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FAP34045 - 45 Amp Circuit Breaker

  • 45 Amp
  • 18k @ 480VAC; 25k @ 240VAC
  • 3 Pole
Circuit BreakersSKU: FAP34045

Purchase Options: New In Box

FAP34045 - 45 Amp Circuit Breaker Description

FAP34045 - 45 Amp Circuit Breaker

Upgrade your electrical distribution with the FAP34045 Molded Case Circuit Breaker from a trusted manufacturer. Built for demanding commercial and industrial installations, this 3-pole, 45 amp device delivers dependable overload and short-circuit protection, giving you peace of mind that your systems are safeguarded. With its compact footprint and I-Line style mounting, it slips into panel layouts easily and supports high-performance systems. Whether protecting HVAC equipment, lighting systems or critical distribution panels, this breaker is designed to keep things running smoothly.

Key Features and Benefits

  • Rated at 45 amps: This breaker delivers reliable circuit protection where mid-sized loads demand it.
  • 3-pole configuration: For three-phase systems, ideal for commercial and industrial applications.
  • Thermal-magnetic trip unit: Handles both sustained overloads (thermal) and instantaneous faults (magnetic) — giving you broad coverage in one device.
  • Plug-in / I-Line compatible mounting: Simplifies installation and helps save panel space.
  • AIC ratings up to 18 kA @ 480 V: (and equivalent at lower voltages) support high short-circuit capacity systems, so this breaker won’t be the weak link in your distribution chain.
  • Compact dimensions: Make this unit easier to retrofit in tight panel configurations.

Technical Specifications

  • Series / Family: FAP (by Schneider Electric / Square D)
  • Rated Current: 45 A
  • Voltage Rating: 480 V (per typical listings)
  • Number of Poles: 3 Pole
  • Interrupting Capacity: 18 kA @ 480 V (or equivalent at other voltages)
  • Trip Type: Thermal-magnetic
  • Mounting Mode: I-Line plug-in format
  • Typical Dimensions:
    • Height: 6.4 in
    • Width: 4.5 in
    • Depth: 4.13 in

Material Compliance and Certifications

  • UL Listed and CSA Certified: For industrial use.
  • Environmental Standards: Designed in line with major manufacturers’ environmental and safety directives including RoHS and circular-economy initiatives.
  • Manufacturer Quality: Manufactured by a globally trusted brand in the power-distribution sector, ensuring high quality and long service life.

Where It Works Best

  • Ideal for commercial buildings, industrial facilities, panelboard upgrades and three-phase distribution systems, this FAP34045 breaker fits installations that require dependable protection without oversizing the breaker. Use it in lighting panels, HVAC services, motor circuits or general distribution boards where a 45 amp frame and 3-pole protection is required. Because of its compact I-Line design, it adapts well to retrofit scenarios or tight panel layouts. If your application demands a breaker that can take the load, respond quickly to faults and help maintain uptime, this device is a solid choice.

Use of Original Equipment Manufacturer (OEM) trademarks, names, and logos is for informational and identification purposes only. This does not imply any affiliation, sponsorship, endorsement, or approval by the original equipment manufacturer. All trademarks and registered trademarks are the property of their respective owners.

Specifications

  • Width:4.5
  • Height:6.0
  • Depth:3.13
  • Poles:3
  • Amperes:45
  • A.I.C. Rating & Volts:18k @ 480VAC; 25k @ 240VAC
  • Type:FAP
  • Approx Dimensions:4.50"W x 6.00"L x 3.13"D
  • Additional Notes:60Hz, 40å¡C, HACR Type, Thermal Magnetic, Molded Case Circuit Breaker. Includes Load-Side Lug Terminals.

Returns are easy

You may return unused items within 30 days of delivery for a full refund.

FREE shipping on breaker orders over $100 and all other items with orders over $500.

CIRCUIT BREAKER SUPERSTORE® offers one to five day delivery in the United States. The variation depends on the chosen shipping speed and the warehouse location for the product(s).

Same Day Shipping

We strive to ship out your items within one business day.

In rare circumstances, CIRCUIT BREAKER SUPERSTORE® may reserve up to 5 business days to complete shipment. Feel free to contact us if your order is time sensitive.

CIRCUIT BREAKER SUPERSTORE® provides a limited 1-year warranty on both new and reconditioned products. Rest assured, all products are authentic OEM (original equipment manufacturer).

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