ABB XT4HU3225BFF000XXX 225A 3P Molded Case Circuit Breaker – XT4 Series – Adjustable Thermal Magnetic – 65kA @ 480V

The ABB XT4HU3225BFF000XXX is a 225A, 3-pole molded case circuit breaker from the SACE Tmax XT4 series, engineered for demanding commercial and industrial power distribution systems. It features an adjustable thermal-magnetic (TMA) trip unit, allowing fine-tuning of both overload (thermal) and short-circuit (magnetic) protection for enhanced system flexibility and coordination.

Designed for panel-mounted installations, this MCCB integrates seamlessly into ABB SACE Tmax XT panelboards, switchboards, and enclosures. Its robust construction and high interrupting capacity make it ideal for protecting critical circuits in high-load environments.

With support for optional accessories such as auxiliary switches, shunt trips, and undervoltage releases, this breaker offers adaptability for advanced control and monitoring applications.

Voltage and Rating

• Current Rating: 225 A
• Maximum Voltage: 600 VAC
• AIC Rating: 65kA @ 480VAC (typical for XT4 series)

Key Specifications

• Device Type: Molded Case Circuit Breaker (MCCB)
• Series: XT4 (SACE Tmax XT4)
• Number of Poles: 3-Pole
• Trip Unit: Adjustable Thermal / Adjustable Magnetic (TMA)
• Phase: 3 Phase
• Mounting Style: Panel Mount
• Terminal Type: Bolt-On
• Neutral Pole: No
• 100% Rated: No

Technical Specifications

• Protection Type: Thermal Magnetic (Adjustable)
• Standards: UL 489
• Approvals: CSA, IEC, UL
• Construction: Industrial-grade molded case design
• Application: Commercial and industrial distribution systems

Product Data

• Manufacturer: ABB
• Model Number: XT4HU3225BFF000XXX
• Alternate Part Number: 1SDA075238R1
• Product Series: Tmax XT (XT4 Frame)
• Unit of Measure: EA
• Gross Weight: 5.51 lbs
• Net Weight: 5.51 lbs

Available Options

• Auxiliary Switch (Optional)
• Shunt Trip (Optional)
• Undervoltage Release (Optional)

Returns are easy

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

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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.