, this breaker features a fixed thermal-magnetic trip unit. The long-time (L) and instantaneous (I) protection functions are factory calibrated and cannot be modified.
Can this 3-pole breaker be used in direct current (DC) systems?
Yes, the BGL36040 is dual-rated for AC and DC applications. It supports DC systems up to 250V DC with a maximum interrupting capacity of 20kA.
What safety precautions are required before installing this molded case circuit breaker?
Always de-energize the switchboard or control panel before installation. Verify the power is off using a properly rated voltage sensing device and wear appropriate personal protective equipment (PPE) in accordance with NFPA 70E guidelines.
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