Tmax XT4H Molded Case Circuit Breaker

The ABB XT4HU3225AFJ000XXX Tmax XT4H molded case circuit breaker is engineered for reliable protection of low voltage electrical distribution systems in commercial and industrial applications. Designed for high interrupting capacity and dependable operation, the XT4 series combines advanced protection technology with a compact footprint.

Part of ABB’s Tmax XT platform, this 3-pole thermal magnetic circuit breaker provides robust overload and short-circuit protection while supporting modern panelboard and switchgear installations.

Key Features

• ABB Tmax XT4H molded case circuit breaker
• 3-pole configuration
• 225A frame size
• Thermal magnetic trip unit
• High interrupting capacity performance
• Compact design for panel and switchboard integration
• Suitable for commercial and industrial power distribution systems
• Designed for feeder and branch circuit protection
• UL listed construction
• Compatible with ABB Tmax XT accessories and auxiliaries

Construction Details

The Tmax XT4 series utilizes a durable molded case housing engineered for long service life and consistent protection performance in demanding operating environments.

Thermal magnetic trip technology provides both inverse time overload protection and instantaneous short-circuit protection for enhanced system reliability.

The compact frame design simplifies installation while maintaining high performance ratings for modern low voltage distribution systems.

Important Notes

Verify voltage ratings, interrupting capacity, and trip characteristics prior to installation to ensure compatibility with system requirements.

Installation and maintenance should be performed by qualified electrical personnel in accordance with local electrical codes and manufacturer guidelines.

Consult ABB technical documentation for accessory compatibility, mounting configurations, and coordination data.

Product Documents

Spec Sheet