Square D PowerPacT Q I-Line Ci...
IN STOCK (leaves warehouse same day if ordered before 3pm ET)
$263.19

Square D PowerPacT Q I-Line Circuit Breaker

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Model: BDA140501

In Stock (leaves warehouse same day if ordered before 3pm ET)

$263.19
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Square D PowerPacT Q I-Line Circuit Breaker, Thermal Magnetic, 240VAC, 10kA

The Square D PowerPacT Q I-Line circuit breaker delivers overcurrent protection and switching for 240VAC systems in commercial and industrial distribution equipment. Built on the Q-Frame platform, this thermal magnetic breaker mounts via an I-Line bracket for direct connection to I-Line panelboards and switchboards, and is rated 240V AC 50/60Hz with an 8 kV UL impulse withstand voltage (Uimp) and a 10kA interrupt capacity. It is available in 2 and 3-pole configurations to match distribution requirements, and is UL, CSA, and NOM listed for use across commercial and industrial market segments.

Key Features

  • Operational Voltage: 240 V AC, 50/60 Hz (UL) for standard commercial and industrial distribution systems.
  • Trip Type: Thermal magnetic trip protection for reliable overcurrent and fault response.
  • Mounting Mode: I-Line bracket mounting for direct connection into I-Line panelboards and switchboards.
  • Impulse Withstand: 8 kV UL rated impulse withstand voltage (Uimp) for surge resilience.
  • Electrical Connection: I-Line connection on the line side with lugs on the load side.
  • Pole Configuration: Available in 2 and 3-pole designs to fit a range of panel layouts.
  • Mechanical Durability: Rated for 1000 cycles loaded and 5000 cycles no-load operation.
  • Tightening Torque: 28 N.m for conductors sized 25-150 mm² (AWG 4...300 kcmil).

Certifications & Compliance

  • UL Listed
  • CSA Certified
  • NOM / NOM-003-SCFI-2000 Compliant
  • NEMA Standard
  • Green Premium Product
  • Halogen Free Product
  • Mercury Free

Technical Specifications

  • Warranty Period: 18 months
  • Sustainable Packaging: No
  • Recycled Metal Content At Cr Level: 0 %
  • Poles Description: 2P
  • Serviceability: No
  • With Recycled Cardboard: Yes
  • China ROHS In Scope: No
  • Return Indicator: Y
  • Tier: 1
  • Legacy WEEE Scope: In
  • Packaging Made With Recycled Cardboard: Yes
  • Without Single Use Plastic: No
  • ROHS Exemption Information: Yes
  • WEEE Product Category: 4
  • Warranty: 18 months
  • Mercury Free: Yes
  • ROHS Eur Full Compliance Status Id: COMPLIANT_WITH_EXEMPTIONS
  • Packaging Without Single Use Plastic: No
  • Tier Id: 1
  • ROHS Eur In Scope: Yes
  • Magnetic Hold Current: 1200 A
  • Environmental Disclosure: ENVPEP2311048_V2

Typical Applications

  • Commercial and Industrial Electrical Distribution
  • I-Line Panelboard and Switchboard Systems
  • Overcurrent Protection and Circuit Switching
  • HACR-Rated Air Conditioning and Refrigeration Circuits
  • Renovation and New Construction Panel Upgrades

Why Square D?

Square D PowerPacT Q breakers combine thermal magnetic trip protection with UL, CSA, and NOM certifications for dependable, code-compliant performance in demanding commercial and industrial panels. Halogen-free, mercury-free construction and Green Premium status support sustainable specification without sacrificing the mechanical durability and I-Line compatibility electrical professionals rely on.

Manufacturer Resources

Product Specs

Product Type:
Circuit Breaker
Series:
PowerPacT Q
Voltage Rating:
240VAC
Amperage Rating:
100A
Configuration:
I-Line
Listing:
UL Listed
Department:
Electrical
Product Group:
Wiring Devices
Product Subgroup:
Circuit Breakers

