ABB XT5 300A 3P Molded Case Circuit Breaker – XT5 Series – Thermal Magnetic – 100kA @ 480V

The ABB XT5LU330ABFN000XXX is a 300A, 3-pole molded case circuit breaker designed for commercial and industrial power distribution systems. As part of the SACE Tmax XT5 frame series, it delivers dependable protection using thermal-magnetic trip technology to guard against overloads and short circuits.

This breaker is built for integration into low-voltage distribution systems and supports reliable operation in demanding environments. With a high interrupting capacity of 100kA at 480VAC and 65kA at 600VAC, it ensures effective fault clearing and system protection. The compact XT5 frame combines performance with space efficiency, making it suitable for panelboards, switchboards, and enclosures.

Voltage and Rating

• Current Rating: 300 A
• Voltage Rating: 600 V
• AIC Rating:
  • 100kA @ 480VAC
  • 65kA @ 600VAC

Key Specifications

• Device Type: Molded Case Circuit Breaker (MCCB)
• Series: XT5 (SACE Tmax XT5)
• Number of Poles: 3-Pole
• Phase: 3 Phase
• Trip Technology: Thermal Magnetic
• Mounting Style: Unit Mount

Technical Specifications

• Dimensions (H x W x D): 8.07" x 5.51" x 4.07"
• Weight: 7.17 lbs

Features

• High Interrupting Capacity
• Reliable Thermal-Magnetic Protection
• Compact XT5 Frame Design
• Suitable for Commercial & Industrial Applications

Returns are easy

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

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My Circuit Breakers 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).

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My Circuit Breakers provides a comprehensive 1-year warranty on both new and reconditioned products. Rest assured, all products are authentic OEM (original equipment manufacturer). Extended warranties are available upon request.