1SDX255187R1 ABB EPX-XT4S-E2-1604 160A 4-Pole 50kA MCCB LSI

Why Choose the ABB EPX-XT4S-E2-1604 160A 4-Pole 50kA MCCB?

The ABB EPX-XT4S-E2-1604 is a high-performance 160 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 ABB Tmax XT4S160 circuit breaker platform, it delivers dependable electrical protection for distribution boards, switchgear assemblies and three-phase power distribution installations.

This circuit breaker features an ABB Ekip LSI electronic trip unit, providing long-time overload protection, short-time delayed short-circuit protection and instantaneous short-circuit protection. These three protection functions offer flexibility when coordinating protective devices within electrical distribution networks. The electronic trip technology supports accurate overcurrent detection and dependable fault interruption, helping safeguard electrical cables, switchgear and connected equipment.

With a 160 A rated current, four-pole configuration and 50 kA short-circuit breaking capacity at 415 V AC, the EPX-XT4S-E2-1604 is suitable for demanding low-voltage distribution applications requiring reliable 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 160 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 at 415 V AC for demanding low-voltage electrical installations.
• ABB Ekip LSI electronic protection incorporating long-time, short-time and instantaneous trip functions.
• Adjustable electronic protection characteristics support effective circuit protection coordination.
• Short-time delayed protection can help improve discrimination between upstream and downstream protective devices.
• Compact ABB Tmax XT4S160 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 XT4S160 moulded case circuit breaker platform.
• 160 A rated current.
• Four-pole (4P) configuration.
• 50 kA rated ultimate short-circuit breaking capacity at 415 V AC.
• ABB Ekip LSI electronic trip unit.
• Long-time overload protection (L).
• Short-time delayed short-circuit protection (S).
• Instantaneous short-circuit protection (I).
• Electronic protection settings for application-specific circuit protection requirements.
• 690 V AC maximum rated operational voltage for the XT4S160 platform.
• 50/60 Hz rated frequency.
• Automatic circuit interruption under applicable overload and short-circuit fault conditions.
• Compact 140 mm four-pole breaker width.
• Manual switching mechanism with automatic protective tripping.
• Suitable for low-voltage distribution boards and industrial switchgear assemblies.
• ABB manufacturer order code 1SDX255187R1.

Reliable Four-Pole Electronic Circuit Protection for Electrical Distribution Systems

Moulded case circuit breakers such as the ABB EPX-XT4S-E2-1604 are essential components in modern low-voltage electrical distribution systems. They protect electrical circuits against excessive current caused by overloads and short circuits, automatically interrupting the electrical supply when fault conditions exceed the configured protection thresholds. This helps safeguard electrical cables, switchgear and connected equipment while supporting reliable electrical system operation.

The ABB Tmax XT4S160 platform combines compact construction with advanced electronic circuit protection technology for demanding industrial and commercial installations. Its Ekip LSI trip unit incorporates long-time overload protection, short-time delayed short-circuit protection and instantaneous short-circuit protection. These functions provide flexibility when designing coordinated electrical protection systems. The four-pole arrangement supports three-phase distribution systems where neutral-pole switching is required, subject to the electrical installation design and applicable 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.