ABB XT4HU3150AFF000XXX 150A 3P Molded Case Circuit Breaker – XT4 Series – Thermal Magnetic – 65kA @ 480V

The ABB XT4HU3150AFF000XXX is a 150A, 3-pole molded case circuit breaker from the SACE Tmax XT4 series, designed for heavy-duty commercial and industrial power distribution systems. It provides reliable overcurrent protection using a fixed thermal-magnetic trip unit, delivering long-time and instantaneous (LI) protection for critical electrical circuits.

Built on the XT4 frame platform, this unit-mount MCCB is suitable for installation in ABB SACE Tmax XT panelboards, switchboards, and enclosures. It is engineered for high-performance fault interruption and system reliability in demanding electrical environments.

With a 65kA interrupting capacity at 480VAC, this breaker ensures strong short-circuit protection while supporting modern industrial distribution requirements.

Voltage and Rating

• Current Rating: 150 A
• Voltage Range: 240VAC – 600VAC
• AIC Rating: 65kA @ 480VAC

Key Specifications

• Device Type: Molded Case Circuit Breaker (MCCB)
• Series: XT4 (SACE Tmax XT4)
• Number of Poles: 3-Pole
• Phase: 3 Phase
• Trip Technology: Thermal Magnetic
• Trip Function Code: LI
• Trip Function: Long-Time, Instantaneous
• Mounting Style: Unit Mount
• Terminal Type: Bolt Connection
• Actuator Type: Toggle
• Construction: Built-in fixed installation

Technical Specifications

• Breaking Capacity: 65 kA
• IP Rating: IP20
• Mounting Orientation: Front side
• Wire/Application Type: Industrial power distribution systems
• Construction Features: Fixed built-in technique, robust industrial design
• Standards: UL 489, IEC 60947-2 (typical ABB XT series compliance)
• UNSPSC Code: 39120000

Product Data

• Manufacturer: ABB
• Model Number: XT4HU3150AFF000XXX
• Product Series: XT4 (SACE Tmax XT4)
• Unit of Measure: EA
• UPC Code: 8015644866099
• Application: Industrial and commercial electrical distribution systems