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Square D BGA36070 Molded Case Circuit Breaker

  • 70A
  • 3 Pole
  • I-Line
Square D BGA36070
Molded Case Circuit Breaker
Brand Square D
SKU BGA36070
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  • 70A
  • 3 Pole
  • I-Line

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Square D BGA36070 - 70A 3 Pole Molded Case Circuit Breaker

Square D BGA36070 - 70A 3 Pole Molded Case Circuit Breaker

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$783.01 In Stock

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Description

Built to handle demanding electrical systems, the Square D BGA36070 is a 3-pole, 70A molded case circuit breaker. Belonging to the PowerPacT B-Frame lineup, it utilizes a thermal-magnetic trip mechanism to deliver precise LI protection. This breaker is designed for seamless integration into Square D I-Line panelboards and switchboards. It also functions as an exact substitute for discontinued FA36070 models, simplifying facility maintenance.

Specifications

Key specifications
Brand Square D
Series BGA
Amperage 70A
Poles 3
Mounting Style I-Line
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
Fit and installation
Frame Type BGA
Terminal Type Lugs
For Use With Square D I-Line Panelboards, Square D I-Line Switchboards
Wire Gauge 14-2/0 AWG (Al/Cu)
Max Wire 2/0 AWG
Min Wire 14 AWG
Protection and operation
Trip Technology Thermal Magnetic
Trip Function Code LI
Trip Function Long-Time, Instantaneous
Trip Adjustability Fixed Thermal, Fixed Magnetic
Standards and features
Available Options Shunt Trip, Auxiliary Switch, Undervoltage Release, Alarm Switch, Padlock Attachment, Rotary Handle, Terminal Shields
Accessories Load Side Lugs Included
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, IEC, NOM, UL
Temp Rating -25C to 70C
Construction Features HACR Rated, Current Limiting, Reverse Feed, Trip-Free Mechanism, Quick-Make/Quick-Break

Product FAQs

7 answers
What panelboards are compatible with the BGA36070?

The BGA36070 is designed exclusively for use with Square D I-Line panelboards and switchboards. Because it uses a specialized plug-on jaw, it cannot be installed in standard unit-mount enclosures or load centers like NQ, NF, QO, or Homeline.

Does this breaker come with lugs installed?

Yes, the BGA36070 comes standard with mechanical lugs pre-installed on the load side. The line side features the I-Line plug-on jaw that mounts directly to the panelboard bus, eliminating the need for line-side wiring.

Is the BGA36070 suitable for DC applications?

Yes, this thermal-magnetic breaker is rated for direct current (DC) use, providing an interrupting capacity of 20kA at 250VDC.

Are the long-time and instantaneous trip points field-adjustable?

No. The BGA36070 features fixed thermal (long-time) and fixed magnetic (instantaneous) trip settings. If your application requires adjustable trip curves, you will need a breaker equipped with an electronic trip unit.

What does the "G" in the BGA36070 catalog number represent?

In the Square D PowerPacT nomenclature, the "G" designates the breaker's interrupting rating tier. For the B-Frame family, a "G" rating provides a maximum interrupting capacity of 65kA at 240VAC and 35kA at 480VAC.

How does the BGA36070 differ from the BDA36070?

Both are 70A, 3-pole I-Line breakers within the PowerPacT B-Frame family. The difference is their interrupting rating: the BGA36070 offers a higher "G" tier rating (35kA at 480VAC), whereas the BDA36070 has a standard "D" tier rating (18kA at 480VAC).

Why is proper lug torque critical when wiring the BGA36070?

Applying the correct tightening torque to the load-side lugs is essential to prevent loose connections, which can lead to overheating, arcing, or thermal damage. Always use a calibrated torque wrench and follow the specific torque values printed on the breaker's faceplate, as the required torque varies depending on the exact wire size you use within the 14 to 2/0 AWG range.

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Reviews

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Rated 4.0 out of 5 stars
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Rating
Ratings
1 review
  • JB
    Josh B.
    Verified Buyer
    I recommend this product
    Rated 4 out of 5 stars
    11/11/25
    Great transaction.

    Product arrived in 3 days and as advertised.