Square D PowerPacT B Thermal M...
IN STOCK (leaves warehouse same day if ordered before 3pm ET)
$3.11

Square D PowerPacT B Thermal Magnetic Circuit Breaker

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Model: 749299

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

$3.11
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Square D PowerPacT B Thermal Magnetic Circuit Breaker, 1-Pole, 347VAC, 14kA, I-Line

The Square D PowerPacT B Thermal Magnetic Circuit Breaker delivers compact, code-compliant thermal-mechanical circuit protection for commercial and industrial distribution. Configured as a 1-pole (1P) device rated 0Y/347VAC with a 14kA interrupting rating, this I-Line connected breaker uses thermal magnetic trip technology and is 80% rated for reliable, HACR-rated performance. It is backed by UL, CSA, NOM, CCC, EAC, and IEC certifications for broad regulatory compliance.

Key Features

  • Compact PowerPacT B-Frame: Thermal-mechanical circuit protection in a compact size with a wide range of accessories, auxiliaries, and connection options.
  • Thermal Magnetic Trip: Provides dependable thermal magnetic circuit protection for distribution applications.
  • 1-Pole Configuration: 1P device rated 0Y/347VAC operational voltage for single-pole distribution circuits.
  • 14kA Interrupting Rating: Ics rated service breaking capacity of 25 kA at 220...240 V AC 50/60 Hz per IEC 60947-2.
  • I-Line Connection: I-Line connection on the line side with lugs on the load side for streamlined panelboard installation.
  • 80% Rated, HACR Rated: Suitable for continuous 80% rated loads and HACR-rated for heating, air conditioning, and refrigeration circuits.
  • Wire Range: Accepts AWG 14...AWG 2/0 aluminium/copper conductors; tightening torque of 3.6-4.4 N.m for 2.5-6 mm² (AWG 14...AWG 10) and 5-6.2 N.m for 10-70 mm² (AWG 8...AWG 2/0).
  • Finish: Gray (RAL 7016) toggle-operated housing with front cover IP40 protection per IEC 60529.

Certifications & Compliance

  • UL Listed (UL 489)
  • CSA Certified (CSA C22.2 No 5)
  • NOM Certified
  • CCC Certified
  • EAC Certified
  • IEC 60947-2 and IEC 60947-5-1 Compliant
  • NEMA AB1, GB 14048.2, and NMX J-266 Standards
  • RoHS Compliant with Exemptions, Halogen Free, Green Premium Product

Technical Specifications

  • Range: PowerPact
  • Poles Description: 1P
  • Control Type: Toggle
  • Connection Pitch: 27 mm
  • 9 MM Pitches: 3
  • Circuit Breaker Application: HACR rated
  • Device Application: Distribution
  • Serviceability: No
  • Sustainable Packaging: Yes
  • With Recycled Cardboard: Yes
  • Packaging Made With Recycled Cardboard: Yes
  • Without Single Use Plastic: Yes
  • Packaging Without Single Use Plastic: Yes
  • Recycled Metal Content At Cr Level: 0 %
  • Quality Labels: CE
  • Mercury Free: Yes
  • China ROHS In Scope: No
  • ROHS Eur In Scope: Yes
  • ROHS Eur Status: Compliant with Exemptions
  • ROHS Exemption Information: Yes
  • Legacy WEEE Scope: In
  • Environmental Disclosure: ENVPEP2311047_V2
  • Tier: 1
  • Return Indicator: Y
  • Packaging: 1 ea

Typical Applications

  • Commercial and Industrial Electrical Distribution
  • I-Line Panelboard Systems
  • HACR-Rated HVAC and Refrigeration Circuits
  • 347VAC Distribution Panels and Load Centers
  • Renovation and New Construction Electrical Projects

Why Square D?

Square D PowerPacT B breakers combine compact thermal magnetic protection with I-Line connectivity, broad international certifications, and Green Premium environmental credentials. For contractors, panel builders, and OEMs, this 1-pole, 347VAC, 14kA breaker delivers dependable, code-compliant circuit protection built for demanding commercial and industrial distribution systems.

Manufacturer Resources

Product Specs

Series:
PowerPacT B
Department:
Electrical
Listing:
UL Listed
Product Type:
Circuit Breaker
Connection Type:
I-Line
Product Color:
Gray
Product Group:
Wiring Devices

Square D 749299 – Frequently Asked Questions

How fast can I get the Square D 749299 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 749299 come with a warranty?
Absolutely. The Square D 749299 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 749299?
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
Why buy the Square D 749299 from ZenSupply?
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