ABB XT4HU3150BFF000XXX 150A 3P Molded Case Circuit Breaker – XT4 Series – Thermal Magnetic – 65kA @ 480V

The ABB XT4HU3150BFF000XXX is a 150A, 3-pole molded case circuit breaker from the SACE Tmax XT4 series, designed for high-performance industrial and commercial power distribution systems. It provides reliable protection through a fixed thermal-magnetic trip unit, delivering long-time and instantaneous (LI) tripping functionality for fault and overload conditions.

Built on the XT4 frame platform, this unit-mount MCCB is engineered for integration into ABB SACE Tmax XT panelboards, switchboards, and enclosures. It offers strong fault interruption capability and dependable operation in demanding electrical environments.

With a 65kA interrupting rating at 480VAC and a wide voltage range up to 600V, this breaker ensures robust performance and system protection in modern electrical installations.

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
• Construction Type: Fixed built-in technique
• Standards: UL 489, IEC 60947-2 (typical XT4 compliance)
• UNSPSC Code: 39120000

Product Data

• Manufacturer: ABB
• Model Number: XT4HU3150BFF000XXX
• Product Series: XT4 (SACE Tmax XT4)
• Unit of Measure: EA
• UPC Code: 8015644792121
• Application: Industrial and commercial electrical distribution systems