1SDX255186R1 ABB EPX-XT4S-E2-1004 100A 4-Pole 50kA MCCB LSI

Why Choose the ABB EPX-XT4S-E2-1004 100A 4-Pole 50kA MCCB?

The ABB EPX-XT4S-E2-1004 is a high-performance 100 A four-pole moulded case circuit breaker (MCCB) designed to provide reliable overload and short-circuit protection in industrial and commercial low-voltage electrical distribution systems. As part of the ABB Protecta Power Devices range, incorporating the advanced ABB Tmax XT4S circuit breaker platform, it offers dependable electrical protection for distribution boards, switchgear assemblies and three-phase power distribution installations.

This circuit breaker features LSI electronic trip protection, providing long-time overload protection, short-time delayed short-circuit protection and instantaneous short-circuit protection. These three protection functions enable effective overcurrent fault management and support selective coordination between protective devices in electrical distribution networks. The electronic trip technology helps protect cables, switchgear and connected electrical equipment against potentially damaging fault conditions.

With a 100 A rated current, four-pole configuration and 50 kA specified short-circuit breaking capacity, the EPX-XT4S-E2-1004 is suitable for demanding low-voltage distribution applications requiring dependable circuit protection and neutral-pole switching. Its compact 140 mm four-pole XT4S format enables efficient integration into electrical distribution panels, industrial switchboards and suitable ABB Protecta Power assemblies.

Key Advantages

• Reliable 100 A moulded case circuit breaker for industrial and commercial electrical distribution.
• Four-pole (4P) configuration suitable for three-phase systems requiring neutral-pole switching.
• 50 kA short-circuit breaking capacity for low-voltage installations requiring high fault-current interruption capability.
• LSI electronic trip protection incorporating long-time, short-time and instantaneous protection functions.
• Short-time delayed protection supports selective coordination between upstream and downstream protective devices.
• Electronic protection settings allow engineers to adapt overcurrent protection to installation requirements.
• Compact ABB Tmax XT4S breaker platform for efficient switchboard integration.
• Suitable for integration into ABB Protecta Power distribution assemblies.
• Helps protect electrical infrastructure and connected equipment against damaging overload and short-circuit conditions.

Key Features

• ABB Protecta Power Devices range.
• ABB Tmax XT4S moulded case circuit breaker platform.
• 100 A rated current.
• Four-pole (4P) configuration.
• 50 kA specified short-circuit breaking capacity.
• LSI electronic trip protection.
• Long-time overload protection (L).
• Short-time delayed short-circuit protection (S).
• Instantaneous short-circuit protection (I).
• Electronic protection technology for dependable overcurrent fault detection.
• Protection characteristics suitable for coordinated low-voltage electrical distribution systems.
• Four-pole construction for applications requiring switching of three phases and neutral.
• Automatic circuit interruption under applicable overload and short-circuit fault conditions.
• Compact 140 mm four-pole breaker width based on the XT4 platform.
• Manual switching mechanism with automatic protective tripping.
• Suitable for low-voltage distribution boards and industrial switchgear assemblies.
• ABB manufacturer order code 1SDX255186R1.

Reliable Four-Pole Electronic Circuit Protection for Electrical Distribution Systems

Moulded case circuit breakers such as the ABB EPX-XT4S-E2-1004 play an essential role in protecting modern low-voltage electrical distribution systems. They monitor electrical current and automatically interrupt circuits when overload or short-circuit conditions exceed the configured protection thresholds. This helps safeguard electrical cables, switchgear and connected equipment while supporting dependable operation of industrial and commercial electrical installations.

The ABB Tmax XT4S platform combines compact construction with electronic circuit protection technology for demanding electrical distribution applications. Its LSI protection arrangement incorporates long-time overload protection, short-time delayed short-circuit protection and instantaneous short-circuit protection. These functions support flexible protection coordination and help engineers design distribution systems that respond effectively to electrical faults. The four-pole arrangement is particularly useful in three-phase installations where neutral-pole switching is required, subject to the electrical system design and applicable installation standards.

Typical Applications

• Industrial low-voltage electrical distribution boards.
• Commercial building power distribution systems.
• Three-phase and neutral electrical feeder circuits.
• ABB Protecta Power distribution assemblies.
• Main and sub-distribution switchboards.
• Industrial machinery supply circuit protection.
• Manufacturing facilities and production plants.
• Building services and electrical infrastructure.
• Electrical control panels and automation installations.
• OEM electrical equipment and panel-building applications.