Square D BDA140501 – Frequently Asked Questions

1) Will a Square D PowerPacT Q breaker mount in an I-Line panelboard?
Yes. The PowerPacT Q is built on the Q-Frame platform and mounts with an I-Line bracket, so it connects directly into I-Line panelboards and switchboards. The line side is the I-Line stab connection; the load side lands on lugs. It will not work in a bolt-on or plug-on panel that is not I-Line.
2) What voltage and interrupting rating does the PowerPacT Q I-Line breaker carry?
Rated 240V AC, 50/60 Hz with a 10kA interrupting capacity and an 8 kV UL impulse withstand (Uimp). If your available fault current at the panel exceeds 10kA, this breaker is not the right selection.
3) How many poles and what amperage does this Square D Q-Frame breaker come in?
It is offered in 2-pole and 3-pole configurations, rated 100A. Pick the pole count to match the feeder you are protecting: 2-pole for single-phase 240V, 3-pole for three-phase distribution.
4) What size conductors can I land on the load-side lugs, and what is the torque spec?
The load lugs accept 25 to 150 mm2 conductors (AWG 4 through 300 kcmil), tightened to 28 N.m. Torque them with a calibrated wrench; that value is what the breaker is qualified at.
5) What is the closest alternative to the Square D PowerPacT Q I-Line breaker if I need a 3-pole thermal magnetic molded case breaker?
The ABB E150 Series 3-Pole Thermal Magnetic Circuit Breaker is the nearest match on trip technology and pole count, since the PowerPacT Q is also a thermal magnetic design offered in 2 and 3-pole configurations. The difference that decides the job is mounting: the PowerPacT Q uses an I-Line bracket so the line side plugs directly onto the bus of an I-Line panelboard or switchboard, with lugs on the load side. The ABB E150 is a standard molded case breaker and is not an I-Line plug-on device, so it belongs in equipment built for that breaker, not in a Square D I-Line panel.
6) Can I use an ABB A2N molded case breaker in place of a Square D PowerPacT Q I-Line breaker?
Not in an I-Line panelboard. The ABB A2N Series breaker is a 3-pole UL listed molded case breaker, but the PowerPacT Q is configured for I-Line, meaning it connects to the panel bus through an I-Line bracket rather than bolting or clipping to a generic interior. If the panel is a Square D I-Line panelboard or switchboard, stay with an I-Line configured breaker. The A2N is the right family only when you are feeding ABB distribution equipment or an enclosure built around that frame.
7) Is the PowerPacT Q suitable for use as a switching disconnect, or only overcurrent protection?
Both. It provides overcurrent protection and circuit switching, and is rated for 1000 loaded operating cycles and 5000 no-load cycles. For a circuit switched daily, that cycle count is the number to design around.
8) Can I use this breaker on an air conditioning or refrigeration circuit?
Yes, HACR-rated air conditioning and refrigeration circuits are among its listed applications, along with general commercial and industrial distribution and panel upgrades on renovation work.
9) What approvals does the Square D PowerPacT Q carry for a government or healthcare spec?
UL Listed, CSA Certified, and NOM / NOM-003-SCFI-2000 compliant, and it meets NEMA standard. Square D also classifies it as a Green Premium product, halogen free and mercury free, which helps on sustainability-driven specifications.
10) What is thermal magnetic trip and is it the right choice versus an electronic trip unit?
Thermal magnetic means a bimetal element handles sustained overloads and a magnetic element handles short circuits. The PowerPacT Q uses that method, with a magnetic hold current of 1200 A. It is the straightforward choice for feeders and branch circuits where you do not need adjustable long-time, short-time, or ground fault settings; an electronic trip breaker is what you go to when the coordination study calls for those adjustments.
11) If I am not running an I-Line panel, what molded case breaker should I look at instead?
The I-Line stab connection is the whole point of this Square D unit, so in a non-I-Line enclosure you want a conventional molded case breaker. ZenSupply carries the ABB E150 Series 3-pole thermal magnetic breaker, which uses the same trip method, and the ABB A2N Series 3-pole molded case breaker. For control-panel branch protection rather than power distribution, the ABB ST200M is a miniature breaker built to UL1077.
12) I only need supplementary protection on a control circuit - is a smaller breaker a better choice than the PowerPacT Q?
Yes, for supplementary duty step down to a miniature breaker. The ABB ST200M is a miniature circuit breaker built to UL1077, which is the supplementary protection standard used for control and equipment circuits. The Square D PowerPacT Q is a 240VAC, 100A molded case breaker for commercial and industrial branch and feeder distribution in I-Line equipment, so it is far more device than a control circuit needs and requires I-Line panel mounting.
13) What is the difference between ordering the PowerPacT Q breaker and an ABB XT4 breaker kit?
The ABB XT4 item is a 3-pole molded case circuit breaker kit, so what ships is a kit assembly built around the XT4 frame. The Square D PowerPacT Q is a Q-Frame thermal magnetic breaker ordered as the breaker itself, rated 240V AC 50/60Hz with 10kA interrupting capacity and an I-Line line side connection with lugs on the load side. If you are replacing a breaker in an existing I-Line panel, the PowerPacT Q is the direct-fit part; the XT4 kit is for ABB equipment.
14) Can I rebuild or service a PowerPacT Q breaker in the field?
No. It is a non-serviceable device, so a breaker that has failed or been damaged gets replaced rather than repaired. Plan on a spare for critical feeders.
How fast can I get the Square D BDA140501 delivered?
Most orders ship the same day from our distribution partners, with quick delivery throughout the continental U.S. Need it urgently? Contact Us for expedited shipping options.
Can I return it if it doesn’t work for me?
Yes—ZenSupply offers a hassle-free return policy. If the product isn’t the right fit, reach out to our support team for a return authorization or setup a return by following our return instructions.
Does the Square D BDA140501 come with a warranty?
Absolutely. The Square D BDA140501 is backed by a manufacturer’s warranty. For full warranty terms, check the product documentation or Contact Us.
How do I get technical support or installation help for the Square D BDA140501?
You can call, text, or email our expert support team for fast answers. We’re here to help with product selection, installation tips, and troubleshooting. Contact Us
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